vidar | a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3

General

Target

a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
Size

117KB
MD5

10adfd55d2fe1b14553f911adc389e89
SHA1

ea1a1861cf7fd3e100e54212976efa2ba998f2f6
SHA256

a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3
SHA512

99443c2dc86d5e6a392f78ff244749e2769b4f160c0221bfb5c7de810ef7414ef071acefcdad3bc7a04df9d6f4b7731ae43c56faad69baf37c817ef501bc6a04
SSDEEP

3072:ceImo5mf7mNlQw2+IvEuyrAAmU9JpdaNKNezb629Tf6O+BUnfvg0I0IM07V4Qr/c:ceGxMUbdqgw

Score

10^/10

vidar https://t.me/eagl3z discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

4.7

Botnet

https://t.me/eagl3z

C2

https://t.me/eagl3z

https://steamcommunity.com/profiles/76561199159550234

Attributes

profile_id_v2
https://t.me/eagl3z
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1788.0 uacq

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.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
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 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	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
712	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 2196	3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe	72
PID 3368 wrote to memory of 2196	3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe	72
PID 3368 wrote to memory of 2196	3368	a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe	72
PID 2196 wrote to memory of 712	2196	cmd.exe	74
PID 2196 wrote to memory of 712	2196	cmd.exe	74
PID 2196 wrote to memory of 712	2196	cmd.exe	74

C:\Users\Admin\AppData\Local\Temp\a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe
"C:\Users\Admin\AppData\Local\Temp\a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\a1e9ac36f287a51c929becd38de41a536962e7f1c1ef3e954eeb5da0101bd7a3.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\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/3368-125-0x00000000035F0000-0x0000000003DFE000-memory.dmp

Filesize
8.1MB

Download
memory/3368-122-0x0000000077E71000-0x0000000077E72000-memory.dmp

Filesize
4KB

Download
memory/3368-126-0x0000000000EF0000-0x0000000000F91000-memory.dmp

Filesize
644KB

Download
memory/3368-139-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3368-124-0x00000000035F0000-0x0000000003DFE000-memory.dmp

Filesize
8.1MB

Download
memory/3368-123-0x00000000035F0000-0x0000000003DFE000-memory.dmp

Filesize
8.1MB

Download
memory/3368-178-0x0000000000EF0000-0x0000000000F91000-memory.dmp

Filesize
644KB

Download
memory/3368-179-0x0000000000EF0000-0x0000000000F91000-memory.dmp

Filesize
644KB

Download
memory/3368-180-0x0000000000DF0000-0x0000000000E49000-memory.dmp

Filesize
356KB

Download
memory/3368-181-0x0000000000EF0000-0x0000000000F91000-memory.dmp

Filesize
644KB

Download
memory/3368-182-0x00000000035F0000-0x0000000003DFE000-memory.dmp

Filesize
8.1MB

Download

Analysis

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