stealc | 4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe

Analysis

max time kernel
134s
max time network
258s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
09-05-2024 22:52

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General

Target

4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe
Size

349KB
MD5

71902cf0487ded744664dfa274bcdfe7
SHA1

516463a9324c3a8628a5cc023216dc68ee145be1
SHA256

4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe
SHA512

1ee0fe57ceb84691a71c965255dfc886ccc3cba10445754d31b01c4945b5c11411e099d4a65c97dfb40e7bff50ec34a4b0c6410b3413eca96e880e8da683ef24
SSDEEP

6144:hqv0WajNb3hJzVIcizgLfH1BYfhYda7b1sHKN5MKLjLmt:mqb3LC41BYiusHY5MK6t

Score

10^/10

stealc vidar zgrat ad7dbf02afc50b46afd33ddc12f41082 rat stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

9.4

Botnet

ad7dbf02afc50b46afd33ddc12f41082

https://steamcommunity.com/profiles/76561199680449169

https://t.me/r1g1o

Attributes

profile_id_v2
ad7dbf02afc50b46afd33ddc12f41082
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/4920-5-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-10-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-8-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/2676-1-0x0000000000530000-0x000000000058C000-memory.dmp	family_zgrat_v1

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2456	4920	WerFault.exe	74

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74
PID 2676 wrote to memory of 4920	2676	4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe	74

C:\Users\Admin\AppData\Local\Temp\4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe
"C:\Users\Admin\AppData\Local\Temp\4363355d38b8c16d8b195c9f3d74a15dba8fd16088dcda9d6baab2d6cf74fefe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 2180
    3⤵
    - Program crash
    PID:2456

Network

MITRE ATT&CK Matrix

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Downloads

memory/2676-0-0x000000007314E000-0x000000007314F000-memory.dmp

Filesize
4KB

Download
memory/2676-1-0x0000000000530000-0x000000000058C000-memory.dmp

Filesize
368KB

Download
memory/2676-3-0x0000000073140000-0x000000007382E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-13-0x0000000073140000-0x000000007382E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-12-0x0000000073140000-0x000000007382E000-memory.dmp

Filesize
6.9MB

Download
memory/4920-5-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/4920-10-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/4920-8-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads