vidar | 71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff

General

Target

71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe
Size

165KB
MD5

f4e23cd57ccf10c6a8a2fe8eec144afb
SHA1

ac85ac8ccaf4a98dcd99b46dfa2a013a4fe5d1d9
SHA256

71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff
SHA512

55c472fb875e1437e94f59337619e6c9c63bd7e880225cf72962e3b03c96f881082743b09685c06e45818890325e31f2485de35806cf52f4ba36d198073ec290
SSDEEP

3072:L3DDA3Vkdklktt/UYtuEQ7lDyukwbCle4P58KyfAg0FuD0BCm6Uro:L3DDegDtPRgleuk6ClZqAO0r

Score

10^/10

vidar 1636 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

54.9

Botnet

1636

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
1636

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2504	0863787377.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	0863787377.exe

Loads dropped DLL 2 IoCs

pid	Process
2504	0863787377.exe
2504	0863787377.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4984	2504	WerFault.exe	85

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0863787377.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0863787377.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4628	timeout.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2148	taskkill.exe
4968	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2504	0863787377.exe
2504	0863787377.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	taskkill.exe
Token: SeDebugPrivilege	4968	taskkill.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1168	2368	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe	83
PID 2368 wrote to memory of 1168	2368	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe	83
PID 2368 wrote to memory of 1168	2368	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe	83
PID 1168 wrote to memory of 2504	1168	cmd.exe	85
PID 1168 wrote to memory of 2504	1168	cmd.exe	85
PID 1168 wrote to memory of 2504	1168	cmd.exe	85
PID 2368 wrote to memory of 3256	2368	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe	89
PID 2368 wrote to memory of 3256	2368	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe	89
PID 2368 wrote to memory of 3256	2368	71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe	89
PID 3256 wrote to memory of 2148	3256	cmd.exe	91
PID 3256 wrote to memory of 2148	3256	cmd.exe	91
PID 3256 wrote to memory of 2148	3256	cmd.exe	91
PID 2504 wrote to memory of 4244	2504	0863787377.exe	96
PID 2504 wrote to memory of 4244	2504	0863787377.exe	96
PID 2504 wrote to memory of 4244	2504	0863787377.exe	96
PID 4244 wrote to memory of 4968	4244	cmd.exe	100
PID 4244 wrote to memory of 4968	4244	cmd.exe	100
PID 4244 wrote to memory of 4968	4244	cmd.exe	100
PID 4244 wrote to memory of 4628	4244	cmd.exe	102
PID 4244 wrote to memory of 4628	4244	cmd.exe	102
PID 4244 wrote to memory of 4628	4244	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe
"C:\Users\Admin\AppData\Local\Temp\71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\0863787377.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Users\Admin\AppData\Local\Temp\0863787377.exe
    "C:\Users\Admin\AppData\Local\Temp\0863787377.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2504
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" \/c taskkill /im 0863787377.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0863787377.exe" & del C:\PrograData\*.dll & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4244
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im 0863787377.exe /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4968
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        5⤵
        Delays execution with timeout.exe
        
        PID:4628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 2068
      4⤵
      Program crash
      PID:4984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "71fbc4f3ebf094353f658a75d5c6ef49b57cb7df3a4c4987b22ccccc66da18ff.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:1836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\0863787377.exe

Filesize
1.8MB

MD5
52fb3eedd8d0b617b7668a18488cf408

SHA1
50a690a57867e2ebcf06fab4103326ae884e65b2

SHA256
15730d38623e1262bc7d89fa90655a8c8455500013bd0ae233953cd39d8441b8

SHA512
54d963d5d75b14bddabed50912ea6d66b25b5752d5e95a72ab25bf19312996b42f58488f7bf23ab574d407a897ff8b182f261d36e032f072d17084a03b748eeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\0863787377.exe

Filesize
1.8MB

MD5
52fb3eedd8d0b617b7668a18488cf408

SHA1
50a690a57867e2ebcf06fab4103326ae884e65b2

SHA256
15730d38623e1262bc7d89fa90655a8c8455500013bd0ae233953cd39d8441b8

SHA512
54d963d5d75b14bddabed50912ea6d66b25b5752d5e95a72ab25bf19312996b42f58488f7bf23ab574d407a897ff8b182f261d36e032f072d17084a03b748eeb

Download Submit
memory/2504-140-0x0000000000A70000-0x0000000000ACE000-memory.dmp

Filesize
376KB

Download
memory/2504-139-0x0000000000B60000-0x0000000000DC6000-memory.dmp

Filesize
2.4MB

Download
memory/2504-145-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2504-136-0x0000000000B60000-0x0000000000DC6000-memory.dmp

Filesize
2.4MB

Download
memory/2504-168-0x0000000000B60000-0x0000000000DC6000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads