vidar | 3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3

General

Target

3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
Size

15.6MB
MD5

31ddb76cee6b27419e729bdc4b60428e
SHA1

e7172ca1040c2afa6ba4d995af34de91439b7f8a
SHA256

3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3
SHA512

835dfa62b68589bffaf6ef7d02c2ea5883b970f8c4750b6ed51f3e328cf3f367840d1d667b91e366073a099f6ccce71087525eafd9cf71575ea98c3f03e0d6e4
SSDEEP

393216:Ej3iUkEPE1GHoujdy1JbCVwqusx0M69g52Lm+Sk7Nl:amEs1bujM0WexK9tmov

Score

10^/10

vidar 99e0d5086493a95a748eebca81c70094 stealer

Malware Config

Extracted

Family

vidar

Version

6.3

Botnet

99e0d5086493a95a748eebca81c70094

C2

https://steamcommunity.com/profiles/76561199566884947

https://t.me/octobrains

Attributes

profile_id_v2
99e0d5086493a95a748eebca81c70094
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:110.0) Gecko/20100101 Firefox/119.0

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe

description	pid	process	target process
PID 1740 set thread context of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe

description	pid	process	target process
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
PID 1740 wrote to memory of 3040	1740	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe	3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe

C:\Users\Admin\AppData\Local\Temp\3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
"C:\Users\Admin\AppData\Local\Temp\3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe
"C:\Users\Admin\AppData\Local\Temp\3c8861781bc5c16b4490863e238c5dc72fbe6586a1ee36df8989e7993a9c46b3.exe"
2⤵
- Modifies system certificate store
PID:3040

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6AFA.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1740-0-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-1-0x0000000000CE0000-0x0000000001C74000-memory.dmp

Filesize
15.6MB

Download
memory/1740-2-0x0000000003160000-0x00000000031A0000-memory.dmp

Filesize
256KB

Download
memory/1740-17-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-15-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-18-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-19-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-5-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3040-71-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads