djvu | 2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

Analysis

max time kernel
131s
max time network
123s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 17:30

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General

Target

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
Size

782KB
MD5

5fa7d5851c1742e75d21c50f5ba3fec0
SHA1

87adb9418060b88a1d996f773f7625a4fceffe80
SHA256

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63
SHA512

e052e13805a8a582ddc16205e6bcaeedfa289f04b08f6fa804a26139fe1a4486638c4e588b3357f1bb2e9dccf3bbd2118f330ee39d2aa7acc7dd1ee0a25c3604

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/fhsgtsspen6

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-116-0x0000000004F10000-0x000000000502B000-memory.dmp	family_djvu
behavioral1/memory/2752-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2752-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2752-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2948-124-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2948-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 7 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/316-135-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/316-134-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/3428-137-0x0000000004C10000-0x0000000004CE6000-memory.dmp	family_vidar
behavioral1/memory/316-138-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/356-147-0x0000000003250000-0x00000000032FE000-memory.dmp	family_vidar
behavioral1/memory/3228-167-0x0000000003250000-0x000000000339A000-memory.dmp	family_vidar
behavioral1/memory/1900-173-0x0000000003250000-0x000000000339A000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

3428 build2.exe
316 build2.exe
356 build3.exe
3980 build3.exe
3228 mstsca.exe
752 mstsca.exe
1900 mstsca.exe
2136 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

316 build2.exe
316 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

680 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
3428	build2.exe
316	build2.exe
356	build3.exe
3980	build3.exe
3228	mstsca.exe
752	mstsca.exe
1900	mstsca.exe
2136	mstsca.exe

pid	process
316	build2.exe
316	build2.exe

pid	process
680	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c038d28a-9a01-4ce2-87fc-78aa66f3bdad\\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe\" --AutoStart"	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

31 api.2ip.ua
11 api.2ip.ua
12 api.2ip.ua

flow	ioc
31	api.2ip.ua
11	api.2ip.ua
12	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2728 set thread context of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 set thread context of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3428 set thread context of 316	3428	build2.exe	build2.exe
PID 356 set thread context of 3980	356	build3.exe	build3.exe
PID 3228 set thread context of 752	3228	mstsca.exe	mstsca.exe
PID 1900 set thread context of 2136	1900	mstsca.exe	mstsca.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1372 schtasks.exe
4020 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3216 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2144 taskkill.exe

pid	process
1372	schtasks.exe
4020	schtasks.exe

pid	process
3216	timeout.exe

pid	process
2144	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exebuild2.exe

pid	process
2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
316	build2.exe
316	build2.exe
316	build2.exe
316	build2.exe
316	build2.exe
316	build2.exe
316	build2.exe
316	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2144 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2144	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2728 wrote to memory of 2752	2728	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2752 wrote to memory of 680	2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	icacls.exe
PID 2752 wrote to memory of 680	2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	icacls.exe
PID 2752 wrote to memory of 680	2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	icacls.exe
PID 2752 wrote to memory of 3036	2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2752 wrote to memory of 3036	2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2752 wrote to memory of 3036	2752	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 3036 wrote to memory of 2948	3036	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
PID 2948 wrote to memory of 3428	2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	build2.exe
PID 2948 wrote to memory of 3428	2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	build2.exe
PID 2948 wrote to memory of 3428	2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 3428 wrote to memory of 316	3428	build2.exe	build2.exe
PID 2948 wrote to memory of 356	2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	build3.exe
PID 2948 wrote to memory of 356	2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	build3.exe
PID 2948 wrote to memory of 356	2948	2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 356 wrote to memory of 3980	356	build3.exe	build3.exe
PID 3980 wrote to memory of 1372	3980	build3.exe	schtasks.exe
PID 3980 wrote to memory of 1372	3980	build3.exe	schtasks.exe
PID 3980 wrote to memory of 1372	3980	build3.exe	schtasks.exe
PID 316 wrote to memory of 3144	316	build2.exe	cmd.exe
PID 316 wrote to memory of 3144	316	build2.exe	cmd.exe
PID 316 wrote to memory of 3144	316	build2.exe	cmd.exe
PID 3144 wrote to memory of 2144	3144	cmd.exe	taskkill.exe
PID 3144 wrote to memory of 2144	3144	cmd.exe	taskkill.exe
PID 3144 wrote to memory of 2144	3144	cmd.exe	taskkill.exe
PID 3144 wrote to memory of 3216	3144	cmd.exe	timeout.exe
PID 3144 wrote to memory of 3216	3144	cmd.exe	timeout.exe
PID 3144 wrote to memory of 3216	3144	cmd.exe	timeout.exe
PID 3228 wrote to memory of 752	3228	mstsca.exe	mstsca.exe
PID 3228 wrote to memory of 752	3228	mstsca.exe	mstsca.exe
PID 3228 wrote to memory of 752	3228	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
"C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2728

