stealerium | 0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231

General

Target

0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe
Size

3.8MB
MD5

e91657014183219fd6d6535baae97b7c
SHA1

c7b3cf4cd1f6f52ac52b427ad25509dc6c990289
SHA256

0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231
SHA512

69cb9171402023578727a4f7183c24ac63896409a9fefcaad432bde41060bd4c99345865b5b88705297fa91c777f6f3e094d6b522863e628a9ef815730f9c36a
SSDEEP

98304:FkqXf0FlL9nrYAWAZi6sfLxkuahjCOeX9YG9see5GnRyCAm0makxH13:FkSIlLtzWAXAkuujCPX9YG9he5GnQCAo

Score

10^/10

stealerium discovery stealer

Malware Config

Extracted

Family

stealerium

C2

https://api.telegram.org/bot6926474815:AAFx9tLAnf5OAVQZp2teS3G2_6T1wCP67xM/sendMessage?chat_id=-4224073938

Signatures

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
46	4192	Process not Found

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-1-5-21-3932017190-1449707826-1445630-1000\Control Panel\International\Geo\Nation	0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs

Web Service

T1102

flow	ioc
21	raw.githubusercontent.com
22	raw.githubusercontent.com
15	raw.githubusercontent.com
17	raw.githubusercontent.com
18	raw.githubusercontent.com
19	raw.githubusercontent.com
20	raw.githubusercontent.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1176	MicrosoftEdgeUpdate.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
60	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
2248	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe
Token: SeDebugPrivilege	2248	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1660	1064	0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe	92
PID 1064 wrote to memory of 1660	1064	0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe	92
PID 1660 wrote to memory of 4576	1660	cmd.exe	94
PID 1660 wrote to memory of 4576	1660	cmd.exe	94
PID 1660 wrote to memory of 2248	1660	cmd.exe	95
PID 1660 wrote to memory of 2248	1660	cmd.exe	95
PID 1660 wrote to memory of 60	1660	cmd.exe	96
PID 1660 wrote to memory of 60	1660	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe
"C:\Users\Admin\AppData\Local\Temp\0461541abae499104970d012841db7bb7bb02ea1d40d5c295a061b38e6fb7231.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\c33662eb-317e-4df1-bc42-a1b91879333d.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4576
- - C:\Windows\system32\taskkill.exe
    taskkill /F /PID 1064
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2248
- - C:\Windows\system32\timeout.exe
    timeout /T 2 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:60

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI3IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTcwMzY1NTM1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\c33662eb-317e-4df1-bc42-a1b91879333d.bat

Filesize
152B

MD5
8126083991a0985d94e74babca0cd155

SHA1
cc1020a4a90effe2ca030e123e16016f6675016f

SHA256
0233084cb87e4025102f124aee326eea146647f1d7e58df075a2413eeae96d46

SHA512
2983db68a2c1fd3a6a5d344108a608020485174fbf3c6d1002f3b7c4dbdf0df4fcd5996b177fac1762c90d47fab4aba3b5e04d3bb529b2aef36db862c05a1d89

Download Submit
memory/1064-0-0x00007FF9229D3000-0x00007FF9229D5000-memory.dmp

Filesize
8KB

Download
memory/1064-1-0x0000016984820000-0x0000016984BEC000-memory.dmp

Filesize
3.8MB

Download
memory/1064-2-0x00007FF9229D0000-0x00007FF923491000-memory.dmp

Filesize
10.8MB

Download
memory/1064-5-0x00007FF9229D0000-0x00007FF923491000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing