vidar | c0516d4260b9bdca3060ba8f0c72dbde751ffa23aaa530438c8615ceab11f17d

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 05:58

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General

Target

98a6e37d9af5ee4cda7a587fc4a95b72.exe
Size

880KB
MD5

98a6e37d9af5ee4cda7a587fc4a95b72
SHA1

c350d75394e220be0f34a65caa06809d792e5ca9
SHA256

c0516d4260b9bdca3060ba8f0c72dbde751ffa23aaa530438c8615ceab11f17d
SHA512

5e3612c3710ceffa83c504080ce98d437257fefecc4493191d322d32c64983158dcdc53ef0ef18fbbd58b1b001962619f8c6c0b2166c43f0eed954efbab5aea2
SSDEEP

12288:D7A0dKCz3SOVjIsnYAvaVOjCTntDqtLLCnV7BdQxJQ66X2+rVQr2cCLFYzjjsmau:eqtujBICnVOQ6h+re2cGFmjoma6w

Score

10^/10

vidar 313 stealer

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

313

https://eduarroma.tumblr.com/

Attributes

profile_id
313

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/1048-9-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/1048-10-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/1048-11-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/1048-12-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/1048-22-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4248 set thread context of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5000	1048	WerFault.exe	92

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92
PID 4248 wrote to memory of 1048	4248	98a6e37d9af5ee4cda7a587fc4a95b72.exe	92

C:\Users\Admin\AppData\Local\Temp\98a6e37d9af5ee4cda7a587fc4a95b72.exe
"C:\Users\Admin\AppData\Local\Temp\98a6e37d9af5ee4cda7a587fc4a95b72.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 1808
    3⤵
    - Program crash
    PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1048 -ip 1048
1⤵
PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1048-9-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1048-22-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1048-12-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1048-11-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1048-10-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4248-3-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/4248-6-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/4248-7-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4248-8-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/4248-5-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/4248-4-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/4248-0-0x0000000000690000-0x0000000000772000-memory.dmp

Filesize
904KB

Download
memory/4248-2-0x00000000053B0000-0x0000000005416000-memory.dmp

Filesize
408KB

Download
memory/4248-1-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download