vidar | 3b275eb3041764efa0c25789652714f73013eba1cca9636d1dd201db733e16c1

General

Target

f20d8f923ba4065f004bbb79086a8637.exe
Size

608KB
MD5

f20d8f923ba4065f004bbb79086a8637
SHA1

f43809b21b6e4dc9eba2d4681b2d8fc10384edc3
SHA256

3b275eb3041764efa0c25789652714f73013eba1cca9636d1dd201db733e16c1
SHA512

70bc9ea694a32ef7625ddc33b40d0a0c0c7e149886938304052740ac45d1d547fd8d2a08e085103fe6a9a8b7d165f3364a770e92ab0c8b00235e77e56ef84867
SSDEEP

12288:NFG1MZ0KtvusH5nfVwcCU/gb5uGJ5j/irX7fy29C+A30Fo9srKdMEFqW3QjyVInn:y185ndiU/4J/irX7q2MV0kWYyeJni

Score

10^/10

vidar 1438 spyware stealer

Malware Config

Extracted

Family

vidar

Version

54.2

Botnet

1438

C2

https://t.me/tigogames

https://ioc.exchange/@tiagoa26

Attributes

profile_id
1438

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

AppLaunch.exe

pid process

2016 AppLaunch.exe
2016 AppLaunch.exe
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

f20d8f923ba4065f004bbb79086a8637.exe

description pid process target process

PID 5056 set thread context of 2016 5056 f20d8f923ba4065f004bbb79086a8637.exe AppLaunch.exe

pid	process
2016	AppLaunch.exe
2016	AppLaunch.exe

description	pid	process	target process
PID 5056 set thread context of 2016	5056	f20d8f923ba4065f004bbb79086a8637.exe	AppLaunch.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

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AppLaunch.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3180 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1360 taskkill.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AppLaunch.exe

pid process

2016 AppLaunch.exe
2016 AppLaunch.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1360 taskkill.exe

pid	process
3180	timeout.exe

pid	process
1360	taskkill.exe

pid	process
2016	AppLaunch.exe
2016	AppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	1360	taskkill.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f20d8f923ba4065f004bbb79086a8637.exeAppLaunch.execmd.exe

description	pid	process	target process
PID 5056 wrote to memory of 2016	5056	f20d8f923ba4065f004bbb79086a8637.exe	AppLaunch.exe
PID 5056 wrote to memory of 2016	5056	f20d8f923ba4065f004bbb79086a8637.exe	AppLaunch.exe
PID 5056 wrote to memory of 2016	5056	f20d8f923ba4065f004bbb79086a8637.exe	AppLaunch.exe
PID 5056 wrote to memory of 2016	5056	f20d8f923ba4065f004bbb79086a8637.exe	AppLaunch.exe
PID 5056 wrote to memory of 2016	5056	f20d8f923ba4065f004bbb79086a8637.exe	AppLaunch.exe
PID 2016 wrote to memory of 1276	2016	AppLaunch.exe	cmd.exe
PID 2016 wrote to memory of 1276	2016	AppLaunch.exe	cmd.exe
PID 2016 wrote to memory of 1276	2016	AppLaunch.exe	cmd.exe
PID 1276 wrote to memory of 1360	1276	cmd.exe	taskkill.exe
PID 1276 wrote to memory of 1360	1276	cmd.exe	taskkill.exe
PID 1276 wrote to memory of 1360	1276	cmd.exe	taskkill.exe
PID 1276 wrote to memory of 3180	1276	cmd.exe	timeout.exe
PID 1276 wrote to memory of 3180	1276	cmd.exe	timeout.exe
PID 1276 wrote to memory of 3180	1276	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\f20d8f923ba4065f004bbb79086a8637.exe
"C:\Users\Admin\AppData\Local\Temp\f20d8f923ba4065f004bbb79086a8637.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im AppLaunch.exe /f & timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe" & del C:\PrograData\*.dll & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1276
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im AppLaunch.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1360
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2016 -ip 2016
1⤵
PID:688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/1276-161-0x0000000000000000-mapping.dmp

Download
memory/1360-162-0x0000000000000000-mapping.dmp

Download
memory/2016-132-0x0000000000000000-mapping.dmp

Download
memory/2016-133-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2016-139-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2016-140-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3180-163-0x0000000000000000-mapping.dmp

Download

Analysis

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