djvu | e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050

Analysis

max time kernel
134s
max time network
123s
platform
windows10_x64
resource
win10-en-20211014
submitted
24-10-2021 05:10

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General

Target

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
Size

854KB
MD5

87f6b522a1e0e067d1ea85e264f117ff
SHA1

0760a5e077c143594ec6396ea53293605e6031c6
SHA256

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050
SHA512

cf9057ca422a45585395c68cb72b252bb03b05bde506e16bd6c5e5bc31aec5aacdc99c096fc21d47e86daf0ac4406be0df04f85266d49ec4fa0c30e713c0ef54

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/2648-116-0x0000000000CC0000-0x0000000000DDB000-memory.dmp	family_djvu
behavioral1/memory/416-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/416-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/416-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2448-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2448-126-0x0000000000400000-0x0000000000537000-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/3556-145-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/3556-146-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/3556-149-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/1404-148-0x0000000004BB0000-0x0000000004C86000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

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

pid process

1404 build2.exe
1500 build3.exe
3196 build3.exe
3556 build2.exe
2436 mstsca.exe
4028 mstsca.exe
2372 mstsca.exe
2172 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

3556 build2.exe
3556 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2808 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
1404	build2.exe
1500	build3.exe
3196	build3.exe
3556	build2.exe
2436	mstsca.exe
4028	mstsca.exe
2372	mstsca.exe
2172	mstsca.exe

pid	process
3556	build2.exe
3556	build2.exe

pid	process
2808	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.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\\4f425270-73bc-4dc4-8a97-a1928ff1701e\\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe\" --AutoStart"	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.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
16 api.2ip.ua

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

Suspicious use of SetThreadContext 6 IoCs

Processes:

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exee4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exebuild3.exebuild2.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2648 set thread context of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 set thread context of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1500 set thread context of 3196	1500	build3.exe	build3.exe
PID 1404 set thread context of 3556	1404	build2.exe	build2.exe
PID 2436 set thread context of 4028	2436	mstsca.exe	mstsca.exe
PID 2372 set thread context of 2172	2372	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

700 schtasks.exe
2968 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1956 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1488 taskkill.exe

pid	process
700	schtasks.exe
2968	schtasks.exe

pid	process
1956	timeout.exe

pid	process
1488	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exee4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exebuild2.exe

pid	process
416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
3556	build2.exe
3556	build2.exe
3556	build2.exe
3556	build2.exe
3556	build2.exe
3556	build2.exe
3556	build2.exe
3556	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1488 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1488	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exee4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exee4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exee4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exebuild3.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2648 wrote to memory of 416	2648	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 416 wrote to memory of 2808	416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	icacls.exe
PID 416 wrote to memory of 2808	416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	icacls.exe
PID 416 wrote to memory of 2808	416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	icacls.exe
PID 416 wrote to memory of 1144	416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 416 wrote to memory of 1144	416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 416 wrote to memory of 1144	416	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 1144 wrote to memory of 2448	1144	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
PID 2448 wrote to memory of 1404	2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	build2.exe
PID 2448 wrote to memory of 1404	2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	build2.exe
PID 2448 wrote to memory of 1404	2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	build2.exe
PID 2448 wrote to memory of 1500	2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	build3.exe
PID 2448 wrote to memory of 1500	2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	build3.exe
PID 2448 wrote to memory of 1500	2448	e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 1500 wrote to memory of 3196	1500	build3.exe	build3.exe
PID 3196 wrote to memory of 700	3196	build3.exe	schtasks.exe
PID 3196 wrote to memory of 700	3196	build3.exe	schtasks.exe
PID 3196 wrote to memory of 700	3196	build3.exe	schtasks.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 1404 wrote to memory of 3556	1404	build2.exe	build2.exe
PID 3556 wrote to memory of 1316	3556	build2.exe	cmd.exe
PID 3556 wrote to memory of 1316	3556	build2.exe	cmd.exe
PID 3556 wrote to memory of 1316	3556	build2.exe	cmd.exe
PID 1316 wrote to memory of 1488	1316	cmd.exe	taskkill.exe
PID 1316 wrote to memory of 1488	1316	cmd.exe	taskkill.exe
PID 1316 wrote to memory of 1488	1316	cmd.exe	taskkill.exe
PID 1316 wrote to memory of 1956	1316	cmd.exe	timeout.exe
PID 1316 wrote to memory of 1956	1316	cmd.exe	timeout.exe
PID 1316 wrote to memory of 1956	1316	cmd.exe	timeout.exe
PID 2436 wrote to memory of 4028	2436	mstsca.exe	mstsca.exe
PID 2436 wrote to memory of 4028	2436	mstsca.exe	mstsca.exe
PID 2436 wrote to memory of 4028	2436	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
"C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2648

