stealc | 1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 17:19

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General

Target

1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe
Size

502KB
MD5

ddebfb0162635fe5e37a7c879abc8b20
SHA1

d92157d0db775fd1c34480c4879fbc0aab366186
SHA256

1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72
SHA512

37f664545939f59b829ff45e61e59a594c9f523645a057149263fd6108c3dba44d7d3b1e61fd3f5d02c1408983e1d51d2247fda0be1fe4a22c4bc3c341c98c51
SSDEEP

12288:8KuDhKFCHlqPEfZRRvU8rZzpLdVRkURZHUNecrKp:8KgKFmkwNrZvVRkm0hw

Score

10^/10

stealc default5_doz discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default5_doz

http://62.204.41.159

Attributes

url_path
/edd20096ecef326d.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2600	WerFault.exe	30

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	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2688 wrote to memory of 2600	2688	1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe	30
PID 2600 wrote to memory of 2704	2600	MSBuild.exe	31
PID 2600 wrote to memory of 2704	2600	MSBuild.exe	31
PID 2600 wrote to memory of 2704	2600	MSBuild.exe	31
PID 2600 wrote to memory of 2704	2600	MSBuild.exe	31

C:\Users\Admin\AppData\Local\Temp\1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe
"C:\Users\Admin\AppData\Local\Temp\1d8c4a07e0a84363f81091a8924bd38f01123ddd14bd2093e4836d074a88df72N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 44
    3⤵
    - Program crash
    PID:2704

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

Replay Monitor

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Downloads

memory/2600-1-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-10-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-2-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2600-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-0-0x0000000000D79000-0x0000000000D7A000-memory.dmp

Filesize
4KB

Download