stealc | e70366376945fbf83f23f1631eae3baa6c7b43a2c76390c2478c7bbbb52ee0e1

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 04:29

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General

Target
file.exe
Size 197KB
Sample240820-e38qrsxcjm
SHA256 e70366376945fbf83f23f1631eae3baa6c7b43a2c76390c2478c7bbbb52ee0e1
MD5 8d2cd115a389abf08f6b7888d0617b3d
SHA1 d662d702e6b4845fc20bcf0a47967c15d5a96372
SHA512 7c81549a36f6726f8b299bb67ef47ec9b9be7649468177e58feff36762e2c9f35d90a0c8a1ee4d089d76564cadeadcbdd83d705293554b0c7b5a34a5fa9ba691
SSDEEP 6144:rJpj2x2P/zmi986GTY5P1AvNN2+w+mO5CeU:rJpjo2LmSGa1WN2+wdO0J
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 2356 set thread context of 2160	2356	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2160	WerFault.exe	31

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 24 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2520	2356	file.exe	30
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2356 wrote to memory of 2160	2356	file.exe	31
PID 2160 wrote to memory of 2804	2160	RegAsm.exe	33
PID 2160 wrote to memory of 2804	2160	RegAsm.exe	33
PID 2160 wrote to memory of 2804	2160	RegAsm.exe	33
PID 2160 wrote to memory of 2804	2160	RegAsm.exe	33

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:2356
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2520
- 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
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 252
    3⤵
    - Program crash
    PID:2804

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/2160-3-0x0000000000400000-0x0000000000643000-memory.dmp

Download

memory/2160-5-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2160-10-0x0000000000400000-0x0000000000643000-memory.dmp

Download

memory/2160-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2160-7-0x0000000000400000-0x0000000000643000-memory.dmp

Download

memory/2160-6-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2160-4-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2160-14-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2160-16-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/2356-1-0x0000000000060000-0x0000000000098000-memory.dmp

Download

memory/2356-11-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Download

memory/2356-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

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memory/2356-12-0x00000000745A0000-0x0000000074C8E000-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