stealerium | 5b9a78809c6718019832322023e94982761032adb51e1a44ba139d4f63369542

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 20:16

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General

Target
Z-Launcher-GPS5.exe
Size 1.6MB
Sample240925-y2eabayeqe
SHA256 5b9a78809c6718019832322023e94982761032adb51e1a44ba139d4f63369542
MD5 e6db71cc80920480219f16c0c54013c7
SHA1 4c7370868e5187d5d017c69df552dd809b76c1a2
SHA512 0b229b4b3e2cac3cd25748af0cbcc37840825b2d4f9d098e97e183f2f763fe240d0df89ef98a8c19c32e4cee61145d9e6f478598b6598384b6035ab714ebce55
SSDEEP 49152:TkTq24GjdGSiqkqXfd+/9AqYanieKdsfM:T1EjdGSiqkqXf0FLYWC
MD5 SHA1 SHA512 SSDEEP

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	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
2652	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2668	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1716	Z-Launcher-GPS5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	Z-Launcher-GPS5.exe
Token: SeDebugPrivilege	2668	taskkill.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 1716 wrote to memory of 2820	1716	Z-Launcher-GPS5.exe	32
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2676	2820	cmd.exe	34
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2668	2820	cmd.exe	35
PID 2820 wrote to memory of 2652	2820	cmd.exe	36
PID 2820 wrote to memory of 2652	2820	cmd.exe	36
PID 2820 wrote to memory of 2652	2820	cmd.exe	36
PID 2820 wrote to memory of 2652	2820	cmd.exe	36
PID 2820 wrote to memory of 2652	2820	cmd.exe	36
PID 2820 wrote to memory of 2652	2820	cmd.exe	36
PID 2820 wrote to memory of 2652	2820	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:1716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp6E.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2676
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1716
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2668
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2652

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

tmp6E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6E.tmp.bat
Size 57B
SHA256 ef10987521c845c288a89ab322814e54705c7edf845ab6872134e8240416d34d
MD5 e2b8bd17b83357520441c02d0591ac0e
SHA1 3fc8bc0c161dcf4527ac629718854a49da76e1a7
SHA512 d5d979522a7d2d8cec98b9652739fd624c4e312bbaf842f1abcb3c18595dbb7c8ef7a89fc02aa7934d0d7b80b27e85a2a40b3698d0cfab18a24d8fd46a60c6ee
MD5 SHA1 SHA512

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memory/1716-0-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

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memory/1716-1-0x0000000001190000-0x000000000132C000-memory.dmp

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memory/1716-2-0x0000000074AF0000-0x00000000751DE000-memory.dmp

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memory/1716-6-0x0000000000E60000-0x0000000000EF2000-memory.dmp

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memory/1716-7-0x00000000005D0000-0x00000000005F6000-memory.dmp

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memory/1716-8-0x0000000000600000-0x0000000000608000-memory.dmp

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memory/1716-13-0x0000000074AF0000-0x00000000751DE000-memory.dmp

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