vidar | e31e544efa2ec5206c6e96340a4d85282ac0dfce7f96134965c2f576a71d07d6

Analysis

max time kernel
143s
max time network
148s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
07/04/2023, 01:34

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General

Target
Setup.exe
Size 431KB
Sample230407-by4dpsga32
SHA256 e31e544efa2ec5206c6e96340a4d85282ac0dfce7f96134965c2f576a71d07d6
MD5 f94b813fa59f08121fa3f5621f450092
SHA1 10220325973c102cf31190888cad4c6aa995bc13
SHA512 b447376ed4472f7cb6ee2142b050c5e29a289ad282306e0a27452d9f8e9ba4df1463ea1f52815e683b708b79d1192cdef58a8b19f52202ace77d0414625c1ea1
SSDEEP 12288:NQMTZrCyRcvQB6XIkmNT4zptM6v5bO0VFMgsHYX:NQMTXROuTOtM2VCgs4X
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 73f974775c7e005d18e3120aa7d3d18c stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

73f974775c7e005d18e3120aa7d3d18c

https://steamcommunity.com/profiles/76561199482806358
https://t.me/tabootalks

Attributes

profile_id_v2
73f974775c7e005d18e3120aa7d3d18c
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
844	AppLaunch.exe
844	AppLaunch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 824 set thread context of 844	824	Setup.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
688	824	WerFault.exe	27

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 844	824	Setup.exe	29
PID 824 wrote to memory of 688	824	Setup.exe	30
PID 824 wrote to memory of 688	824	Setup.exe	30
PID 824 wrote to memory of 688	824	Setup.exe	30
PID 824 wrote to memory of 688	824	Setup.exe	30
PID 824 wrote to memory of 688	824	Setup.exe	30
PID 824 wrote to memory of 688	824	Setup.exe	30
PID 824 wrote to memory of 688	824	Setup.exe	30

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
  2⤵
  - Loads dropped DLL
  PID:844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 36
  2⤵
  - Program crash
  PID:688

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Size 61KB
SHA256 95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72
MD5 e71c8443ae0bc2e282c73faead0a6dd3
SHA1 0c110c1b01e68edfacaeae64781a37b1995fa94b
SHA512 b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6
SSDEEP 1536:Jk3XPi43VgGp0gB2itudTSRAn/TWTdWftu:CHa43V5p022iZ4CgA
MD5 SHA1 SHA512 SSDEEP

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Tar4755.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar4755.tmp
Size 161KB
SHA256 1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd
MD5 be2bec6e8c5653136d3e72fe53c98aa3
SHA1 a8182d6db17c14671c3d5766c72e58d87c0810de
SHA512 0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff
SSDEEP 1536:fUTJXlCUs0Rv0/29TFrJW5ibN/5YJkKCdru2hRIwjYvjCQ9vbmt6tT:fcJXq0Rn5JaJkHru2h2jCEvtt
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path \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

Submit Download

nss3.dll

Path \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

Submit Download

memory/844-54-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/844-55-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/844-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/844-62-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/844-63-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/844-115-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads