vidar | 05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e

General

Target

05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe
Size

580KB
MD5

f953c564ad08143fd810c509f1226090
SHA1

333b1d45e7696e6e06330f31a909ed54a5798a29
SHA256

05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e
SHA512

2020336b0a3b70dd35740ee834cfa31a056cc602f20d647bcb031f2806cdd2518aba83c2df266a949e2a9549bd994f25659c719eae218ec34c569b84a2606722
SSDEEP

12288:DKHCYvQ2v9wTcWux2Ev0O93ZbjoxE2i2lr4TkYwjDrKA:DKZvQaecnE9O931U3bhYwjH5

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Extracted

Family

vidar

C2

http://lade.petperfectcare.com:80

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 7 IoCs

stealer

resource	yara_rule
behavioral1/memory/2728-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2728-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2728-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2728-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2728-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2728-17-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2728-16-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.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	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2632	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2728	MSBuild.exe
2728	MSBuild.exe
2728	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 3040 wrote to memory of 2728	3040	05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe	29
PID 2728 wrote to memory of 2684	2728	MSBuild.exe	31
PID 2728 wrote to memory of 2684	2728	MSBuild.exe	31
PID 2728 wrote to memory of 2684	2728	MSBuild.exe	31
PID 2728 wrote to memory of 2684	2728	MSBuild.exe	31
PID 2684 wrote to memory of 2632	2684	cmd.exe	33
PID 2684 wrote to memory of 2632	2684	cmd.exe	33
PID 2684 wrote to memory of 2632	2684	cmd.exe	33
PID 2684 wrote to memory of 2632	2684	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe
"C:\Users\Admin\AppData\Local\Temp\05e2f2be2a3eb1e55bec028aca88ef21f8b5e821fa4ecdbcadee6175b2ccf13e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" & rd /s /q "C:\ProgramData\HIDGCFBFBFBK" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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/2728-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-17-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2728-16-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3040-0-0x0000000000AEC000-0x0000000000AEE000-memory.dmp

Filesize
8KB

Download

Analysis

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