vidar | 1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c

Analysis

max time kernel
101s
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
03/01/2023, 13:11

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General

Target
file.exe
Size 434KB
Sample230103-qext5sbe24
SHA256 1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c
MD5 ca334213065dce4115d8bf65159b8704
SHA1 0f0fafbe20099778a15ee1660f169cf1b812dd1a
SHA512 60b6063048ece4eded25f9f414591fe8822172f734806c055de26778cab97241b6e52fc221f839dac196193778bb3f09c0a24e216404f863fb22ac8a9720b688
SSDEEP 6144:j8LcALaQvwXz/2v4W0U6sKpyqkBxj+jvcZgRTaeXgJBT4qjAWTM4xVvkHb+ew:j8dLhr3KMqYsUZ/XBMqXTMENi+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 24 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

https://t.me/year2023start
https://steamcommunity.com/profiles/76561199467421923

Attributes

profile_id
24

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
4348	76103309217125068159.exe
3068	720974737-j0xYuta9G35m02YL.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	76103309217125068159.exe

Loads dropped DLL 2 IoCs

pid	Process
5072	file.exe
5072	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
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
2268	5072	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
1180	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5072	file.exe
5072	file.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4348	76103309217125068159.exe
Token: SeDebugPrivilege	3068	720974737-j0xYuta9G35m02YL.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 4348	5072	file.exe	89
PID 5072 wrote to memory of 4348	5072	file.exe	89
PID 5072 wrote to memory of 4348	5072	file.exe	89
PID 5072 wrote to memory of 1104	5072	file.exe	91
PID 5072 wrote to memory of 1104	5072	file.exe	91
PID 5072 wrote to memory of 1104	5072	file.exe	91
PID 1104 wrote to memory of 1180	1104	cmd.exe	94
PID 1104 wrote to memory of 1180	1104	cmd.exe	94
PID 1104 wrote to memory of 1180	1104	cmd.exe	94
PID 4348 wrote to memory of 3068	4348	76103309217125068159.exe	96
PID 4348 wrote to memory of 3068	4348	76103309217125068159.exe	96
PID 4348 wrote to memory of 3068	4348	76103309217125068159.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:5072
- C:\ProgramData\76103309217125068159.exe
  "C:\ProgramData\76103309217125068159.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4348
- - C:\Users\Admin\AppData\Local\Temp\720974737-j0xYuta9G35m02YL.exe
    "C:\Users\Admin\AppData\Local\Temp\720974737-j0xYuta9G35m02YL.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3068
- 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:1104
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:1180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 2124
  2⤵
  - Program crash
  PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5072 -ip 5072
1⤵
PID:2144

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

Replay Monitor

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Downloads

76103309217125068159.exe

Path C:\ProgramData\76103309217125068159.exe
Size 927KB
SHA256 20959a8576d44ab700f7220457672bf91a8f7ca4649d62efdcf16940c99b87c4
MD5 fb9573345eadd9447277c5999058382b
SHA1 096ca363baf0db178a7be09d191e39f4a4e76247
SHA512 54c77dadbc94b79aea60e4502723043c9faabe154add83f394977abaf3c315118212b5f0119f1525f9707f36fbb4dd9a177521d7442525cd9e9108df5756964c
SSDEEP 24576:sBiFuM7qHvMzlNz2umgbgh9vlAtmjJssb4X:wUBqH3+k9AtmKf
MD5 SHA1 SHA512 SSDEEP

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76103309217125068159.exe

Path C:\ProgramData\76103309217125068159.exe
Size 927KB
SHA256 20959a8576d44ab700f7220457672bf91a8f7ca4649d62efdcf16940c99b87c4
MD5 fb9573345eadd9447277c5999058382b
SHA1 096ca363baf0db178a7be09d191e39f4a4e76247
SHA512 54c77dadbc94b79aea60e4502723043c9faabe154add83f394977abaf3c315118212b5f0119f1525f9707f36fbb4dd9a177521d7442525cd9e9108df5756964c
SSDEEP 24576:sBiFuM7qHvMzlNz2umgbgh9vlAtmjJssb4X:wUBqH3+k9AtmKf
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

720974737-j0xYuta9G35m02YL.exe

Path C:\Users\Admin\AppData\Local\Temp\720974737-j0xYuta9G35m02YL.exe
Size 448KB
SHA256 f35fe8b6a528710c17c3fac93489736f86876b3367f5370cf04ce2015d31bce2
MD5 0a0a8a1307d35b583c39528c1a5420c0
SHA1 e8ffac53a9dd40e7c05d7b9a8ee02ba60bf58951
SHA512 aff14c5346e3059a8cd8d18ffc6f3e525e69d06f72ba51977e847414c56d7dbd178a051e085130a2217cada1ced6693607ba36d18a5318c97108505140419351
SSDEEP 12288:+1IBSSZ2TbEODl4TxR52Gw59eu4kvcRr/bQoTq5g:6IBFZ0bEODUxI5A
MD5 SHA1 SHA512 SSDEEP

Submit Download

720974737-j0xYuta9G35m02YL.exe

Path C:\Users\Admin\AppData\Local\Temp\720974737-j0xYuta9G35m02YL.exe
Size 448KB
SHA256 f35fe8b6a528710c17c3fac93489736f86876b3367f5370cf04ce2015d31bce2
MD5 0a0a8a1307d35b583c39528c1a5420c0
SHA1 e8ffac53a9dd40e7c05d7b9a8ee02ba60bf58951
SHA512 aff14c5346e3059a8cd8d18ffc6f3e525e69d06f72ba51977e847414c56d7dbd178a051e085130a2217cada1ced6693607ba36d18a5318c97108505140419351
SSDEEP 12288:+1IBSSZ2TbEODl4TxR52Gw59eu4kvcRr/bQoTq5g:6IBFZ0bEODUxI5A
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3068-173-0x000000000A810000-0x000000000A876000-memory.dmp

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memory/3068-172-0x00000000079F0000-0x00000000079FA000-memory.dmp

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memory/3068-171-0x0000000007840000-0x00000000078D2000-memory.dmp

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memory/3068-170-0x0000000007D50000-0x00000000082F4000-memory.dmp

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memory/3068-169-0x0000000000A90000-0x0000000000B06000-memory.dmp

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memory/4348-163-0x0000000000A30000-0x0000000000B1E000-memory.dmp

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memory/5072-132-0x0000000002FB9000-0x0000000002FE6000-memory.dmp

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memory/5072-134-0x0000000000400000-0x0000000002C5F000-memory.dmp

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memory/5072-133-0x0000000004850000-0x000000000489C000-memory.dmp

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memory/5072-165-0x0000000000400000-0x0000000002C5F000-memory.dmp

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memory/5072-164-0x0000000002FB9000-0x0000000002FE6000-memory.dmp

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memory/5072-135-0x0000000053340000-0x00000000533D2000-memory.dmp

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memory/5072-156-0x0000000002FB9000-0x0000000002FE6000-memory.dmp

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memory/5072-157-0x0000000000400000-0x0000000002C5F000-memory.dmp

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