vidar | d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a

General

Target

d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe
Size

335KB
MD5

94184473f052d0d324323d67285fad14
SHA1

82fb39cd22a126f8d4876b5ad97cc73b66885cd5
SHA256

d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a
SHA512

a97bab532b188a2cbb2f952a233a4838ca05f37464760a37cd8ed92abc8196e4e15a20b24ff5b8a9526b940fc3acafa953f91ce7a0d9a376fe2e7ffc54fc9d81
SSDEEP

6144:ye7/cRR+JQ8mjAnN3yf8Hwjq4LVvwKnNGBf5UkNEH9IuyQrYJua:yY6R+JQXjAnN3ykQO4Lq4Y6wmOnQrYJl

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

C2

https://t.me/sc1phell

https://steamcommunity.com/profiles/76561199819539662

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/3176-4-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3176-5-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3176-6-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3176-8-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3176-15-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4372	2988	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 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	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4736	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	82
PID 2988 wrote to memory of 4736	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	82
PID 2988 wrote to memory of 4736	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	82
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83
PID 2988 wrote to memory of 3176	2988	d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe	83

C:\Users\Admin\AppData\Local\Temp\d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe
"C:\Users\Admin\AppData\Local\Temp\d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe
  "C:\Users\Admin\AppData\Local\Temp\d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe"
  2⤵
  PID:4736
- C:\Users\Admin\AppData\Local\Temp\d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe
  "C:\Users\Admin\AppData\Local\Temp\d7066683b5e399415d6b2e09d97394ce1aec288992a9e303cd457110a92f5a3a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 824
  2⤵
  - Program crash
  PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2988 -ip 2988
1⤵
PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2988-0-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/2988-1-0x00000000002D0000-0x000000000032A000-memory.dmp

Filesize
360KB

Download
memory/2988-2-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/2988-7-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3176-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3176-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3176-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3176-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3176-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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