vidar | ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913

General

Target

ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
Size

5.4MB
MD5

021d0c04cb4de2638dbd89de7625f9b7
SHA1

054945dca5b06ea8cdb7f00571084d406a3ff95c
SHA256

ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913
SHA512

d20da669fc476ff5ba15fcb4e57d620b2b1769406c653abd647eeb67cf77d3dce087c97789a175de47dd15bdce72c5ea8d1e0df58939854c1b21ff5ad66a4357
SSDEEP

98304:igaE6aTO7kajvPkgKBS58lw6CN5HY0qxG1drEqNXn6NyjeftKFPksryk:i0XTPK5B+cN1Y0qxMdRNXnXCtK7ek

Score

10^/10

vidar 0076b6a02eb028dde461f6494f955b49 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

0076b6a02eb028dde461f6494f955b49

C2

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

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 11 IoCs

stealer

resource	yara_rule
behavioral1/memory/1728-18-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-20-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-25-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-14-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-10-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-22-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-12-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-160-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-205-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-206-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral1/memory/1728-260-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
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
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
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 2488 set thread context of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.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	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.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	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1728	RegAsm.exe
1728	RegAsm.exe
1728	RegAsm.exe
1728	RegAsm.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 2340	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	32
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33
PID 2488 wrote to memory of 1728	2488	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	33

C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
"C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:1728

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
a64731ffafcde41537d5b7ae0b6bc15f

SHA1
99878feb97cd84bf3818dbaff2911f01f7863ed8

SHA256
4b9e294551e846fd8d2b270e594960356aa1ba2b763aed728daa6eedfaa70d1b

SHA512
6d8dfb1d9b598e4b3c7862b0fb02c550f9377abaf615d7d779791ca9a3e1551d27b992ea8fe0557c8a39eb7e433cdff07cadec8613a6d7aee61e04d8858853ea

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
88668056c01f0c8d36a557bb61901b63

SHA1
812de4b85b42896820c3ed5184bfb8c6d438b5c1

SHA256
1c40240b73d75ef9ed92bb7b22dd8c64f40dd31dedaa0ecf5ea3b245bbf06203

SHA512
bd5188745dee0dd527e224d949763468f353e498d1269d45b0c0f1747bc521cdc0a48cb59d250476295ceca1084a83621363ac5c0c6f3a57dfec6b1763cb01d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF855.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF9DE.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1728-7-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-22-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-18-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-260-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-20-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-25-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-14-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-10-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-206-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1728-12-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-6-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-205-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-4-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-160-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/1728-179-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2488-8-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2488-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2488-1-0x0000000000380000-0x00000000008EA000-memory.dmp

Filesize
5.4MB

Download
memory/2488-26-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing