stealerium | 12eb8a8de98663614345954639b59d7d762be14a916e46e76ade8614d4bced1a

Analysis

max time kernel
133s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 15:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Stealerium/Stub/stub.exe
Size

1.6MB
MD5

6627adf7167ee571e8fd6c8b1a0e8ae3
SHA1

03b9112660ee73c59d84e219f15bf24ae9df48db
SHA256

6c5935bcddaa1d4f809487f66db758e892cc0a7fd7704d138904bc879644ea1f
SHA512

e05896a6e0d09d4dafeb2467395ca06ae1e728a4aa079041dea82940caeb71646984604fdeea482748423b10257b8462db4f573682f9f719939143fdb5691c60
SSDEEP

49152:19Tq24GjdGSiqkqXfd+/9AqYanieKd0U:1YEjdGSiqkqXf0FLYW

Score

10^/10

stealerium stealer

Malware Config

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

Processes:

stub.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation stub.exe
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

Processes:

timeout.exe

pid process

2328 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4800 taskkill.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

stub.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 3524 stub.exe
Token: SeDebugPrivilege 4800 taskkill.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	stub.exe

pid	process
2328	timeout.exe

pid	process
4800	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3524	stub.exe
Token: SeDebugPrivilege	4800	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

stub.execmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 2004	3524	stub.exe	cmd.exe
PID 3524 wrote to memory of 2004	3524	stub.exe	cmd.exe
PID 3524 wrote to memory of 2004	3524	stub.exe	cmd.exe
PID 2004 wrote to memory of 3676	2004	cmd.exe	chcp.com
PID 2004 wrote to memory of 3676	2004	cmd.exe	chcp.com
PID 2004 wrote to memory of 3676	2004	cmd.exe	chcp.com
PID 2004 wrote to memory of 4800	2004	cmd.exe	taskkill.exe
PID 2004 wrote to memory of 4800	2004	cmd.exe	taskkill.exe
PID 2004 wrote to memory of 4800	2004	cmd.exe	taskkill.exe
PID 2004 wrote to memory of 2328	2004	cmd.exe	timeout.exe
PID 2004 wrote to memory of 2328	2004	cmd.exe	timeout.exe
PID 2004 wrote to memory of 2328	2004	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Stealerium\Stub\stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stealerium\Stub\stub.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpF9F0.tmp.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:3676

C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 3524
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4800

C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
3⤵
- Delays execution with timeout.exe
PID:2328

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4400,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:8
1⤵
PID:3376

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF9F0.tmp.bat
Filesize
57B

MD5
42e5d8d9266e5d463da0988af50e2034

SHA1
3ea5d1feeba9df57d64b1a0a03a07b95aa66b444

SHA256
4d0e050e6193204683868a9be6c55d3aa1a2ce35f706ee843bc5ac88056c71ba

SHA512
0237bf07bbe6fb7924b8dee63d1330386bee5c57ce51c8a0916cfeb6d28f7a7fbbe5cc22d85d2365b5376b2487e7dc34bdff5674d8e4a68f70d8a890942219f7

Download Submit
memory/3524-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/3524-1-0x00000000001F0000-0x0000000000382000-memory.dmp

Filesize
1.6MB

Download
memory/3524-2-0x0000000004D10000-0x0000000004D76000-memory.dmp

Filesize
408KB

Download
memory/3524-3-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/3524-6-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download