djvu | 1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3

Analysis

max time kernel
125s
max time network
128s
platform
windows10_x64
resource
win10-en-20210920
submitted
24-10-2021 12:50

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General

Target

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
Size

855KB
MD5

b501ff0c92816903fe651d793d1d96b3
SHA1

b61153e75a4595eb49894717cc10053455d547fc
SHA256

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3
SHA512

49e3c88970cd44e74a2b357b9d67a07e25ea9e2649400efad446d372695c52d25811be70a8df100fb5c37c3ae7b486fd9673eb1722b86d96b9d40a816d0f6070

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/lancer

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4076-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4076-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2864-118-0x00000000013B0000-0x00000000014CB000-memory.dmp	family_djvu
behavioral1/memory/4076-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/628-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/628-130-0x0000000000400000-0x0000000000537000-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 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2644-138-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/2644-139-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/4032-141-0x0000000004CB0000-0x0000000004D86000-memory.dmp	family_vidar
behavioral1/memory/2644-142-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

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

pid process

4032 build2.exe
2816 build3.exe
2644 build2.exe
592 build3.exe
2376 mstsca.exe
4068 mstsca.exe
3144 mstsca.exe
3596 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2644 build2.exe
2644 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

484 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
4032	build2.exe
2816	build3.exe
2644	build2.exe
592	build3.exe
2376	mstsca.exe
4068	mstsca.exe
3144	mstsca.exe
3596	mstsca.exe

pid	process
2644	build2.exe
2644	build2.exe

pid	process
484	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\979370b3-1cde-4fe9-a1ee-3660e23ab252\\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe\" --AutoStart"	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.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

8 api.2ip.ua
9 api.2ip.ua
22 api.2ip.ua

flow	ioc
8	api.2ip.ua
9	api.2ip.ua
22	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2864 set thread context of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 set thread context of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 4032 set thread context of 2644	4032	build2.exe	build2.exe
PID 2816 set thread context of 592	2816	build3.exe	build3.exe
PID 2376 set thread context of 4068	2376	mstsca.exe	mstsca.exe
PID 3144 set thread context of 3596	3144	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

360 schtasks.exe
1364 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2464 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2064 taskkill.exe

pid	process
360	schtasks.exe
1364	schtasks.exe

pid	process
2464	timeout.exe

pid	process
2064	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exebuild2.exe

pid	process
4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
2644	build2.exe
2644	build2.exe
2644	build2.exe
2644	build2.exe
2644	build2.exe
2644	build2.exe
2644	build2.exe
2644	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2064 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2064	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 2864 wrote to memory of 4076	2864	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 4076 wrote to memory of 484	4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	icacls.exe
PID 4076 wrote to memory of 484	4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	icacls.exe
PID 4076 wrote to memory of 484	4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	icacls.exe
PID 4076 wrote to memory of 728	4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 4076 wrote to memory of 728	4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 4076 wrote to memory of 728	4076	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 728 wrote to memory of 628	728	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
PID 628 wrote to memory of 4032	628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	build2.exe
PID 628 wrote to memory of 4032	628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	build2.exe
PID 628 wrote to memory of 4032	628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	build2.exe
PID 628 wrote to memory of 2816	628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	build3.exe
PID 628 wrote to memory of 2816	628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	build3.exe
PID 628 wrote to memory of 2816	628	1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe	build3.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 4032 wrote to memory of 2644	4032	build2.exe	build2.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 2816 wrote to memory of 592	2816	build3.exe	build3.exe
PID 592 wrote to memory of 360	592	build3.exe	schtasks.exe
PID 592 wrote to memory of 360	592	build3.exe	schtasks.exe
PID 592 wrote to memory of 360	592	build3.exe	schtasks.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 2376 wrote to memory of 4068	2376	mstsca.exe	mstsca.exe
PID 4068 wrote to memory of 1364	4068	mstsca.exe	schtasks.exe
PID 4068 wrote to memory of 1364	4068	mstsca.exe	schtasks.exe
PID 4068 wrote to memory of 1364	4068	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
"C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2864

C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
"C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\979370b3-1cde-4fe9-a1ee-3660e23ab252" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:484

C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
"C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:728

C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe
"C:\Users\Admin\AppData\Local\Temp\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:628

C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe
"C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4032

C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe
"C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2644

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\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
PID:1640

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2064

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:2464

C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe
"C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816

C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe
"C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:592

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:360

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:2376

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4068

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:1364

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:3144

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3596

Network

MITRE ATT&CK Enterprise 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 and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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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
eb580dc014e8a0ba57b05717d9b2c7a1

