vidar | 0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402

General

Target

0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe
Size

688KB
MD5

c9e2ee39f9899dcbb8b51de798971892
SHA1

9104f6cd9b9fa5f7269ed70a8355fc553275bdd9
SHA256

0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402
SHA512

8beb681d70df085fe2b7a1ed5cc69850be87e4d3281b9560aafef1358d495af54b3a45f6b2a3b80c44ab6801d0788148b1bdb5005de24e405f5ae4466cd7dcd4
SSDEEP

12288:ACxHDIAphovDRNKA4N058amG6JtR6wfTbTxwjfwxt:A2H0Apwnr4NuVqgowjfwx

Score

10^/10

vidar cdb48fb567690db37648afd4e1d83137 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

3.8

Botnet

cdb48fb567690db37648afd4e1d83137

C2

https://steamcommunity.com/profiles/76561198272578552

https://t.me/libpcre

Attributes

profile_id_v2
cdb48fb567690db37648afd4e1d83137
user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Signatures

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

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	newbuild.exe

Executes dropped EXE 1 IoCs

pid	Process
3008	newbuild.exe

Loads dropped DLL 2 IoCs

pid	Process
3008	newbuild.exe
3008	newbuild.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).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 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	0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	newbuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	newbuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3008	newbuild.exe
3008	newbuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3008	newbuild.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 3008	4432	0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe	79
PID 4432 wrote to memory of 3008	4432	0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe	79
PID 4432 wrote to memory of 3008	4432	0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe	79

C:\Users\Admin\AppData\Local\Temp\0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe
"C:\Users\Admin\AppData\Local\Temp\0f99eef3431f8f04eef23ccab335afcd7129e1ca69728ba2bfc929de3010e402.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe
  newbuild.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

Filesize
427KB

MD5
41d09d5600b1b30b656d33553ac71d0d

SHA1
5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

SHA256
9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

SHA512
250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

Download Submit
C:\Users\Admin\AppData\Roaming\gnytjgdfgn\newbuild.exe

Filesize
427KB

MD5
41d09d5600b1b30b656d33553ac71d0d

SHA1
5736f2c7cee6ceadab60a5f7cafdb192d623ad4d

SHA256
9b7720640ea927b47581425a91027c4f5eb4871c7b00bc86ce39079e789bcbf8

SHA512
250cde2ed7a26dcc3e3e1955bc5ab4eb49663c3f16a7ae5c6814af56877367491ec70dee5c0ae602349c5cc4589edb5a245477ed193d534d43898887c619c57f

Download Submit
memory/3008-147-0x0000000000400000-0x0000000002388000-memory.dmp

Filesize
31.5MB

Download
memory/3008-160-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3008-232-0x0000000000400000-0x0000000002388000-memory.dmp

Filesize
31.5MB

Download
memory/3008-144-0x0000000000400000-0x0000000002388000-memory.dmp

Filesize
31.5MB

Download
memory/3008-142-0x0000000004010000-0x0000000004067000-memory.dmp

Filesize
348KB

Download
memory/3008-146-0x0000000004010000-0x0000000004067000-memory.dmp

Filesize
348KB

Download
memory/3008-231-0x0000000000400000-0x0000000002388000-memory.dmp

Filesize
31.5MB

Download
memory/3008-178-0x0000000000400000-0x0000000002388000-memory.dmp

Filesize
31.5MB

Download
memory/3008-158-0x0000000000400000-0x0000000002388000-memory.dmp

Filesize
31.5MB

Download
memory/4432-145-0x0000000000400000-0x00000000023CA000-memory.dmp

Filesize
31.8MB

Download
memory/4432-159-0x0000000000400000-0x00000000023CA000-memory.dmp

Filesize
31.8MB

Download
memory/4432-150-0x0000000000400000-0x00000000023CA000-memory.dmp

Filesize
31.8MB

Download
memory/4432-137-0x0000000000400000-0x00000000023CA000-memory.dmp

Filesize
31.8MB

Download
memory/4432-135-0x0000000000400000-0x00000000023CA000-memory.dmp

Filesize
31.8MB

Download
memory/4432-134-0x00000000026A0000-0x000000000277C000-memory.dmp

Filesize
880KB

Download
memory/4432-143-0x0000000000400000-0x00000000023CA000-memory.dmp

Filesize
31.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads