shurk | e45e34b67a7c2a3073721b7f274087d9099289881c5701129b339ecfa9a6bf0a

Analysis

max time kernel
63s
max time network
67s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2023 17:25

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General

Target

AkebiLauncher.exe
Size

8.7MB
MD5

346403dc2892f3f445123f001a6709cb
SHA1

b59e5a76feeb079cdea6a4a39544175d9f8a4d70
SHA256

e45e34b67a7c2a3073721b7f274087d9099289881c5701129b339ecfa9a6bf0a
SHA512

0c90f77b60ae4b30a7310172b1b438613a0f328e6935f1e74f14b406f62929f3270254b7026923a8d650e5d50eb7241d1901d524833379f67acc48129b1236df
SSDEEP

196608:zBRNqLt94ZYvkM/IuuVkEwu01+pYxfdkKZhYLN/ajKLt/G38Ck:zBcKZYvjwqECAIrZK5/ajx

Score

10^/10

shurk infostealer spyware stealer

Malware Config

Signatures

Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
infostealer shurk

Shurk Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/3880-136-0x000000007F380000-0x000000007FB6A000-memory.dmp	shurk_stealer

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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
17	checkip.amazonaws.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1252	WMIC.exe

GoLang User-Agent 3 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	18	Go-http-client/1.1
HTTP User-Agent header	20	Go-http-client/1.1
HTTP User-Agent header	26	Go-http-client/1.1

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1252	WMIC.exe
Token: SeSecurityPrivilege	1252	WMIC.exe
Token: SeTakeOwnershipPrivilege	1252	WMIC.exe
Token: SeLoadDriverPrivilege	1252	WMIC.exe
Token: SeSystemProfilePrivilege	1252	WMIC.exe
Token: SeSystemtimePrivilege	1252	WMIC.exe
Token: SeProfSingleProcessPrivilege	1252	WMIC.exe
Token: SeIncBasePriorityPrivilege	1252	WMIC.exe
Token: SeCreatePagefilePrivilege	1252	WMIC.exe
Token: SeBackupPrivilege	1252	WMIC.exe
Token: SeRestorePrivilege	1252	WMIC.exe
Token: SeShutdownPrivilege	1252	WMIC.exe
Token: SeDebugPrivilege	1252	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1252	WMIC.exe
Token: SeRemoteShutdownPrivilege	1252	WMIC.exe
Token: SeUndockPrivilege	1252	WMIC.exe
Token: SeManageVolumePrivilege	1252	WMIC.exe
Token: 33	1252	WMIC.exe
Token: 34	1252	WMIC.exe
Token: 35	1252	WMIC.exe
Token: 36	1252	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1252	WMIC.exe
Token: SeSecurityPrivilege	1252	WMIC.exe
Token: SeTakeOwnershipPrivilege	1252	WMIC.exe
Token: SeLoadDriverPrivilege	1252	WMIC.exe
Token: SeSystemProfilePrivilege	1252	WMIC.exe
Token: SeSystemtimePrivilege	1252	WMIC.exe
Token: SeProfSingleProcessPrivilege	1252	WMIC.exe
Token: SeIncBasePriorityPrivilege	1252	WMIC.exe
Token: SeCreatePagefilePrivilege	1252	WMIC.exe
Token: SeBackupPrivilege	1252	WMIC.exe
Token: SeRestorePrivilege	1252	WMIC.exe
Token: SeShutdownPrivilege	1252	WMIC.exe
Token: SeDebugPrivilege	1252	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1252	WMIC.exe
Token: SeRemoteShutdownPrivilege	1252	WMIC.exe
Token: SeUndockPrivilege	1252	WMIC.exe
Token: SeManageVolumePrivilege	1252	WMIC.exe
Token: 33	1252	WMIC.exe
Token: 34	1252	WMIC.exe
Token: 35	1252	WMIC.exe
Token: 36	1252	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 1928	3880	AkebiLauncher.exe	88
PID 3880 wrote to memory of 1928	3880	AkebiLauncher.exe	88
PID 3880 wrote to memory of 1928	3880	AkebiLauncher.exe	88
PID 1928 wrote to memory of 1252	1928	cmd.exe	89
PID 1928 wrote to memory of 1252	1928	cmd.exe	89
PID 1928 wrote to memory of 1252	1928	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\AkebiLauncher.exe
"C:\Users\Admin\AppData\Local\Temp\AkebiLauncher.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "wmic path win32_VideoController get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic path win32_VideoController get name
    3⤵
    - Detects videocard installed
    - Suspicious use of AdjustPrivilegeToken
    PID:1252

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2996

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\ExportResume.bat" "
1⤵
PID:4416

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\ExportResume.bat" "
1⤵
PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3880-134-0x0000000002790000-0x00000000027A0000-memory.dmp

Filesize
64KB

Download
memory/3880-133-0x0000000075FF0000-0x00000000760E0000-memory.dmp

Filesize
960KB

Download
memory/3880-135-0x0000000075FF0000-0x00000000760E0000-memory.dmp

Filesize
960KB

Download
memory/3880-136-0x000000007F380000-0x000000007FB6A000-memory.dmp

Filesize
7.9MB

Download
memory/3880-137-0x0000000006100000-0x00000000068B2000-memory.dmp

Filesize
7.7MB

Download
memory/3880-155-0x0000000075FF0000-0x00000000760E0000-memory.dmp

Filesize
960KB

Download
memory/3880-156-0x0000000006100000-0x00000000068B2000-memory.dmp

Filesize
7.7MB

Download