SHA1
1b9f2cb35263b103d05af84a8b41f74186afed72

SHA256
59c9f91919d8cf9c0c8dd5089eb737460ee002f17bdc2cf90c4872263c426fd9

SHA512
ad031d69240c9e33faad5a7f07e5b524c06fb54f2360095f23a7accf28b17958fb52e40fb01f45498f8c19d00289f1f579b6cb995ec1ad6c468fd27aa33f16df

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
3168035090977b01e2b15a045297d6cd

SHA1
baec8a47d00d0904648b385aca5778d947456dc7

SHA256
e57b9ecf72046536715f2b8dfad9f0e5560d325149f0ac80598d2d7a5703744a

SHA512
377ac77af3dd55e07683a0ed76df64b517ead18a2ce278f5ca2db41fd5559e44a533ffb325e14ac34186ee03efc483c8841207da042cae3e9ea9ec3eacc63942

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

MD5
88cb2f4f2232ade2f7d2cc6690536cda

SHA1
710959d312adec7d6940bbed0e00642ae05ddd54

SHA256
b59afc45b0a93713d735bbe897bb123f713ef9eba5bfb134809755876de59c39

SHA512
a2e11cc8ba0ac275adff5cd0e0cd15249e0a95723b3fec895f371c3c7d0bf935831917e336b84d22c27de16f19b1c7b9fbbe0dc0e3ddbf5fcf672215d8f3215c

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

MD5
d5aabe44b6ac2d28ad47fb0fd3c517f2

SHA1
98c18da96abaacfe7eb002afd453ea00b6c0c8ee

SHA256
50bdc6103421757cbd60841eb2f583311f10a427f4c8400899e75677b0c31f8d

SHA512
da47bd1a9d9adfeb0a3b864496314a0956851d528a841940e8d990558a6b5510f555eb047ac303ae454ca9fc202cc6a6b7d74a6e91ecf8bf05e64f307f700e2e

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C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\81d661f9-5d0d-46c6-acd2-261eb8339209\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\979370b3-1cde-4fe9-a1ee-3660e23ab252\1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3.exe

MD5
b501ff0c92816903fe651d793d1d96b3

SHA1
b61153e75a4595eb49894717cc10053455d547fc

SHA256
1c95d44156768440853289b401f3eae6ab60ee0068bf6daa82577afb7e4942f3

SHA512
49e3c88970cd44e74a2b357b9d67a07e25ea9e2649400efad446d372695c52d25811be70a8df100fb5c37c3ae7b486fd9673eb1722b86d96b9d40a816d0f6070

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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/360-147-0x0000000000000000-mapping.dmp

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memory/484-120-0x0000000000000000-mapping.dmp

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memory/592-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/592-144-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/592-145-0x0000000000401AFA-mapping.dmp

Download
memory/628-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/628-125-0x0000000000424141-mapping.dmp

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memory/728-122-0x0000000000000000-mapping.dmp

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memory/728-123-0x0000000001329000-0x00000000013BB000-memory.dmp

Filesize
584KB

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memory/1364-158-0x0000000000000000-mapping.dmp

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memory/1640-160-0x0000000000000000-mapping.dmp

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memory/2064-161-0x0000000000000000-mapping.dmp

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memory/2376-154-0x00000000034B9000-0x00000000034C9000-memory.dmp

Filesize
64KB

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memory/2376-159-0x0000000003340000-0x000000000348A000-memory.dmp

Filesize
1.3MB

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memory/2464-162-0x0000000000000000-mapping.dmp

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memory/2644-142-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/2644-138-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/2644-139-0x00000000004A18CD-mapping.dmp

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memory/2816-135-0x0000000000000000-mapping.dmp

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memory/2816-148-0x0000000004E20000-0x0000000004E24000-memory.dmp

Filesize
16KB

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memory/2864-118-0x00000000013B0000-0x00000000014CB000-memory.dmp

Filesize
1.1MB

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memory/3144-174-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/3144-170-0x000000000350E000-0x000000000351E000-memory.dmp

Filesize
64KB

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memory/3596-172-0x0000000000401AFA-mapping.dmp

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memory/4032-131-0x0000000000000000-mapping.dmp

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memory/4032-141-0x0000000004CB0000-0x0000000004D86000-memory.dmp

Filesize
856KB

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memory/4068-156-0x0000000000401AFA-mapping.dmp

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memory/4076-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4076-117-0x0000000000424141-mapping.dmp

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memory/4076-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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