vidar | 5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31

General

Target

5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
Size

554KB
MD5

09b77f1874baa14206bbf2924df9288c
SHA1

33a3a41e73f56cc40d15de3c6592cb339a567065
SHA256

5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31
SHA512

282dcf9f44290da3cb474c4aca76bccf1f90409a6b6f07b8e903837e0d52ade8087e103800f974cf2c8326bf7f523cf294b444310b813cf6d0f35dceb83cf7ca
SSDEEP

12288:RI7zgPouTUMb6m8TLYNBFTfLp+F7R4XY:WAV6B+LAFmXY

Score

10^/10

vidar 706 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

706

C2

https://prophefliloc.tumblr.com/

Attributes

profile_id
706

Signatures

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

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/4032-2-0x00000000048F0000-0x000000000498D000-memory.dmp	family_vidar
behavioral2/memory/4032-3-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/4032-67-0x00000000048F0000-0x000000000498D000-memory.dmp	family_vidar
behavioral2/memory/4032-66-0x0000000000400000-0x0000000002CC2000-memory.dmp	family_vidar
behavioral2/memory/4032-68-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4496	4032	WerFault.exe	81
5076	4032	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
4032	5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe

C:\Users\Admin\AppData\Local\Temp\5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe
"C:\Users\Admin\AppData\Local\Temp\5a77b0ff2f1501e33ef85c5fc25cdbc4938c1b25e4177daa67bc0d9b786ecb31.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 1900
  2⤵
  - Program crash
  PID:4496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 1888
  2⤵
  - Program crash
  PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 4032 -ip 4032
1⤵
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4032 -ip 4032
1⤵
PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\softokn3.dll

Filesize
275B

MD5
a378c450e6ad9f1e0356ed46da190990

SHA1
d457a2c162391d2ea30ec2dc62c8fb3b973f6a66

SHA256
b745b0c0db87a89de5e542e9ae0a06f585793ac3f4240bff3524e7dbdba79978

SHA512
e6cdc8f570af97e48b1d8968730db0afc46f9dd6ad7366a936a5518801debb61c86cc61526e5e26e7ad3b3daeb76a19b32d7c0da33140597f6d19163683c12b5

Download Submit
memory/4032-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

Filesize
1024KB

Download
memory/4032-2-0x00000000048F0000-0x000000000498D000-memory.dmp

Filesize
628KB

Download
memory/4032-3-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4032-65-0x0000000002E30000-0x0000000002F30000-memory.dmp

Filesize
1024KB

Download
memory/4032-67-0x00000000048F0000-0x000000000498D000-memory.dmp

Filesize
628KB

Download
memory/4032-66-0x0000000000400000-0x0000000002CC2000-memory.dmp

Filesize
40.8MB

Download
memory/4032-68-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download

Analysis

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