vidar | a0bf8575052b720932ab96605b4622a07453b1ace7cd73a8f262ca3e7fa7317a

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2023, 15:07

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General

Target
file.exe
Size 962KB
Sample230311-sg99csbh4z
SHA256 a0bf8575052b720932ab96605b4622a07453b1ace7cd73a8f262ca3e7fa7317a
MD5 4c5fe878d4567aec30b34fbf6e90549c
SHA1 14d15fb778c83054337e98262a196a29e1dad7af
SHA512 76886451f4f1fe5e74d1941d18c225ff3ebf9efe6e947aa2bbd28feb5a0523e110f61c1bcc60fa8c43647f68c56623c6fcad69d478cc7c4f7a6c0773b43db4ea
SSDEEP 12288:FKYg61u/MMSVfbglOEB7oqiMdcbvL38GRvhcFRSMoRQQmvo38O2I9Xrdk+KxOdiY:8f/fxsMdYT38kv+fSLi88oZ6+7YYZBPp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 9872359c86afa8a4f44fef15fc54a155 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

9872359c86afa8a4f44fef15fc54a155

https://t.me/nemesisgrow
https://steamcommunity.com/profiles/76561199471222742
http://65.109.12.165:80

Attributes

profile_id_v2
9872359c86afa8a4f44fef15fc54a155

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2484	AddInProcess32.exe
2484	AddInProcess32.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1368 set thread context of 2484	1368	file.exe	89

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AddInProcess32.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4584	timeout.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1368	file.exe
1368	file.exe
1368	file.exe
1368	file.exe
1368	file.exe
1368	file.exe
1368	file.exe
1368	file.exe
1368	file.exe
2484	AddInProcess32.exe
2484	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	file.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 3608	1368	file.exe	85
PID 1368 wrote to memory of 3608	1368	file.exe	85
PID 1368 wrote to memory of 4756	1368	file.exe	86
PID 1368 wrote to memory of 4756	1368	file.exe	86
PID 1368 wrote to memory of 2104	1368	file.exe	87
PID 1368 wrote to memory of 2104	1368	file.exe	87
PID 1368 wrote to memory of 2340	1368	file.exe	88
PID 1368 wrote to memory of 2340	1368	file.exe	88
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 1368 wrote to memory of 2484	1368	file.exe	89
PID 2484 wrote to memory of 2396	2484	AddInProcess32.exe	94
PID 2484 wrote to memory of 2396	2484	AddInProcess32.exe	94
PID 2484 wrote to memory of 2396	2484	AddInProcess32.exe	94
PID 2396 wrote to memory of 4584	2396	cmd.exe	96
PID 2396 wrote to memory of 4584	2396	cmd.exe	96
PID 2396 wrote to memory of 4584	2396	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
  2⤵
  PID:3608
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
  2⤵
  PID:4756
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"
  2⤵
  PID:2104
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
  2⤵
  PID:2340
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:4584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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memory/1368-136-0x00000155A5600000-0x00000155A5610000-memory.dmp

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memory/1368-133-0x000001558A410000-0x000001558A502000-memory.dmp

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memory/1368-135-0x000001558A870000-0x000001558A88E000-memory.dmp

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memory/1368-134-0x000001558C0D0000-0x000001558C146000-memory.dmp

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memory/2484-137-0x0000000000400000-0x0000000000495000-memory.dmp

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memory/2484-139-0x0000000000400000-0x0000000000495000-memory.dmp

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memory/2484-140-0x0000000000400000-0x0000000000495000-memory.dmp

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memory/2484-141-0x0000000000400000-0x0000000000495000-memory.dmp

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memory/2484-151-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2484-204-0x0000000000400000-0x0000000000495000-memory.dmp

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memory/2484-205-0x0000000000400000-0x0000000000495000-memory.dmp

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memory/2484-206-0x0000000000400000-0x0000000000495000-memory.dmp

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