stealerium | 29fe039e2f044b0834689387f7c39c3c1974cbd6a9943f07425c692cbb3049b9

Analysis

max time kernel
79s
max time network
80s
platform
windows10-1703_x64
resource
win10-20240404-uk
resource tags

arch:x64arch:x86image:win10-20240404-uklocale:uk-uaos:windows10-1703-x64systemwindows
submitted
06-05-2024 15:44

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

Web Service
T1102

Processes:

flow ioc

1 discord.com
2 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

4616 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

324 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Illegal_Services.exe

pid process

524 Illegal_Services.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Illegal_Services.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 524 Illegal_Services.exe
Token: SeDebugPrivilege 324 taskkill.exe

flow	ioc
1	discord.com
2	discord.com

pid	process
4616	timeout.exe

pid	process
324	taskkill.exe

pid	process
524	Illegal_Services.exe

description	pid	process
Token: SeDebugPrivilege	524	Illegal_Services.exe
Token: SeDebugPrivilege	324	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Illegal_Services.execmd.exe

description	pid	process	target process
PID 524 wrote to memory of 2660	524	Illegal_Services.exe	cmd.exe
PID 524 wrote to memory of 2660	524	Illegal_Services.exe	cmd.exe
PID 524 wrote to memory of 2660	524	Illegal_Services.exe	cmd.exe
PID 2660 wrote to memory of 2528	2660	cmd.exe	chcp.com
PID 2660 wrote to memory of 2528	2660	cmd.exe	chcp.com
PID 2660 wrote to memory of 2528	2660	cmd.exe	chcp.com
PID 2660 wrote to memory of 324	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 324	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 324	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 4616	2660	cmd.exe	timeout.exe
PID 2660 wrote to memory of 4616	2660	cmd.exe	timeout.exe
PID 2660 wrote to memory of 4616	2660	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe
"C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp82CC.tmp.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:2528

C:\Windows\SysWOW64\taskkill.exe
TaskKill /F /IM 524
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:324

C:\Windows\SysWOW64\timeout.exe
Timeout /T 2 /Nobreak
3⤵
- Delays execution with timeout.exe
PID:4616

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3412

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\tmp82CC.tmp.bat
Filesize
56B

MD5
3d2ccd76bf009ea94b6def8062f3e71d

SHA1
50a9455a61b0416d9f7efb64af59f90e708939dd

SHA256
c507fbfaedcff35f135530a12b9643df58cbeed69cd1e25a240c539e835121a5

SHA512
453f00e19246a200984f98483066951daf7e897b828eeed9042073ed70cc714e385d1a1797d1789102913173e6a3744ecedc042cd13d1154c17ec4358b3799a8

Download Submit
memory/524-0-0x00000000735EE000-0x00000000735EF000-memory.dmp

Filesize
4KB

Download
memory/524-1-0x00000000004E0000-0x0000000000676000-memory.dmp

Filesize
1.6MB

Download
memory/524-2-0x0000000004F10000-0x0000000004F76000-memory.dmp

Filesize
408KB

Download
memory/524-3-0x00000000735E0000-0x0000000073CCE000-memory.dmp

Filesize
6.9MB

Download
memory/524-6-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/524-7-0x0000000005590000-0x00000000055B6000-memory.dmp

Filesize
152KB

Download
memory/524-8-0x00000000055D0000-0x00000000055D8000-memory.dmp

Filesize
32KB

Download
memory/524-13-0x00000000735E0000-0x0000000073CCE000-memory.dmp

Filesize
6.9MB

Download