stealerium | 48b427450219751c5b38bb8b142c544ed639f0b69270b0f48e644e33da5339c0

General

Target

vape.exe
Size

1.6MB
MD5

568f7c906d45ff35c95961c922858959
SHA1

d3e5ec1c4f7699c72818b75849492fb8c24af319
SHA256

48b427450219751c5b38bb8b142c544ed639f0b69270b0f48e644e33da5339c0
SHA512

0635a29001975d6e633947fc74e4193748870cdbc1cf0b4fef98cebe0f179c4b1890eb7cb2b31174ab40d393e7d4158968c83a823fcc82b08c14881fe62ccc1d
SSDEEP

24576:ji2Q9NXw2/wPOjdGxY2rJxkqjVnlqud+/2P+A+ZecdyFoBkkAqmZywb0i:GTq24GjdGSiJxkqXfd+/9AqYanCLb

Score

10^/10

stealerium discovery stealer

Malware Config

Extracted

Family

stealerium

C2

https://discordapp.com/api/webhooks/1287935626867507220/BgogLYeO8w14cbtGvpxtN4uXBwwaccgHejFyV0i3qBC62fEY_0tlZU5EJ0YpWB-KbZaH

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vape.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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2644	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2660	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1932	vape.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	vape.exe
Token: SeDebugPrivilege	2660	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2636	1932	vape.exe	32
PID 1932 wrote to memory of 2636	1932	vape.exe	32
PID 1932 wrote to memory of 2636	1932	vape.exe	32
PID 1932 wrote to memory of 2636	1932	vape.exe	32
PID 2636 wrote to memory of 2784	2636	cmd.exe	34
PID 2636 wrote to memory of 2784	2636	cmd.exe	34
PID 2636 wrote to memory of 2784	2636	cmd.exe	34
PID 2636 wrote to memory of 2784	2636	cmd.exe	34
PID 2636 wrote to memory of 2660	2636	cmd.exe	35
PID 2636 wrote to memory of 2660	2636	cmd.exe	35
PID 2636 wrote to memory of 2660	2636	cmd.exe	35
PID 2636 wrote to memory of 2660	2636	cmd.exe	35
PID 2636 wrote to memory of 2644	2636	cmd.exe	36
PID 2636 wrote to memory of 2644	2636	cmd.exe	36
PID 2636 wrote to memory of 2644	2636	cmd.exe	36
PID 2636 wrote to memory of 2644	2636	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\vape.exe
"C:\Users\Admin\AppData\Local\Temp\vape.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3830.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2784
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1932
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2660
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3830.tmp.bat

Filesize
57B

MD5
a3a5bc1d5f8bb0b60c4061c6cc4e23df

SHA1
d247de476060fd0593f84503b6fbbc6e8f6e67a4

SHA256
dc02ad875ede627b11edaf4f33133dc50559cfbf2704f3f3a55cbecce0559484

SHA512
19b55ffa3b2daa3b88930b9d08e48dccb778fa8a8ba381a7e84f6c1f511de22dcd134fdb7d5d66fc54db58722bbe09a74e0443cb1341acda2889c6ec49019b71

Download Submit
memory/1932-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1932-1-0x0000000000370000-0x0000000000506000-memory.dmp

Filesize
1.6MB

Download
memory/1932-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-5-0x0000000005340000-0x00000000053E0000-memory.dmp

Filesize
640KB

Download
memory/1932-6-0x00000000006B0000-0x00000000006D6000-memory.dmp

Filesize
152KB

Download
memory/1932-7-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1932-8-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-13-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing