stealerium | b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 22:06

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General

Target

b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe
Size

3.5MB
MD5

f425cff35d35fff3619237dea3ab4890
SHA1

bb6a3027605a785f83801c7c0a669096bca48e07
SHA256

b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8
SHA512

529d8986118026ae2b4b8b0c1b0bc7943cf361be441db31ac2fc57035ede5861c4f1f0d703fa429ca4dbea21f5056f4a68382139add159707423c87f1f481911
SSDEEP

98304:zff4bJMxiM8aBP3D5uxmfQEvja3l0uhpo7rdnv0rhbyY60:GmiM8aLamhrRvdYm

Score

10^/10

stealerium stealer

Malware Config

Extracted

Family

stealerium

https://discord.com/api/webhooks/1289898054861721610/UQWcUikhzoeSP3g5t4FGwPRX_m_qZGaFt1VvM7K3CUCEu3TaOhBCLZYSdh-IW9pcU4U1

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
17	discord.com
16	discord.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4492	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2524	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe
Token: SeDebugPrivilege	2524	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 3752	2908	b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe	88
PID 2908 wrote to memory of 3752	2908	b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe	88
PID 3752 wrote to memory of 4060	3752	cmd.exe	90
PID 3752 wrote to memory of 4060	3752	cmd.exe	90
PID 3752 wrote to memory of 2524	3752	cmd.exe	91
PID 3752 wrote to memory of 2524	3752	cmd.exe	91
PID 3752 wrote to memory of 4492	3752	cmd.exe	92
PID 3752 wrote to memory of 4492	3752	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe
"C:\Users\Admin\AppData\Local\Temp\b8c74e7e86e542c6ce85dd268694a3f3be347d223eb2a2c34d64c8221d5cd3b8N.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp9DB7.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3752
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4060
- - C:\Windows\system32\taskkill.exe
    TaskKill /F /IM 2908
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2524
- - C:\Windows\system32\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9DB7.tmp.bat

Filesize
57B

MD5
1803909352340357a09d969d1a7631f5

SHA1
cb7fe2729037bc32278a7f04e7e817b37580b1e5

SHA256
ba58991439468581e0bdf009de806b4cc0e595e8bc099bbcd955604363161755

SHA512
539251eaef03ab5917520f24ebd3da71f798dcd0792640c3abec2685668115e742167a005209c601078c13bd024b258e276d410051b4f5aa803f9043d1c3c9b7

Download Submit
memory/2908-0-0x00007FFBF2B73000-0x00007FFBF2B75000-memory.dmp

Filesize
8KB

Download
memory/2908-1-0x00000000000E0000-0x0000000000468000-memory.dmp

Filesize
3.5MB

Download
memory/2908-2-0x000000001B100000-0x000000001B4A8000-memory.dmp

Filesize
3.7MB

Download
memory/2908-3-0x00007FFBF2B70000-0x00007FFBF3631000-memory.dmp

Filesize
10.8MB

Download
memory/2908-4-0x000000001B8B0000-0x000000001B950000-memory.dmp

Filesize
640KB

Download
memory/2908-5-0x0000000002530000-0x0000000002556000-memory.dmp

Filesize
152KB

Download
memory/2908-8-0x00007FFBF2B70000-0x00007FFBF3631000-memory.dmp

Filesize
10.8MB

Download