vidar | 29f281cac20928673a516da70a1495cf217aea2dc386d7719de2df7c2053fb9d

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 13:26

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General

Target

90761d7a9ac41a9602b7094663921f42.exe
Size

5.0MB
MD5

90761d7a9ac41a9602b7094663921f42
SHA1

eb2357f00f922719f261a97ca1f4350a7c3d168a
SHA256

29f281cac20928673a516da70a1495cf217aea2dc386d7719de2df7c2053fb9d
SHA512

2e5981e6a38b2b2b4f036f3056c818834160018d97a9393f7d461890fe51f0030ac2c3322c2421abc707e20ee01392bbf3058d9bba77e95ab7facfbed55cdda0
SSDEEP

49152:bWgm+tevgmkSG2srQHYNGFF0v9AUKoXjuqqn0F2TmoGwHP2px3V:bWgmsevgm+QQFvDXFqXRDOrV

Score

10^/10

vidar zgrat rat stealer

Malware Config

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/3364-28-0x0000000000400000-0x000000000065E000-memory.dmp	family_vidar_v6
behavioral2/memory/3364-25-0x0000000000400000-0x000000000065E000-memory.dmp	family_vidar_v6
behavioral2/memory/3364-20-0x0000000000400000-0x000000000065E000-memory.dmp	family_vidar_v6

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/2988-1-0x0000000000F20000-0x000000000141E000-memory.dmp	family_zgrat_v1

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

Loads dropped DLL 1 IoCs

pid	Process
2988	90761d7a9ac41a9602b7094663921f42.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4836	3364	WerFault.exe	101

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101
PID 2988 wrote to memory of 3364	2988	90761d7a9ac41a9602b7094663921f42.exe	101

C:\Users\Admin\AppData\Local\Temp\90761d7a9ac41a9602b7094663921f42.exe
"C:\Users\Admin\AppData\Local\Temp\90761d7a9ac41a9602b7094663921f42.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:3364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 2124
    3⤵
    - Program crash
    PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3364 -ip 3364
1⤵
PID:4212

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

Filesize
385KB

MD5
8398250f88768aed63dc3645faf2eada

SHA1
148f2a54e30992ccee7b39303b8ce951c5dcd3c2

SHA256
5d7302083ff67c8eeb605a129905bfa80fd3ecdb3491ba3766196e162ef4c32a

SHA512
bf48880550e81d78c89e1f34275e6a573d4e2dbc9b8364ab424ebd0ee8f3cc32ba0ed260800c761610866165973e53523687c5fa92b2d48748a652aa6a8a661c

Download Submit
memory/2988-26-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2988-15-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/2988-3-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2988-4-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/2988-5-0x0000000006240000-0x0000000006466000-memory.dmp

Filesize
2.1MB

Download
memory/2988-6-0x00000000075A0000-0x0000000007732000-memory.dmp

Filesize
1.6MB

Download
memory/2988-16-0x00000000078E0000-0x00000000078F0000-memory.dmp

Filesize
64KB

Download
memory/2988-18-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/2988-21-0x0000000007AD0000-0x0000000007BD0000-memory.dmp

Filesize
1024KB

Download
memory/2988-0-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/2988-2-0x0000000005E30000-0x0000000005ECC000-memory.dmp

Filesize
624KB

Download
memory/2988-1-0x0000000000F20000-0x000000000141E000-memory.dmp

Filesize
5.0MB

Download
memory/2988-12-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/2988-13-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/2988-19-0x0000000007AD0000-0x0000000007BD0000-memory.dmp

Filesize
1024KB

Download
memory/2988-17-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/2988-22-0x0000000007AD0000-0x0000000007BD0000-memory.dmp

Filesize
1024KB

Download
memory/2988-14-0x0000000005F30000-0x0000000005F40000-memory.dmp

Filesize
64KB

Download
memory/3364-20-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/3364-28-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/3364-25-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download