vidar | f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94

General

Target

f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Size

1019KB
MD5

b9a838e6a3474a94b02aedb46c4af53f
SHA1

577d3c948a526ea7b12a11cdf366bfbd23629477
SHA256

f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94
SHA512

01232f0c549eedecddce3a773209bc06080b9d20faf5e7aa36359816e7d6c28a57a614a691f6ddf0248392a4be25c20404cfe55a0597bf37dd1889d221aea953
SSDEEP

24576:5W8Ah4bCsXbgeFQp4dk8g7vSQceGBoI6BtKvKY7fw9aQsxg5kTkad:UkbCsXbgeFQp468DeQowr08GWg8

Score

10^/10

vidar 0b3bd69430b7d827b107ba2ed809207d credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

0b3bd69430b7d827b107ba2ed809207d

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

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 7 IoCs

stealer

resource	yara_rule
behavioral1/memory/2384-11-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2384-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2384-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2384-16-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2384-15-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2384-87-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2384-86-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

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

Deletes itself 1 IoCs

pid	Process
2772	cmd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2620 set thread context of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	2620	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	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.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	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2076	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 2384	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	30
PID 2620 wrote to memory of 1712	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	31
PID 2620 wrote to memory of 1712	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	31
PID 2620 wrote to memory of 1712	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	31
PID 2620 wrote to memory of 1712	2620	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	31
PID 2384 wrote to memory of 2772	2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	35
PID 2384 wrote to memory of 2772	2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	35
PID 2384 wrote to memory of 2772	2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	35
PID 2384 wrote to memory of 2772	2384	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	35
PID 2772 wrote to memory of 2076	2772	cmd.exe	37
PID 2772 wrote to memory of 2076	2772	cmd.exe	37
PID 2772 wrote to memory of 2076	2772	cmd.exe	37
PID 2772 wrote to memory of 2076	2772	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
"C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
  "C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe" & rd /s /q "C:\ProgramData\IECGHJKKJDHI" & exit
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 52
  2⤵
  - Program crash
  PID:1712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

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
fe7e440f15af785043bb8465b6d7291d

SHA1
c7eed29579922ab8fd5e572065c9a43e2d8a7660

SHA256
ff5f869e4431a9d74ff21f316690315a4a33259abaea4b137501de5301877f1f

SHA512
c6b50206cebce433d9c4d9d6767e775d66bac74c332e0618f194b6203d928f13c9b0444168a03a4cf0d6f07849774c41ce114b8e5c55778dd783310711270a39

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabCBD9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCC0B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2384-19-0x0000000000BC0000-0x0000000000CC4000-memory.dmp

Filesize
1.0MB

Download
memory/2384-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-16-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-15-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-11-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-87-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2384-86-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2620-2-0x0000000000CBA000-0x0000000000CBB000-memory.dmp

Filesize
4KB

Download

Analysis

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