MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Vidar


Vendor detections: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc
SHA3-384 hash: f6724910cc6a5a8698ed5838c8cfb1bd080647d4d87732dfa47d437036e4c4615f6648d88a4700cead55a7ad3d242a4c
SHA1 hash: fc546f1b50863c983f927ddfc3dd6d555a981b5d
MD5 hash: 1167c9b88f89b35291f110a7b473fe8d
humanhash: sink-march-papa-east
File name:1167c9b88f89b35291f110a7b473fe8d.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:457'216 bytes
First seen:2023-09-01 20:23:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8ee8156b23aa2d1eebdc53a2bd0ca781 (1 x RedLineStealer, 1 x Vidar)
ssdeep 6144:PXzgzO8mzO6Ft3K0mryyE1OdSLUPSAgLUebH/:PXzgzfSh8YLUPBgLUeL/
Threatray 76 similar samples on MalwareBazaar
TLSH T133A408838AE17D58EA258B728F1FCAFC770DF6608E497B692218DE1F04B1176C263715
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0008080802020200 (2 x Smoke Loader, 1 x RedLineStealer, 1 x Vidar)
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
1167c9b88f89b35291f110a7b473fe8d.exe
Verdict:
Malicious activity
Analysis date:
2023-09-01 20:27:38 UTC
Tags:
gcleaner loader stealer arkei vidar
Link:
https://app.any.run/tasks/34f28e64-d685-4234-b4ea-50960301819e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OnlyLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/445705/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/64f248677ed2c5c28b1e8568/reports/f293b3f4-ad65-43ed-8812-355d7abe82af/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
FickerStealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4399850d-e3f7-417f-927f-93afefb71563
Result
Threat name:
Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1301935
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Yara detected onlyLogger
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1301935 Sample: PEQsFCd7ax.exe Startdate: 01/09/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 8 PEQsFCd7ax.exe 19 2->8         started        process3 dnsIp4 39 5.42.64.2, 49732, 49733, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 8->39 41 xxe82.bmtrck.com 3.70.16.242, 49738, 80 AMAZON-02US United States 8->41 43 4 other IPs or domains 8->43 29 C:\Users\user\AppData\...\7967768120.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\s51[1], PE32 8->31 dropped 33 C:\Users\user\AppData\Local\...\s51[1], PE32 8->33 dropped 61 Detected unpacking (changes PE section rights) 8->61 63 Detected unpacking (overwrites its own PE header) 8->63 13 cmd.exe 1 8->13         started        15 cmd.exe 1 8->15         started        file5 signatures6 process7 process8 17 7967768120.exe 18 13->17         started        21 conhost.exe 13->21         started        23 taskkill.exe 1 15->23         started        25 conhost.exe 15->25         started        dnsIp9 35 t.me 149.154.167.99, 443, 49752 TELEGRAMRU United Kingdom 17->35 37 195.201.254.123, 49754, 6012 HETZNER-ASDE Germany 17->37 53 Multi AV Scanner detection for dropped file 17->53 55 Detected unpacking (changes PE section rights) 17->55 57 Detected unpacking (overwrites its own PE header) 17->57 59 6 other signatures 17->59 27 WerFault.exe 21 9 17->27         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-09-01 15:11:52 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnk5aaz76nvw3a7l4tsjilagkuqyf53hjr7zgogczpwqdsupmt6a._file
Verdict:
malicious
Similar samples:
02afba9405a5b480a7b1b80ec9abab41e462f8c30567f1926105a63eaf13e059
Vidar
5725a12018636f3e9b66e5e14f539b1c79b2f70b666120badda1a85d3cd74809
Vidar
7ea06044a8fb6a5754735db9ea04cf4d0e67f3caa00ac2750b187a4e9a4295a5
Vidar
82ecd2b864229b43116466944478c474ac7ff2e8a0dd4f24df59d325953c2b30
Vidar
b05cb10bb35fa751db1e6b16eceb7156e4fcafc9d9baff0354e095424c3562d8
Vidar
b2d5e15268cb130c995118e17afa1198ca19604a20b91f1907a7ef18210db30f
Vidar
b911c2c7924e997f1349395a95bd57bb211e7b4a67e9c98b01fb3a176b0f27a5
Vidar
eaf0b83166fa34e9c7aeb111f1a0aac02cd227c1506a0df15ed8e6b8302b44b0
Vidar
f30c8773a897d45c5798d6d3c1768148af13101536a2d5f6ae3dc26f25471215
Vidar
f3fad225386f7222566703f13a3df005b36736afe33c6b324cd18f0df70f973f
Vidar
+ 66 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:b2ced91faf30889899f34458f95b8e93 discovery spyware stealer
Link:
https://tria.ge/reports/230901-y6pxlshe8w/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Malware Config
C2 Extraction:
https://t.me/vogogor
https://steamcommunity.com/profiles/76561199545993403
Unpacked files
SH256 hash:
239ca8d451c72d48f8d4292b3887d10359530974147e273d4fbfdfca48be80ab
MD5 hash:
c8da040d9a65bce8a3253fdad3207ad7
SHA1 hash:
833c71c44afb6a22d05944642c80036a70c13c94
Link:
https://www.unpac.me/results/ed01a0f5-cfb6-49eb-aa1b-b24d7a911879/
SH256 hash:
8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc
MD5 hash:
1167c9b88f89b35291f110a7b473fe8d
SHA1 hash:
fc546f1b50863c983f927ddfc3dd6d555a981b5d
Link:
https://www.unpac.me/results/ed01a0f5-cfb6-49eb-aa1b-b24d7a911879/
Malware family:
Vidar.A
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b55d0033ff3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe 8b55d0033ff36b6d83ebe4e4942c06552182f7674c7f9338c2cbed01ca8f64fc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2708737/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/445705/

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