stealerium | 5b9a78809c6718019832322023e94982761032adb51e1a44ba139d4f63369542

General

Target

Z-Launcher-GPS5.exe
Size

1.6MB
MD5

e6db71cc80920480219f16c0c54013c7
SHA1

4c7370868e5187d5d017c69df552dd809b76c1a2
SHA256

5b9a78809c6718019832322023e94982761032adb51e1a44ba139d4f63369542
SHA512

0b229b4b3e2cac3cd25748af0cbcc37840825b2d4f9d098e97e183f2f763fe240d0df89ef98a8c19c32e4cee61145d9e6f478598b6598384b6035ab714ebce55
SSDEEP

49152:TkTq24GjdGSiqkqXfd+/9AqYanieKdsfM:T1EjdGSiqkqXf0FLYWC

Score

10^/10

stealerium discovery stealer

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1279142597218013264/8mlljrcp8pu-na1Kxr-pwaQv-IeIN4qXz3iwqKTXrY-DPCA89wjqOAQeRKn7qMqu3BR6

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Z-Launcher-GPS5.exe

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

Web Service

T1102

flow	ioc
20	discord.com
21	discord.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 5 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	Z-Launcher-GPS5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2292	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3512	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4240	Z-Launcher-GPS5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4240	Z-Launcher-GPS5.exe
Token: SeDebugPrivilege	3512	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 4944	4240	Z-Launcher-GPS5.exe	88
PID 4240 wrote to memory of 4944	4240	Z-Launcher-GPS5.exe	88
PID 4240 wrote to memory of 4944	4240	Z-Launcher-GPS5.exe	88
PID 4944 wrote to memory of 4720	4944	cmd.exe	90
PID 4944 wrote to memory of 4720	4944	cmd.exe	90
PID 4944 wrote to memory of 4720	4944	cmd.exe	90
PID 4944 wrote to memory of 3512	4944	cmd.exe	91
PID 4944 wrote to memory of 3512	4944	cmd.exe	91
PID 4944 wrote to memory of 3512	4944	cmd.exe	91
PID 4944 wrote to memory of 2292	4944	cmd.exe	92
PID 4944 wrote to memory of 2292	4944	cmd.exe	92
PID 4944 wrote to memory of 2292	4944	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\Z-Launcher-GPS5.exe
"C:\Users\Admin\AppData\Local\Temp\Z-Launcher-GPS5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpBFC6.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4720
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 4240
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3512
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2292

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

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\tmpBFC6.tmp.bat

Filesize
57B

MD5
64ddaa177f7fb2c6741b0f385f0b80c3

SHA1
1972e93cb281a334baecff156ff1f44c6dc973c0

SHA256
e156a4037eade14b94437a65aafe8c315dcf146986993cfd1dbd07e99406fdff

SHA512
2a0221125f89b35f719fff69112478631d66a8c71465c2c98fe26a3e4895c0651dbd0695721d9974670e59ea10bca30d67e09edf47e88845e0f4a621312f6722

Download Submit
memory/4240-0-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/4240-1-0x0000000000370000-0x000000000050C000-memory.dmp

Filesize
1.6MB

Download
memory/4240-2-0x0000000004DE0000-0x0000000004E46000-memory.dmp

Filesize
408KB

Download
memory/4240-3-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4240-7-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/4240-8-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/4240-9-0x0000000005390000-0x00000000053B6000-memory.dmp

Filesize
152KB

Download
memory/4240-10-0x0000000004DD0000-0x0000000004DD8000-memory.dmp

Filesize
32KB

Download
memory/4240-15-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download

Analysis

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