stealc | c2258678d17d3333eb5363dddc713290b6cca4441e2f561be4b6b93d6002e2da

Analysis

max time kernel
130s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 04:07

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General

Target
file.exe
Size 197KB
Sample240820-eppezasgjd
SHA256 c2258678d17d3333eb5363dddc713290b6cca4441e2f561be4b6b93d6002e2da
MD5 d280ceff4e28777238041c040ede76ea
SHA1 1993a7d4497d82afb2476fe6d6bc52301f1ec61c
SHA512 f8d0d6f244af1f22fede01ec2ee604784b543da253ea712c186122d8b8508314e33f30c16116f1b7214781b38f0f29041d4f1221bdb6a7572220b0aacd9f4491
SSDEEP 3072:vHBOwZAts9NyiZXkYxAobBzU8/k3AYbIsvSau6a2anoKRLKsb:vxetuUcUYxF/szbIsvSay/oaK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc nord discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 4712	3096	file.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 2320	3096	file.exe	86
PID 3096 wrote to memory of 2320	3096	file.exe	86
PID 3096 wrote to memory of 2320	3096	file.exe	86
PID 3096 wrote to memory of 264	3096	file.exe	87
PID 3096 wrote to memory of 264	3096	file.exe	87
PID 3096 wrote to memory of 264	3096	file.exe	87
PID 3096 wrote to memory of 32	3096	file.exe	88
PID 3096 wrote to memory of 32	3096	file.exe	88
PID 3096 wrote to memory of 32	3096	file.exe	88
PID 3096 wrote to memory of 2968	3096	file.exe	89
PID 3096 wrote to memory of 2968	3096	file.exe	89
PID 3096 wrote to memory of 2968	3096	file.exe	89
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90
PID 3096 wrote to memory of 4712	3096	file.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:32
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3096-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

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memory/3096-1-0x0000000000140000-0x0000000000178000-memory.dmp

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memory/3096-9-0x0000000074A40000-0x00000000751F0000-memory.dmp

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memory/3096-6-0x0000000074A40000-0x00000000751F0000-memory.dmp

Download

memory/4712-3-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/4712-5-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/4712-7-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/4712-10-0x0000000000400000-0x0000000000643000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads