vidar | e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948

Analysis

max time kernel
65s
max time network
37s
platform
windows7_x64
resource
win7-en-20211208
submitted
02/02/2022, 18:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
Size

1.7MB
MD5

43aa5bbf3c44b243538175bd312cd8af
SHA1

ba2e14ccd5c148c7571671cc0d5f5a01049c38b9
SHA256

e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948
SHA512

77cae2b22bc8f9686d3dc0cfced72e4bb0ef81163e2cfc7e12ac88acc828742974677e8a303cb334a2eea7bc1797f434d0793609065b60e9bd6d1b1f449deb6e

Score

10^/10

vidar 1148 discovery spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

Botnet

1148

https://mastodon.social/@prophef6

https://noc.social/@prophef5

Attributes

profile_id
1148

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata

Vidar Stealer 1 IoCs

stealer

resource	yara_rule
behavioral1/memory/1472-55-0x0000000000400000-0x0000000000597000-memory.dmp	family_vidar

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
1680	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.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 NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
916	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1336	taskkill.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 1680	1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe	29
PID 1472 wrote to memory of 1680	1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe	29
PID 1472 wrote to memory of 1680	1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe	29
PID 1472 wrote to memory of 1680	1472	e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe	29
PID 1680 wrote to memory of 1336	1680	cmd.exe	31
PID 1680 wrote to memory of 1336	1680	cmd.exe	31
PID 1680 wrote to memory of 1336	1680	cmd.exe	31
PID 1680 wrote to memory of 1336	1680	cmd.exe	31
PID 1680 wrote to memory of 916	1680	cmd.exe	33
PID 1680 wrote to memory of 916	1680	cmd.exe	33
PID 1680 wrote to memory of 916	1680	cmd.exe	33
PID 1680 wrote to memory of 916	1680	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe
"C:\Users\Admin\AppData\Local\Temp\e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe" & del C:\ProgramData\*.dll & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1336
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:916

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1472-77-0x0000000075610000-0x000000007569F000-memory.dmp

Filesize
572KB

Download
memory/1472-82-0x00000000747A0000-0x00000000747D8000-memory.dmp

Filesize
224KB

Download
memory/1472-62-0x0000000074A30000-0x0000000074BC0000-memory.dmp

Filesize
1.6MB

Download
memory/1472-63-0x0000000077010000-0x0000000077057000-memory.dmp

Filesize
284KB

Download
memory/1472-64-0x0000000075240000-0x000000007524C000-memory.dmp

Filesize
48KB

Download
memory/1472-65-0x0000000075280000-0x000000007539D000-memory.dmp

Filesize
1.1MB

Download
memory/1472-66-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/1472-67-0x0000000074D60000-0x0000000074D77000-memory.dmp

Filesize
92KB

Download
memory/1472-69-0x0000000075D00000-0x0000000075D57000-memory.dmp

Filesize
348KB

Download
memory/1472-70-0x0000000075440000-0x0000000075475000-memory.dmp

Filesize
212KB

Download
memory/1472-71-0x0000000074980000-0x00000000749CF000-memory.dmp

Filesize
316KB

Download
memory/1472-72-0x00000000749D0000-0x0000000074A28000-memory.dmp

Filesize
352KB

Download
memory/1472-74-0x0000000074D80000-0x0000000074D8B000-memory.dmp

Filesize
44KB

Download
memory/1472-76-0x0000000074940000-0x0000000074984000-memory.dmp

Filesize
272KB

Download
memory/1472-61-0x00000000005A0000-0x00000000005E7000-memory.dmp

Filesize
284KB

Download
memory/1472-78-0x0000000074760000-0x000000007479D000-memory.dmp

Filesize
244KB

Download
memory/1472-79-0x0000000075100000-0x000000007512D000-memory.dmp

Filesize
180KB

Download
memory/1472-80-0x0000000074D10000-0x0000000074D26000-memory.dmp

Filesize
88KB

Download
memory/1472-81-0x0000000075260000-0x0000000075279000-memory.dmp

Filesize
100KB

Download
memory/1472-60-0x0000000076D00000-0x0000000076E5C000-memory.dmp

Filesize
1.4MB

Download
memory/1472-83-0x0000000075160000-0x00000000751A5000-memory.dmp

Filesize
276KB

Download
memory/1472-84-0x0000000074720000-0x000000007473C000-memory.dmp

Filesize
112KB

Download
memory/1472-85-0x00000000753A0000-0x00000000753C7000-memory.dmp

Filesize
156KB

Download
memory/1472-86-0x0000000076CE0000-0x0000000076CF2000-memory.dmp

Filesize
72KB

Download
memory/1472-87-0x0000000077060000-0x00000000771FD000-memory.dmp

Filesize
1.6MB

Download
memory/1472-88-0x0000000074700000-0x0000000074715000-memory.dmp

Filesize
84KB

Download
memory/1472-89-0x00000000746F0000-0x00000000746FE000-memory.dmp

Filesize
56KB

Download
memory/1472-90-0x0000000074630000-0x000000007467F000-memory.dmp

Filesize
316KB

Download
memory/1472-91-0x0000000074680000-0x00000000746D8000-memory.dmp

Filesize
352KB

Download
memory/1472-92-0x0000000075090000-0x000000007509C000-memory.dmp

Filesize
48KB

Download
memory/1472-58-0x0000000075A80000-0x0000000075B2C000-memory.dmp

Filesize
688KB

Download
memory/1472-57-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/1472-56-0x0000000075F91000-0x0000000075F93000-memory.dmp

Filesize
8KB

Download
memory/1472-54-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1472-55-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1472-94-0x00000000753A0000-0x00000000753C7000-memory.dmp

Filesize
156KB

Download
memory/1472-95-0x0000000076CE0000-0x0000000076CF2000-memory.dmp

Filesize
72KB

Download
memory/1472-96-0x0000000077060000-0x00000000771FD000-memory.dmp

Filesize
1.6MB

Download
memory/1472-97-0x0000000076CE0000-0x0000000076CF2000-memory.dmp

Filesize
72KB

Download
memory/1472-98-0x0000000077060000-0x00000000771FD000-memory.dmp

Filesize
1.6MB

Download