vidar | 8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979

Analysis

max time kernel
118s
max time network
147s
platform
windows10_x64
resource
win10-en-20210920
submitted
03-10-2021 17:05

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General

Target

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
Size

1.5MB
MD5

d494477460b26ffbbd75a1e62b0f243e
SHA1

484e46737ae1919047a32126a5423ec1f563bc5f
SHA256

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979
SHA512

bca9b9235cf0796352f6f8847d176b613e1421367af677281df306bdab19f241a9bfe77749e3dc5178008767b8cb5cb4a8ed8702119b1d5e616605e293691d3c

Score

10^/10

vidar 921 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

41.1

Botnet

921

https://mas.to/@bardak1ho

Attributes

profile_id
921

Signatures

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

Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/4176-122-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral1/memory/4176-123-0x00000000004A032D-mapping.dmp	family_vidar
behavioral1/memory/4176-125-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 3 IoCs

Processes:

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

pid	process
3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
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

Processes:

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

description	pid	process	target process
PID 3704 set thread context of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

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

System Information Discovery
T1082

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:

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4384 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1412 taskkill.exe

pid	process
4384	timeout.exe

pid	process
1412	taskkill.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

pid	process
3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
Token: SeDebugPrivilege	1412	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.execmd.exe

description	pid	process	target process
PID 3704 wrote to memory of 2628	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 2628	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 2628	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 3704 wrote to memory of 4176	3704	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
PID 4176 wrote to memory of 3364	4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	cmd.exe
PID 4176 wrote to memory of 3364	4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	cmd.exe
PID 4176 wrote to memory of 3364	4176	8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe	cmd.exe
PID 3364 wrote to memory of 1412	3364	cmd.exe	taskkill.exe
PID 3364 wrote to memory of 1412	3364	cmd.exe	taskkill.exe
PID 3364 wrote to memory of 1412	3364	cmd.exe	taskkill.exe
PID 3364 wrote to memory of 4384	3364	cmd.exe	timeout.exe
PID 3364 wrote to memory of 4384	3364	cmd.exe	timeout.exe
PID 3364 wrote to memory of 4384	3364	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
"C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704

C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
"C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe"
2⤵
PID:2628

C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe
"C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe" & del C:\ProgramData\*.dll & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3364

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979.exe /f
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1412

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:4384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\Users\Admin\AppData\Local\Temp\9fcb5626-ecc1-422b-9975-65e4c1e36203\AgileDotNetRT.dll
MD5
edd74be9723cdc6a5692954f0e51c9f3

SHA1
e9fb66ceee1ba4ce7e5b8271b3e1ed7cb9acf686

SHA256
55ff1e0a4e5866d565ceeb9baafac73fdcb4464160fc6c78104d935009935cd7

SHA512
80abecdd07f364283f216d8f4d90a4da3efd4561900631fce05c2916afeb1b5bbce23ae92d57430b7b2b06c172b2ad701b2ab75b6dfd2a861abcf7edc38462f3

Download Submit
memory/1412-129-0x0000000000000000-mapping.dmp

Download
memory/3364-128-0x0000000000000000-mapping.dmp

Download
memory/3704-120-0x0000000071F70000-0x0000000071FF0000-memory.dmp

Filesize
512KB

Download
memory/3704-124-0x0000000005080000-0x000000000557E000-memory.dmp

Filesize
5.0MB

Download
memory/3704-115-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/3704-117-0x0000000005580000-0x0000000005581000-memory.dmp

Filesize
4KB

Download
memory/3704-118-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/3704-121-0x0000000002BA0000-0x0000000002BB6000-memory.dmp

Filesize
88KB

Download
memory/4176-123-0x00000000004A032D-mapping.dmp

Download
memory/4176-122-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/4176-125-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/4384-130-0x0000000000000000-mapping.dmp

Download