MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620
SHA3-384 hash: 1997eefa471d9d8ab630339d7413842f10d951620e9207236d43862f9febd1282674da667694619462b9a8c3f9cf6d6c
SHA1 hash: 9d84cc91ea89e4fc1de26340a87e565bdc9de8b6
MD5 hash: a6490058e07dae2c1f3d27af35672fa9
humanhash: virginia-mobile-nineteen-muppet
File name:a6490058e07dae2c1f3d27af35672fa9.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:761'856 bytes
First seen:2023-08-13 07:55:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d7b081df5aeced7021cc9bd078a5fcbc (1 x UACModuleSmokeLoader, 1 x Vidar, 1 x Tofsee)
ssdeep 12288:QTCn2h7lZPFhL0ZpxQkpPfZUAEmPO3q5+l7du/H/fn5v6Fj72IyE:QI67PFhqMkpPfZJEmP2hhdu/5vO72HE
Threatray 2'270 similar samples on MalwareBazaar
TLSH T1CFF42212B112C0B3C99B5035893ADF64ABBF7432A5B898CB3B5816BD8D317D1D73B249
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 0410050828200000 (1 x Vidar)
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
a6490058e07dae2c1f3d27af35672fa9.exe
Verdict:
Malicious activity
Analysis date:
2023-08-13 07:56:22 UTC
Tags:
ransomware stop loader stealer vidar trojan arkei
Link:
https://app.any.run/tasks/326636f4-8504-4519-9d65-1bc98b04e0f0

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/442484/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/102763/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620
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/6493aeca-4236-461a-b578-ad64b65d3364
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1290631
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: 1290631 Sample: aIeMqzewFW.exe Startdate: 13/08/2023 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 4 other signatures 2->49 8 aIeMqzewFW.exe 2->8         started        11 aIeMqzewFW.exe 2->11         started        13 aIeMqzewFW.exe 2->13         started        15 aIeMqzewFW.exe 2->15         started        process3 signatures4 51 Detected unpacking (changes PE section rights) 8->51 53 Detected unpacking (overwrites its own PE header) 8->53 55 Injects a PE file into a foreign processes 8->55 17 aIeMqzewFW.exe 1 16 8->17         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 21 aIeMqzewFW.exe 12 11->21         started        23 aIeMqzewFW.exe 12 13->23         started        25 aIeMqzewFW.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 162.0.217.254, 443, 49718, 49726 ACPCA Canada 17->41 35 C:\Users\user\AppData\...\aIeMqzewFW.exe, PE32 17->35 dropped 27 aIeMqzewFW.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 61 Injects a PE file into a foreign processes 27->61 32 aIeMqzewFW.exe 12 27->32         started        process10 dnsIp11 37 192.168.2.1 unknown unknown 32->37 39 api.2ip.ua 32->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-11 13:58:07 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbgsleiaaawl3cxyu2xscpsgvwvveobbymxargiiwomytkydwyqa._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Vidar
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Vidar
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Vidar
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Vidar
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
Vidar
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Vidar
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Vidar
+ 2'260 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d2840cabd9794f85353e1fae1cd95a0b discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230813-jr5l7ahg48/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
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/tatlimark
https://steamcommunity.com/profiles/76561199536605936
Unpacked files
SH256 hash:
1a10a5a86edc3e983ba97a11247cee87061f4469b3ef24eaa0fb5cdf93427497
MD5 hash:
2fb85a783554b7aff8d5376a3f6abe3b
SHA1 hash:
2caf4de620c25e3281fe6cca0f5294359f500b0c
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/7e0f0b38-c769-4253-a16b-80457cf2f8be/
Parent samples :
df6677c1c90e5cbdc7fd9bedb1ec78143e8e540936890470a31e4c718e9bf7c9
984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620
SH256 hash:
984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620
MD5 hash:
a6490058e07dae2c1f3d27af35672fa9
SHA1 hash:
9d84cc91ea89e4fc1de26340a87e565bdc9de8b6
Link:
https://www.unpac.me/results/7e0f0b38-c769-4253-a16b-80457cf2f8be/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/984d25910000/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/984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620

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 984d259100002cbd8af8a6af213e46adab523821c32e089908b39989ab03b620

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2635570/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/442484/

Comments