vidar | 3cd9e155fca2eca60ed8a316efcebd2a45317ab4b957d0e8eef7470a104e845b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2023, 07:33

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General

Target
1aaa52189ea936706d63c56f0357f7bb.exe
Size 349KB
Sample230903-jdkd4age8t
SHA256 3cd9e155fca2eca60ed8a316efcebd2a45317ab4b957d0e8eef7470a104e845b
MD5 1aaa52189ea936706d63c56f0357f7bb
SHA1 b96945fe789ec4e5039eec2f6f2ed20206843b7b
SHA512 286d78256e12182f7a485032be9a260888a000ffb06cde18511150d993890ec6aceb2fccdd98fe8eaea9a64dd7dafd4f9d8a96265243448c0dc0cbd031fd9fd4
SSDEEP 3072:q7FdzYZmtp5fNIwqus6kd4RDUAStYwUhTWCdcfNYgOx3Bpllhqb7E/XIOnjireyf:qrz7ZfNu6kdQoYwUtQNYJxrbqs/XQey
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar b2ced91faf30889899f34458f95b8e93 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

b2ced91faf30889899f34458f95b8e93

https://t.me/vogogor
https://steamcommunity.com/profiles/76561199545993403

Attributes

profile_id_v2
b2ced91faf30889899f34458f95b8e93
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Signatures

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

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-1-5-21-1859779917-101786662-3680946609-1000\Control Panel\International\Geo\Nation	1aaa52189ea936706d63c56f0357f7bb.exe

Executes dropped EXE 1 IoCs

pid	Process
1260	0112383252.exe

Loads dropped DLL 2 IoCs

pid	Process
1260	0112383252.exe
1260	0112383252.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
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4812	3308	WerFault.exe	83
1352	1260	WerFault.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	0112383252.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0112383252.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3996	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1260	0112383252.exe
1260	0112383252.exe
1260	0112383252.exe
1260	0112383252.exe
1260	0112383252.exe
1260	0112383252.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3996	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 396	3308	1aaa52189ea936706d63c56f0357f7bb.exe	87
PID 3308 wrote to memory of 396	3308	1aaa52189ea936706d63c56f0357f7bb.exe	87
PID 3308 wrote to memory of 396	3308	1aaa52189ea936706d63c56f0357f7bb.exe	87
PID 396 wrote to memory of 1260	396	cmd.exe	89
PID 396 wrote to memory of 1260	396	cmd.exe	89
PID 396 wrote to memory of 1260	396	cmd.exe	89
PID 3308 wrote to memory of 4208	3308	1aaa52189ea936706d63c56f0357f7bb.exe	90
PID 3308 wrote to memory of 4208	3308	1aaa52189ea936706d63c56f0357f7bb.exe	90
PID 3308 wrote to memory of 4208	3308	1aaa52189ea936706d63c56f0357f7bb.exe	90
PID 4208 wrote to memory of 3996	4208	cmd.exe	93
PID 4208 wrote to memory of 3996	4208	cmd.exe	93
PID 4208 wrote to memory of 3996	4208	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\1aaa52189ea936706d63c56f0357f7bb.exe
"C:\Users\Admin\AppData\Local\Temp\1aaa52189ea936706d63c56f0357f7bb.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\0112383252.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:396
- - C:\Users\Admin\AppData\Local\Temp\0112383252.exe
    "C:\Users\Admin\AppData\Local\Temp\0112383252.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:1260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 1856
      4⤵
      Program crash
      PID:1352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "1aaa52189ea936706d63c56f0357f7bb.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1aaa52189ea936706d63c56f0357f7bb.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4208
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "1aaa52189ea936706d63c56f0357f7bb.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 1476
  2⤵
  - Program crash
  PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3308 -ip 3308
1⤵
PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1260 -ip 1260
1⤵
PID:1648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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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0112383252.exe

Path C:\Users\Admin\AppData\Local\Temp\0112383252.exe
Size 500KB
SHA256 15609411e286631dabd4916a34067b3f9a3bbb7b121150ae06d824efbabc2e2f
MD5 523ad6be6bc5ab3a05ff3727e5cc2d4e
SHA1 0f2747fb399c6ec4890e7ab05d995de6457fca0f
SHA512 fce703523d38590007b3057dff77aa55989ea1fa1e54fb7683d1c3a9d2612cce2d58fb50f7c5e85c0ce6584f11f84d02f08f8cf7914fd464aca314d674f20062
SSDEEP 12288:j6ovY9VfzGDhNoIFQ1P/uzwEqKmgLUeL/:jYnfzGDhNAFGbqVgLHL/
MD5 SHA1 SHA512 SSDEEP

Submit Download

0112383252.exe

Path C:\Users\Admin\AppData\Local\Temp\0112383252.exe
Size 500KB
SHA256 15609411e286631dabd4916a34067b3f9a3bbb7b121150ae06d824efbabc2e2f
MD5 523ad6be6bc5ab3a05ff3727e5cc2d4e
SHA1 0f2747fb399c6ec4890e7ab05d995de6457fca0f
SHA512 fce703523d38590007b3057dff77aa55989ea1fa1e54fb7683d1c3a9d2612cce2d58fb50f7c5e85c0ce6584f11f84d02f08f8cf7914fd464aca314d674f20062
SSDEEP 12288:j6ovY9VfzGDhNoIFQ1P/uzwEqKmgLUeL/:jYnfzGDhNAFGbqVgLHL/
MD5 SHA1 SHA512 SSDEEP

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memory/1260-28-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/1260-18-0x0000000004110000-0x000000000416C000-memory.dmp

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memory/1260-73-0x0000000000400000-0x000000000246C000-memory.dmp

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memory/1260-72-0x0000000003F90000-0x0000000003FC1000-memory.dmp

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memory/1260-71-0x0000000000400000-0x000000000246C000-memory.dmp

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memory/1260-16-0x0000000003F90000-0x0000000003FC1000-memory.dmp

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memory/1260-17-0x0000000000400000-0x000000000246C000-memory.dmp

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memory/3308-15-0x00000000041D0000-0x000000000420E000-memory.dmp

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memory/3308-0-0x00000000041A0000-0x00000000041C4000-memory.dmp

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memory/3308-2-0x0000000000400000-0x0000000002447000-memory.dmp

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memory/3308-1-0x00000000041D0000-0x000000000420E000-memory.dmp

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memory/3308-4-0x0000000000400000-0x0000000002447000-memory.dmp

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memory/3308-14-0x0000000000400000-0x0000000002447000-memory.dmp

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memory/3308-13-0x00000000041A0000-0x00000000041C4000-memory.dmp

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