C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
"C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\c038d28a-9a01-4ce2-87fc-78aa66f3bdad" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:680

C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
"C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3036

C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
"C:\Users\Admin\AppData\Local\Temp\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2948

C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe
"C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3428

C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe
"C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:3144

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2144

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:3216

C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe
"C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:356

C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe
"C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
7⤵
- Creates scheduled task(s)
PID:1372

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3228

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:752

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
3⤵
- Creates scheduled task(s)
PID:4020

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1900

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

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C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
50d9d5311b74576fbbb5c9f204fdc16b

SHA1
7dd97b713e33f287440441aa3bb7966a2cb68321

SHA256
d76a71e8dfd6961d4912a23b2fd207f2a93c67523dfcda252358eafa5821b2ad

SHA512
67d02ce79bb8fd641783ba12ab5587900a03416627939084ce87f22b42ca7d50765947e2238b3c6a70a74bce3c9233b486aaa10feb57e714646e4d02c0c926c0

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
8f19b97ffda28eb06efc2181fd126b9c

SHA1
142443021d6ffaf32d3d60635d0edf540a039f2e

SHA256
49607d1b931a79642c5268292b4f16f2db7ec77b53f8abddbc0cce36ed88e3f7

SHA512
6577704c531cc07d1ae8d61dfe6d8735d29d1386038fa9e3f5580c80c30dc04570ec0160f51903d05b180c4af68f0eb8e23e2106c3bb367afd32d033aae031e6

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
e6369ebc6bab69b98e04835dfd705ad5

SHA1
426123ce2d7fc2a2ae6fa25c63948265cbe0e365

SHA256
1d2c425953d1b88d8b7a3cce341caefbb2dd98329dc46443dd75ea3259c2776b

SHA512
6b787186e0213e6a9b3f414ee8b6ba7174a232ac2c15dec4e726ffbd4163004e7e4f700b9f9902968a64eb725dc864ecf7a40ed36c7b796acf2d4c622e669048

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
e823c5bcb674c45049bac68dfa3c2207

SHA1
7775fa954ea5e152c93e24f642644053d7eca4b2

SHA256
c28bf695ae22b1fda09ba065db74037b7c24c09e3cd7ac8b6297f87fb8af3f6f

SHA512
9254a44ff8e7530744eddd6dc576333062e4c798854d2d6859decf430de6cd1349d2968bec2fa58a9180606e3e05a1331851ad547421272d4818cc337e57507c

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C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\88049c5f-2645-441a-a8f4-4dae4b43852a\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\c038d28a-9a01-4ce2-87fc-78aa66f3bdad\2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63.exe
MD5
5fa7d5851c1742e75d21c50f5ba3fec0

SHA1
87adb9418060b88a1d996f773f7625a4fceffe80

SHA256
2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

SHA512
e052e13805a8a582ddc16205e6bcaeedfa289f04b08f6fa804a26139fe1a4486638c4e588b3357f1bb2e9dccf3bbd2118f330ee39d2aa7acc7dd1ee0a25c3604

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/316-135-0x00000000004A18CD-mapping.dmp

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memory/316-138-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/316-134-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/356-142-0x00000000034A9000-0x00000000034B9000-memory.dmp

Filesize
64KB

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memory/356-139-0x0000000000000000-mapping.dmp

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memory/356-147-0x0000000003250000-0x00000000032FE000-memory.dmp

Filesize
696KB

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memory/680-120-0x0000000000000000-mapping.dmp

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memory/752-164-0x0000000000401AFA-mapping.dmp

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memory/1372-146-0x0000000000000000-mapping.dmp

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memory/1900-173-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/1900-169-0x00000000035BE000-0x00000000035CE000-memory.dmp

Filesize
64KB

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memory/2136-171-0x0000000000401AFA-mapping.dmp

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memory/2144-152-0x0000000000000000-mapping.dmp

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memory/2728-116-0x0000000004F10000-0x000000000502B000-memory.dmp

Filesize
1.1MB

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memory/2728-115-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

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memory/2752-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2752-118-0x0000000000424141-mapping.dmp

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memory/2752-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2948-125-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2948-124-0x0000000000424141-mapping.dmp

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memory/3036-122-0x0000000000000000-mapping.dmp

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memory/3144-151-0x0000000000000000-mapping.dmp

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memory/3216-153-0x0000000000000000-mapping.dmp

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memory/3228-167-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/3228-162-0x00000000035A8000-0x00000000035B9000-memory.dmp

Filesize
68KB

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memory/3428-130-0x0000000000000000-mapping.dmp

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memory/3428-133-0x0000000003189000-0x0000000003205000-memory.dmp

Filesize
496KB

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memory/3428-137-0x0000000004C10000-0x0000000004CE6000-memory.dmp

Filesize
856KB

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memory/3980-148-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/3980-144-0x0000000000401AFA-mapping.dmp

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memory/3980-143-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/4020-166-0x0000000000000000-mapping.dmp

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