vidar | ea12ac3067417f9ecc1f666318e1f063e8ddc74ef6fb83162ba68c1d6819df21

Analysis

max time kernel
60s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2022, 17:48

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General

Target
file.exe
Size 336KB
Sample221228-wdevtsba76
SHA256 ea12ac3067417f9ecc1f666318e1f063e8ddc74ef6fb83162ba68c1d6819df21
MD5 6dc8116e251405d1a7f69f0c732adec6
SHA1 da0a9831cd4674b70441d259984e67333e786a1c
SHA512 8f06175910feb1d9b9a8a091aa554bbef8b7edf203b7eadc841c4b22318eca2b821421b3110b658bf5438dee83e6d829e463b3381327ec66c8a4b31e23e368f3
SSDEEP 6144:HLjUsW95K5nGbMjsqs/pCk9ybVqzE3JgxRmi3tm:HcsW956nQMjsykUbgzEZuki3tm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 24 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
24

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3460	75522150812027567162.exe

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	file.exe

Loads dropped DLL 2 IoCs

pid	Process
2500	file.exe
2500	file.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 3460 set thread context of 408	3460	75522150812027567162.exe	96

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
1252	2500	WerFault.exe	82

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1260	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2500	file.exe
2500	file.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3460	75522150812027567162.exe
Token: SeDebugPrivilege	408	AppLaunch.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 3460	2500	file.exe	89
PID 2500 wrote to memory of 3460	2500	file.exe	89
PID 2500 wrote to memory of 3460	2500	file.exe	89
PID 2500 wrote to memory of 980	2500	file.exe	91
PID 2500 wrote to memory of 980	2500	file.exe	91
PID 2500 wrote to memory of 980	2500	file.exe	91
PID 980 wrote to memory of 1260	980	cmd.exe	94
PID 980 wrote to memory of 1260	980	cmd.exe	94
PID 980 wrote to memory of 1260	980	cmd.exe	94
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96
PID 3460 wrote to memory of 408	3460	75522150812027567162.exe	96

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2500
- C:\ProgramData\75522150812027567162.exe
  "C:\ProgramData\75522150812027567162.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3460
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:1260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 660
  2⤵
  - Program crash
  PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2500 -ip 2500
1⤵
PID:1392

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

75522150812027567162.exe

Path C:\ProgramData\75522150812027567162.exe
Size 920KB
SHA256 08ec83cf551c99e6259bb3200766c3c5bd862fe0856dbf324256454fd9e922e9
MD5 73a457017b7a3e84e3ff08504e345b28
SHA1 fabd5297d5b6875bb7513ee2c2ea36745d76b804
SHA512 fb534234b2466f0920ac8ad3c283056c1df328e814b4b71460c4e3cbf1529af9c81bb1228a4f0b564e0e4ecd592cdc03f635b97640c7ec6a269d4662fed9dc26
SSDEEP 12288:5v0gzU5svX9xCfkMzRqn/MzetFCwrT92aSxNhlngQU9LxS2WlpbTvI:58UU27Cfngn0eFBN2awlgrMplRI
MD5 SHA1 SHA512 SSDEEP

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75522150812027567162.exe

Path C:\ProgramData\75522150812027567162.exe
Size 920KB
SHA256 08ec83cf551c99e6259bb3200766c3c5bd862fe0856dbf324256454fd9e922e9
MD5 73a457017b7a3e84e3ff08504e345b28
SHA1 fabd5297d5b6875bb7513ee2c2ea36745d76b804
SHA512 fb534234b2466f0920ac8ad3c283056c1df328e814b4b71460c4e3cbf1529af9c81bb1228a4f0b564e0e4ecd592cdc03f635b97640c7ec6a269d4662fed9dc26
SSDEEP 12288:5v0gzU5svX9xCfkMzRqn/MzetFCwrT92aSxNhlngQU9LxS2WlpbTvI:58UU27Cfngn0eFBN2awlgrMplRI
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 133KB
SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
MD5 8f73c08a9660691143661bf7332c3c27
SHA1 37fa65dd737c50fda710fdbde89e51374d0c204a
SHA512 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
SSDEEP 3072:7Gyzk/x2Wp53pUzPoNpj/kVghp1qt/dXDyp4D2JJJvPhrSeTuk:6yQ2Wp53iO/kVghp12/dXDyyD2JJJvPR
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 1.2MB
SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
MD5 bfac4e3c5908856ba17d41edcd455a51
SHA1 8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA512 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
SSDEEP 24576:Sb5zzlswYNYLVJAwfpeYQ1Dw/fEE8DhSJVIVfRyAkgO6S/V/jbHpls4MSRSMxkoo:4zW5ygDwnEZIYkjgWjblMSRSMqH
MD5 SHA1 SHA512 SSDEEP

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memory/408-170-0x000000000A340000-0x000000000A3A6000-memory.dmp

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memory/408-169-0x0000000007880000-0x000000000788A000-memory.dmp

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memory/408-168-0x00000000076E0000-0x0000000007772000-memory.dmp

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memory/408-167-0x0000000007B90000-0x0000000008134000-memory.dmp

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memory/408-166-0x0000000000400000-0x000000000047A000-memory.dmp

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memory/2500-135-0x0000000060900000-0x0000000060992000-memory.dmp

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memory/2500-164-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/2500-133-0x00000000005F0000-0x000000000063B000-memory.dmp

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memory/2500-134-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/2500-157-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/2500-156-0x00000000004A9000-0x00000000004D6000-memory.dmp

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memory/2500-132-0x00000000004A9000-0x00000000004D6000-memory.dmp

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memory/3460-163-0x0000000000B00000-0x0000000000BEA000-memory.dmp

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