vidar | 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617

General

Target

072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe
Size

571KB
MD5

7f7532b84fb132083db98ad681bec486
SHA1

b07368d9b509e2c100960c6a496c78ebb6821dfc
SHA256

072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617
SHA512

951f290cbe3ea998001cebf9875a881f3695c3f7b46904cf1fdc8c9653071e1f7f57dec0730ceaeee2536b2dd93fe47dfbe13e861727a6c089dc67fd4392c1a7
SSDEEP

12288:jByivJ6LrcsUWG/97HTnZPdx7EsRQ+cJ3F/JXyiqBcw+4S:jhJ6nc97bTxQ+cJLXyLBd

Score

10^/10

vidar d206c6aab5f4bd2208ca601fe157f31b credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

d206c6aab5f4bd2208ca601fe157f31b

C2

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 16 IoCs

stealer

resource	yara_rule
behavioral1/memory/2640-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-93-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-148-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-185-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-201-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-290-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-351-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-372-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-413-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-432-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2640-506-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

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

Loads dropped DLL 2 IoCs

pid	Process
2640	MSBuild.exe
2640	MSBuild.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2840	3064	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1416	timeout.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe
2640	MSBuild.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2640	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	30
PID 3064 wrote to memory of 2840	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	31
PID 3064 wrote to memory of 2840	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	31
PID 3064 wrote to memory of 2840	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	31
PID 3064 wrote to memory of 2840	3064	072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe	31
PID 2640 wrote to memory of 1348	2640	MSBuild.exe	34
PID 2640 wrote to memory of 1348	2640	MSBuild.exe	34
PID 2640 wrote to memory of 1348	2640	MSBuild.exe	34
PID 2640 wrote to memory of 1348	2640	MSBuild.exe	34
PID 1348 wrote to memory of 1416	1348	cmd.exe	36
PID 1348 wrote to memory of 1416	1348	cmd.exe	36
PID 1348 wrote to memory of 1416	1348	cmd.exe	36
PID 1348 wrote to memory of 1416	1348	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe
"C:\Users\Admin\AppData\Local\Temp\072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HCFBKKEBKEBG" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1348
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 52
  2⤵
  - Program crash
  PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
342B

MD5
b1ad0227688bcf129d9d173ceae29316

SHA1
c049afedcecc3b3d0546bcacee95bbb806e1bbb2

SHA256
26b857786eb6bfc602b6116e7af9b0ae54ada9a83a9ed9b2bcf33222df91f082

SHA512
612f3339993c728407fed639f3e2d12f9493075c9e18791e544d522689b14afba044c4340f833047a2e7eeed353c53efd97fa4bb9ff9480c1e0ae67e148a7722

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
5990b891f112f92307cc3cb1a2ea1994

SHA1
2593900150ace147127b7387e05f4df8ca747273

SHA256
175ddeebc140af39c56a7bc386207a496adc539660beb1dceabfb9025492e89b

SHA512
24980a7628f3902a2bed905bce0a7b83ca8f3f29744d95212b8bce534c70cbf812f7809d4950104e377a51b4049c8da24fadf8c6b1d981c3f3035ff12ff03198

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1e35044f263dfd0ccdbce00bf0b7b824

SHA1
c1019bdb797a5ad6493051908fc2ffd127388b64

SHA256
a4368f57e42c5e411b918c9b2b1eff28af4821e7e04752771961a6853d1bf331

SHA512
7eb4e7a3c9798488bbb04dd301fe17872a425ea2a9b72fe910cabb6b2467bdf7f51b95e60d317f9384c992217b556c7e2d3ffb30cbd2ecde1ed53e4c422738de

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5DDB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5E2C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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/2640-93-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-201-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-506-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-148-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-185-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-187-0x0000000017710000-0x000000001796F000-memory.dmp

Filesize
2.4MB

Download
memory/2640-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-290-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-351-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-372-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-413-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-432-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2640-469-0x0000000001040000-0x0000000001041000-memory.dmp

Filesize
4KB

Download
memory/3064-0-0x0000000000E9D000-0x0000000000E9F000-memory.dmp

Filesize
8KB

Download

Analysis

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