stealerium | 5b9a78809c6718019832322023e94982761032adb51e1a44ba139d4f63369542

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 19:51

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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

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

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

Web Service

T1102

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2664	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1620	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1900	Z-Launcher-GPS5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	Z-Launcher-GPS5.exe
Token: SeDebugPrivilege	1620	taskkill.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 1900 wrote to memory of 2760	1900	Z-Launcher-GPS5.exe	32
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 2796	2760	cmd.exe	34
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 1620	2760	cmd.exe	35
PID 2760 wrote to memory of 2664	2760	cmd.exe	36
PID 2760 wrote to memory of 2664	2760	cmd.exe	36
PID 2760 wrote to memory of 2664	2760	cmd.exe	36
PID 2760 wrote to memory of 2664	2760	cmd.exe	36
PID 2760 wrote to memory of 2664	2760	cmd.exe	36
PID 2760 wrote to memory of 2664	2760	cmd.exe	36
PID 2760 wrote to memory of 2664	2760	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\Z-Launcher-GPS5.exe
"C:\Users\Admin\AppData\Local\Temp\Z-Launcher-GPS5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpF122.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2796
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1900
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1620
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF122.tmp.bat

Filesize
57B

MD5
2567601b18172f8dae4ad0274f324f5f

SHA1
2f144b8ca4ed76abbd44886b1cee11effbec6507

SHA256
2f047835f1c00203946d6eeaec1690fa85e6d13a572afac9170fc5ad22897c45

SHA512
d7b4033fc8efdc39ee6a9d2689ded05d8b61271d3731ee2ed25837db8dd05d53163885aefeec8836c90a86832f4c61ff67f732258553a37c43f69a786a9dbed9

Download Submit
memory/1900-0-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/1900-1-0x0000000001100000-0x000000000129C000-memory.dmp

Filesize
1.6MB

Download
memory/1900-2-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-6-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/1900-7-0x0000000000510000-0x0000000000536000-memory.dmp

Filesize
152KB

Download
memory/1900-8-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download
memory/1900-9-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/1900-14-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download