vidar | c14e985d39c2ea91f9cb15fb51d49f899ce331af28ea40fcfeb8601b14d08b73

Analysis

max time kernel
66s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2022, 13:22

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General

Target
83db3f69e270dff1ad0e93b3292a2791.exe
Size 417KB
Sample220927-ql8j8adef5
SHA256 c14e985d39c2ea91f9cb15fb51d49f899ce331af28ea40fcfeb8601b14d08b73
MD5 83db3f69e270dff1ad0e93b3292a2791
SHA1 b9abdbc775b96a908c6fe44443d569520503c5b6
SHA512 3a84c991f870835096fd50e9c362106a87b63818af4946396ec01e151bd53be3f457c8540b6dd12d449b249ff11a83d7418f882df3931cfab8fa40f05ecd885b
SSDEEP 6144:B+KygHV8DCsWnsg7ircYbpVfVzFuoyRzoDkhoNrDK0IWEynigabwVfU:B+KNHaDCVCgYtV9zFuo0oDkhoNbdhiX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 517 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

54.7

Botnet

https://t.me/trampapanam
https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	83db3f69e270dff1ad0e93b3292a2791.exe

Loads dropped DLL 2 IoCs

pid	Process
2572	83db3f69e270dff1ad0e93b3292a2791.exe
2572	83db3f69e270dff1ad0e93b3292a2791.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	83db3f69e270dff1ad0e93b3292a2791.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	83db3f69e270dff1ad0e93b3292a2791.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3444	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
548	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2572	83db3f69e270dff1ad0e93b3292a2791.exe
2572	83db3f69e270dff1ad0e93b3292a2791.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2672 wrote to memory of 2572	2672	83db3f69e270dff1ad0e93b3292a2791.exe	81
PID 2572 wrote to memory of 1596	2572	83db3f69e270dff1ad0e93b3292a2791.exe	84
PID 2572 wrote to memory of 1596	2572	83db3f69e270dff1ad0e93b3292a2791.exe	84
PID 2572 wrote to memory of 1596	2572	83db3f69e270dff1ad0e93b3292a2791.exe	84
PID 1596 wrote to memory of 548	1596	cmd.exe	86
PID 1596 wrote to memory of 548	1596	cmd.exe	86
PID 1596 wrote to memory of 548	1596	cmd.exe	86
PID 1596 wrote to memory of 3444	1596	cmd.exe	87
PID 1596 wrote to memory of 3444	1596	cmd.exe	87
PID 1596 wrote to memory of 3444	1596	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\83db3f69e270dff1ad0e93b3292a2791.exe
"C:\Users\Admin\AppData\Local\Temp\83db3f69e270dff1ad0e93b3292a2791.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\83db3f69e270dff1ad0e93b3292a2791.exe
  "C:\Users\Admin\AppData\Local\Temp\83db3f69e270dff1ad0e93b3292a2791.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im 83db3f69e270dff1ad0e93b3292a2791.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\83db3f69e270dff1ad0e93b3292a2791.exe" & del C:\PrograData\*.dll & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1596
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im 83db3f69e270dff1ad0e93b3292a2791.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:548
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:3444

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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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/2572-136-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/2572-138-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/2572-139-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2572-134-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/2572-160-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/2572-133-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/2672-137-0x0000000000700000-0x0000000000747000-memory.dmp

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memory/2672-135-0x000000000076F000-0x0000000000798000-memory.dmp

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