C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
"C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:416

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\4f425270-73bc-4dc4-8a97-a1928ff1701e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:2808

C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
"C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe
"C:\Users\Admin\AppData\Local\Temp\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe
"C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe
"C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3556

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\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:1956

C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe
"C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe
"C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3196

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:700

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:2436

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4028

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:2968

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:2372

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2172

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

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
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
40b9f68a7a5d779c594c166990e2831c

SHA1
204ecd64f332115bf698140dc556218e4d8780ae

SHA256
ab629fdd480bd3490d9269132900effb41cf721046c18ea13e1831e31466d599

SHA512
1ca2995ab03e2471da5aa37332ed824cab91f7c8ab0d27b2862df252e1387adfdbcab6838fba450384925e2bd8bf61004e340ca30b48677f0956b341a5c1db78

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

MD5
76f3dfc5e500ecc292d38d051f6d04eb

SHA1
e4607be384e53506de73c2fc0db0a83674a18998

SHA256
8f20b0c5d9cc2f374821900ef75f21ada6ba2df756e5fb9b026a9d0e1debe9c0

SHA512
86465f04f7f6ee193da8dcad77ace0b339f39fd748fd9b0accb70271d2ed8fe312d5ba3d2f5ded4124cd7bfae0d801cab8058fdf772c835b969548cc345ea48d

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C:\Users\Admin\AppData\Local\4f425270-73bc-4dc4-8a97-a1928ff1701e\e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050.exe

MD5
87f6b522a1e0e067d1ea85e264f117ff

SHA1
0760a5e077c143594ec6396ea53293605e6031c6

SHA256
e4b41e8597f271554732ff0055b473409180745a0129e866fa298e9fa458d050

SHA512
cf9057ca422a45585395c68cb72b252bb03b05bde506e16bd6c5e5bc31aec5aacdc99c096fc21d47e86daf0ac4406be0df04f85266d49ec4fa0c30e713c0ef54

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C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\e7fcd249-9657-4663-8d94-8653e9e3dd5e\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
\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/416-118-0x0000000000424141-mapping.dmp

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memory/416-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/416-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/700-142-0x0000000000000000-mapping.dmp

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memory/1144-122-0x0000000000000000-mapping.dmp

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memory/1316-152-0x0000000000000000-mapping.dmp

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memory/1404-131-0x0000000000000000-mapping.dmp

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memory/1404-134-0x0000000003229000-0x00000000032A5000-memory.dmp

Filesize
496KB

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memory/1404-148-0x0000000004BB0000-0x0000000004C86000-memory.dmp

Filesize
856KB

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memory/1488-153-0x0000000000000000-mapping.dmp

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memory/1500-138-0x00000000034A9000-0x00000000034B9000-memory.dmp

Filesize
64KB

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memory/1500-143-0x00000000032A0000-0x00000000032A4000-memory.dmp

Filesize
16KB

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memory/1500-135-0x0000000000000000-mapping.dmp

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memory/1956-154-0x0000000000000000-mapping.dmp

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memory/2172-172-0x0000000000401AFA-mapping.dmp

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memory/2436-168-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/2436-163-0x00000000034A9000-0x00000000034B9000-memory.dmp

Filesize
64KB

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memory/2448-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2448-125-0x0000000000424141-mapping.dmp

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memory/2648-115-0x0000000000AA7000-0x0000000000B38000-memory.dmp

Filesize
580KB

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memory/2648-116-0x0000000000CC0000-0x0000000000DDB000-memory.dmp

Filesize
1.1MB

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memory/2808-120-0x0000000000000000-mapping.dmp

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memory/2968-167-0x0000000000000000-mapping.dmp

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memory/3196-140-0x0000000000401AFA-mapping.dmp

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memory/3196-139-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/3196-144-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/3556-149-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/3556-145-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/3556-146-0x00000000004A18CD-mapping.dmp

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memory/4028-165-0x0000000000401AFA-mapping.dmp

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