MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74. 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: 758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74
SHA3-384 hash: 97936b3b15ac667b38df85209a4b34c3b93433a0b5785302de4cc6cd0ceeefb02834ccb96f355ed83908414a2f1d707f
SHA1 hash: 004a95a726ae5d424f236e3b2b6ee7aa8813ee1b
MD5 hash: f5b2e78bc94f9107cf558169cd862bc5
humanhash: ten-uncle-mars-nebraska
File name:f5b2e78bc94f9107cf558169cd862bc5.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:908'288 bytes
First seen:2023-09-03 07:24:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 05ee59df2bbc43c078e8ef99811a7d49 (2 x Smoke Loader, 2 x Vidar, 1 x RedLineStealer)
ssdeep 12288:mEQavVef8LdwxqbV8R+AOGMblJxSXJ0S2vEJzD2+mjFThpgLUeL/:mD+ekaxqB8RcGUsJRjz6dnpgLHL/
Threatray 2'297 similar samples on MalwareBazaar
TLSH T15D15AD8382E17D79EB258B728F1FC6F8760DF660CE097B6922289E1F04B1176D263715
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 1020d09010241000 (1 x Vidar)
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
c20b34625df01f32a1d37676bfe43c84.exe
Verdict:
Malicious activity
Analysis date:
2023-09-01 20:29:18 UTC
Tags:
loader smoke ransomware stop stealer vidar trojan arkei fabookie redline
Link:
https://app.any.run/tasks/323ceaf1-7a39-4864-bbcb-532f845b1650

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/445814/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9de2accd-12ce-435a-9613-76ef3939925a
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302326
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
Injects a PE file into a foreign processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302326 Sample: 8Wcp9gh5jK.exe Startdate: 03/09/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 4 other signatures 2->45 8 8Wcp9gh5jK.exe 2->8         started        11 8Wcp9gh5jK.exe 2->11         started        13 8Wcp9gh5jK.exe 2->13         started        15 8Wcp9gh5jK.exe 2->15         started        process3 signatures4 47 Detected unpacking (changes PE section rights) 8->47 49 Detected unpacking (overwrites its own PE header) 8->49 51 Injects a PE file into a foreign processes 8->51 17 8Wcp9gh5jK.exe 1 16 8->17         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 21 8Wcp9gh5jK.exe 12 13->21         started        23 8Wcp9gh5jK.exe 12 15->23         started        process5 dnsIp6 35 api.2ip.ua 162.0.217.254, 443, 49728, 49735 ACPCA Canada 17->35 33 C:\Users\user\AppData\...\8Wcp9gh5jK.exe, PE32 17->33 dropped 25 8Wcp9gh5jK.exe 17->25         started        28 icacls.exe 17->28         started        file7 process8 signatures9 57 Injects a PE file into a foreign processes 25->57 30 8Wcp9gh5jK.exe 12 25->30         started        process10 dnsIp11 37 api.2ip.ua 30->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-09-01 21:48:44 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=owh37cv7xbiefkt3xzqzlnnup4x3ypaepytbaz6ho33nf3aft52a._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Vidar
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Vidar
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Vidar
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Vidar
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
Vidar
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Vidar
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Vidar
+ 2'287 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:25f5344bfcb62e75b7946c3a681aec54 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230903-h815nage4w/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
https://t.me/vogogor
https://steamcommunity.com/profiles/76561199545993403
Unpacked files
SH256 hash:
f6c25c0e6beba298317d32938016f1b21b4cee85eeb622e73b24603f02a17bf8
MD5 hash:
40c51036095c2bd4a8230a97965cef59
SHA1 hash:
57b7c5f4e6a2a89b00c9a4e315d8e3ff531d0452
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/54094814-6219-42c9-ad8e-751cdd9774de/
Parent samples :
4b91b9c26f507b6d1cf11d20933015290f37f8f19e5d7e56acf7e03dd084ea87
eabaa62f8d278372288c480bda8eed290abefb3e8e90a3af0690756dc7577cfc
3bd0e34a07b6a1e6ebd2a0dc9f8cf917d1835a7d770d41a60c83507608dd6f3d
758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74
740f93a6369b2d97604f632de77b98a5af94bdda56296689545ea1a0b13a42e6
SH256 hash:
758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74
MD5 hash:
f5b2e78bc94f9107cf558169cd862bc5
SHA1 hash:
004a95a726ae5d424f236e3b2b6ee7aa8813ee1b
Link:
https://www.unpac.me/results/54094814-6219-42c9-ad8e-751cdd9774de/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/758fbf8abfb8/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/758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74

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 758fbf8abfb85042aa7bbe6195b5b47f2fbc3c047e261067c776f6d2ec059f74

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2635570/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/445814/

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