stealerium | 3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18/03/2025, 12:35

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General

Target

build22.exe
Size

7.0MB
MD5

0176388641637593938f5278b326a494
SHA1

39d6cf486e4f292605f8cf0f6a19097e59462d6f
SHA256

3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158
SHA512

b00cd6c016b4844b8ac7b434f2bd7d621879eed815210e9a846741efd49121348755ef4d6ef9609965abbf1a154c0017c56b9fee79854bd031e3eaddfc4e4ca7
SSDEEP

196608:XMbuV25DeTD+oqzukSIlLtIY79n8SI75bWAXAkuujCPX9YG9he5GnQCAJKNc:AA403qakSoR7tfI7ZtXADu8X9Y95GQLJ

Score

10^/10

stealerium stealer

Malware Config

Extracted

Family

stealerium

https://api.telegram.org/bot1616004787:AAH60oNqVa82nffKp0gB2yn5A_jmiTy0_XY/sendMessage?chat_id=

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
Stealerium family
stealerium
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

defense_evasion

pid	Process
2812	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
2820	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	build22.exe
Token: SeDebugPrivilege	2820	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2988	2396	build22.exe	32
PID 2396 wrote to memory of 2988	2396	build22.exe	32
PID 2396 wrote to memory of 2988	2396	build22.exe	32
PID 2988 wrote to memory of 3052	2988	cmd.exe	34
PID 2988 wrote to memory of 3052	2988	cmd.exe	34
PID 2988 wrote to memory of 3052	2988	cmd.exe	34
PID 2988 wrote to memory of 2820	2988	cmd.exe	35
PID 2988 wrote to memory of 2820	2988	cmd.exe	35
PID 2988 wrote to memory of 2820	2988	cmd.exe	35
PID 2988 wrote to memory of 2812	2988	cmd.exe	36
PID 2988 wrote to memory of 2812	2988	cmd.exe	36
PID 2988 wrote to memory of 2812	2988	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\build22.exe
"C:\Users\Admin\AppData\Local\Temp\build22.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\f8c8cabb-ca8e-497c-928c-3111a39a202e.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:3052
- - C:\Windows\system32\taskkill.exe
    taskkill /F /PID 2396
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2820
- - C:\Windows\system32\timeout.exe
    timeout /T 2 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\f8c8cabb-ca8e-497c-928c-3111a39a202e.bat

Filesize
152B

MD5
90a7b75078a7cbb6cd9adbbc84d9f1c8

SHA1
486204615f0d7e3c217917c39105e8d1f2179a90

SHA256
bc20f6a216861f31c62acd47f009c82b07984e29912ad5e53ebe60d525d01837

SHA512
5b3b50e451db324d0b1c099c796be00179ea638d5bb2a7713b96c4f45662be27f13675219012818963c8a73020da67d4fa91ea8864a42420bc39a1234a72d526

Download Submit
memory/2396-0-0x000007FEF5E73000-0x000007FEF5E74000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x00000000001A0000-0x00000000008AE000-memory.dmp

Filesize
7.1MB

Download
memory/2396-2-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/2396-5-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download