stealerium | 29fe039e2f044b0834689387f7c39c3c1974cbd6a9943f07425c692cbb3049b9

Analysis

max time kernel
129s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240419-de
resource tags

arch:x64arch:x86image:win10v2004-20240419-delocale:de-deos:windows10-2004-x64systemwindows
submitted
06-05-2024 15:36

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General

Target

Illegal_Services.exe
Size

1.6MB
MD5

4a26c0872b72c9c1380bef1c2969c9c2
SHA1

a1937fee7f4503b0deb87c00aa4184802b073edc
SHA256

aced8dfcc6ca6b032fa8d2f0be09fcd32400083ff27a74e6cabaf4bd71c6d2b0
SHA512

ca6017f47f0260e5b60d9bcc0c6c934dc5749e00d041dec5bd5e3a1657537d13bbd5949d29e33c287b66c896f09aac178f7f1f05552d9303fc3b03a87c6386e4
SSDEEP

24576:Gi2Q9NXw2/wPOjdGxY2rqkqjVnlqud+/2P+A+ZecdyFoBkkAnexMrdgL7Z:BTq24GjdGSiqkqXfd+/9AqYanieKd

Score

10^/10

stealerium stealer

Malware Config

Extracted

Family

stealerium

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:

Illegal_Services.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	Illegal_Services.exe

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

Web Service
T1102

Processes:

flow ioc

11 discord.com
12 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

Processes:

timeout.exe

pid process

1456 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2928 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Illegal_Services.exe

pid process

212 Illegal_Services.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Illegal_Services.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 212 Illegal_Services.exe
Token: SeDebugPrivilege 2928 taskkill.exe

flow	ioc
11	discord.com
12	discord.com

pid	process
1456	timeout.exe

pid	process
2928	taskkill.exe

pid	process
212	Illegal_Services.exe

description	pid	process
Token: SeDebugPrivilege	212	Illegal_Services.exe
Token: SeDebugPrivilege	2928	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Illegal_Services.execmd.exe

description	pid	process	target process
PID 212 wrote to memory of 4960	212	Illegal_Services.exe	cmd.exe
PID 212 wrote to memory of 4960	212	Illegal_Services.exe	cmd.exe
PID 212 wrote to memory of 4960	212	Illegal_Services.exe	cmd.exe
PID 4960 wrote to memory of 2828	4960	cmd.exe	chcp.com
PID 4960 wrote to memory of 2828	4960	cmd.exe	chcp.com
PID 4960 wrote to memory of 2828	4960	cmd.exe	chcp.com
PID 4960 wrote to memory of 2928	4960	cmd.exe	taskkill.exe
PID 4960 wrote to memory of 2928	4960	cmd.exe	taskkill.exe
PID 4960 wrote to memory of 2928	4960	cmd.exe	taskkill.exe
PID 4960 wrote to memory of 1456	4960	cmd.exe	timeout.exe
PID 4960 wrote to memory of 1456	4960	cmd.exe	timeout.exe
PID 4960 wrote to memory of 1456	4960	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe
"C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp474A.tmp.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:4960

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:2828

C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 212
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2928

C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
3⤵
- Delays execution with timeout.exe
PID:1456

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

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp474A.tmp.bat
Filesize
56B

MD5
afe80ec60e1cf0537508adffbf4e80d5

SHA1
7315fd721106992e4b7464ec566e4e1b811f9b02

SHA256
eb79e9b45c7629f3c84ed0c9ec977c461ea91c538d70f3fd1ba36241a5e6fa5a

SHA512
1be41b032ab264cb52b753beccf1fd2098786fc6d3dd4472c937ea6d560f2ddcf07a9ab3da3d0dae3da5f7604c1dadaac0ee44efb6c1a4a309dd33d1ac6ab4c5

Download Submit
memory/212-8-0x00000000056E0000-0x0000000005706000-memory.dmp

Filesize
152KB

Download
memory/212-2-0x0000000004F90000-0x0000000004FF6000-memory.dmp

Filesize
408KB

Download
memory/212-3-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/212-6-0x00000000054B0000-0x00000000054CC000-memory.dmp

Filesize
112KB

Download
memory/212-7-0x0000000005650000-0x00000000056E2000-memory.dmp

Filesize
584KB

Download
memory/212-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/212-9-0x0000000005710000-0x0000000005718000-memory.dmp

Filesize
32KB

Download
memory/212-10-0x00000000065B0000-0x00000000065F2000-memory.dmp

Filesize
264KB

Download
memory/212-11-0x0000000006570000-0x000000000657A000-memory.dmp

Filesize
40KB

Download
memory/212-12-0x0000000006710000-0x0000000006814000-memory.dmp

Filesize
1.0MB

Download
memory/212-1-0x00000000004B0000-0x0000000000646000-memory.dmp

Filesize
1.6MB

Download
memory/212-17-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download