vidar | f829e743f67bba89422aaef3571cc789a2cfffa27a3c4785dfe29a1e849a940b

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/03/2023, 03:05

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General

Target

Loader.exe
Size

431KB
MD5

c56ced7d874b7db18e64354ef0edf42e
SHA1

6c3b8fd4f489365369d4c8d7180070841fb8fc67
SHA256

f829e743f67bba89422aaef3571cc789a2cfffa27a3c4785dfe29a1e849a940b
SHA512

16784b92a26fe88c0b3b5c8eb1fdc0d6b0e1213f1f4844e4ee1ee7c831ce446b79bf2022434693e3fca38e5494a1a9a684cc374eb8349efb68c5a608ca49922e
SSDEEP

6144:AmR04i2TVQUhLyDVz+ZCNmunzqq/hrVvnVkGi9Gt/rsy/gTaFfMF9g3b5cNeR7:Hyb2WUhCRKOdVvnV1i9O/rf4s89grIU7

Score

10^/10

vidar a140de8f68e4f78cc5a6087b53d88201 stealer

Malware Config

Extracted

Family

vidar

Version

3.1

Botnet

a140de8f68e4f78cc5a6087b53d88201

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes

profile_id_v2
a140de8f68e4f78cc5a6087b53d88201
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
2004	AppLaunch.exe
2004	AppLaunch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 2004	1048	Loader.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	1048	WerFault.exe	26

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 2004	1048	Loader.exe	28
PID 1048 wrote to memory of 1728	1048	Loader.exe	29
PID 1048 wrote to memory of 1728	1048	Loader.exe	29
PID 1048 wrote to memory of 1728	1048	Loader.exe	29
PID 1048 wrote to memory of 1728	1048	Loader.exe	29

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048
- 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:2004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 132
  2⤵
  - Program crash
  PID:1728

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar882B.tmp

Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2004-54-0x0000000000090000-0x00000000000FC000-memory.dmp

Filesize
432KB

Download
memory/2004-55-0x0000000000090000-0x00000000000FC000-memory.dmp

Filesize
432KB

Download
memory/2004-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2004-62-0x0000000000090000-0x00000000000FC000-memory.dmp

Filesize
432KB

Download
memory/2004-63-0x0000000000090000-0x00000000000FC000-memory.dmp

Filesize
432KB

Download
memory/2004-115-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download