MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 456079ac17674de342836dee558093a80c9b6fb869b5a7562a615db1bbe1b42d. 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


Stop


Vendor detections: 11


Intelligence 11 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 456079ac17674de342836dee558093a80c9b6fb869b5a7562a615db1bbe1b42d
SHA3-384 hash: 078c15ecf7653eb7e0ba9488e121d7ef11e169165c9882835aee72084d5c7b4bd6d7cf5c3b6c1e4fc7cf113c2e7b8a23
SHA1 hash: 0da68ce254e2bd684ef9c422783ec8b85c66f3c8
MD5 hash: c7b1e94b6c418bc8ebc5e624933460d9
humanhash: cup-paris-july-indigo
File name:c7b1e94b6c418bc8ebc5e624933460d9.exe
Download: download sample
Signature Stop
Create hunting rule
File size:785'920 bytes
First seen:2021-08-01 01:55:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be037a61d0fc8d95adaf9a493416af5f (2 x Stop, 1 x RedLineStealer, 1 x GCleaner)
ssdeep 12288:n8LvMI/teHpSbtBpNy7JpYO1yk0H4Y3JmhXTVK17TIgE:n8LvLg8btBpNiykKYTVKFI
Threatray 403 similar samples on MalwareBazaar
TLSH T15CF41290BE10D222D34446308861D266A63ABDF5A8659A033F8927AF3DF33B15275F77
dhash icon 48b9b2b4e8c18c90 (8 x RaccoonStealer, 3 x DanaBot, 1 x CryptBot)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://astdg.top/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://astdg.top/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/165211/

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'748
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c7b1e94b6c418bc8ebc5e624933460d9.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-01 01:57:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5fe13446-1b20-491a-b216-0ea3c9b33b48

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/175526/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.9555.28204.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/f3ae0ee8-f097-4328-b5cf-a13bb0acd771
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/824995
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 457407 Sample: Oyu6AMjXZH.exe Startdate: 01/08/2021 Architecture: WINDOWS Score: 100 38 116.202.183.50, 49749, 80 HETZNER-ASDE Germany 2->38 40 shpak125.tumblr.com 74.114.154.18, 443, 49747 AUTOMATTICUS Canada 2->40 42 api.2ip.ua 2->42 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 10 other signatures 2->60 9 Oyu6AMjXZH.exe 2->9         started        12 Oyu6AMjXZH.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (changes PE section rights) 9->62 64 Detected unpacking (overwrites its own PE header) 9->64 66 Contains functionality to inject code into remote processes 9->66 68 Writes many files with high entropy 9->68 14 Oyu6AMjXZH.exe 1 18 9->14         started        70 Injects a PE file into a foreign processes 12->70 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49731, 49735 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\Oyu6AMjXZH.exe:Zone.Identifier, ASCII 14->36 dropped 18 Oyu6AMjXZH.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 18->52 23 Oyu6AMjXZH.exe 1 25 18->23         started        process11 dnsIp12 44 securebiz.org 51.211.209.141, 49737, 80 SAUDINETSTC-ASSA Saudi Arabia 23->44 46 astdg.top 196.200.111.5, 49738, 49743, 80 ERITEL-ASER Eritrea 23->46 48 2 other IPs or domains 23->48 28 HarvardAnglia2008O...ine.xsl.nooa (copy), COM 23->28 dropped 30 C:\...\HarvardAnglia2008OfficeOnline.xsl, COM 23->30 dropped 32 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 23->32 dropped 34 307 other files (295 malicious) 23->34 dropped 72 Infects executable files (exe, dll, sys, html) 23->72 74 Modifies existing user documents (likely ransomware behavior) 23->74 file13 signatures14
Gathering data
Threat name:
Win32.Trojan.Hynamer
Create hunting rule
Status:
Malicious
First seen:
2021-08-01 00:38:36 UTC
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivqhtlaxm5g6gqudnxxflaetvagjw35yng22ovrkmfo3do7bwqwq._file
Verdict:
malicious
Similar samples:
26967c1b5ff6848501ddf70985408b7736835286f788f663e086f34aecd6bfb1
Stop
350ba023b14fb9b5a4068621cbde35492b8b0aa74048a5d5ed2a6028113efc00
Stop
4bf2dace8a23551a3cd374a14b68cef6185aa18f9148dac8bf77f19f734d3ad7
Stop
65de8f856c797623ad2fd66f9e1dcce4a74b969334964b535cc0176eb588af95
Stop
7c75df63bc40beca5ccf65db76c33539ee9f3468a4149e1a0c0bfd30949f4b4d
Stop
804b9c87f98a32101b51f26c221e589bc80350b69c163abfab2de64f7e9b3e72
Stop
99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
Stop
a3c074948f5e3d2b89f0035bbf7bd74b1a3ec0525dc1496b4463f55ef15f3521
Stop
b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
Stop
ed8a7ffec56f450a365e758012db092883bbd23565f3f9fbb004c189fb703de3
Stop
+ 393 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Link:
https://tria.ge/reports/210801-9ze6lz4np6/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://shpak125.tumblr.com/
Unpacked files
SH256 hash:
d459f6df74ee30219819b78ba2a514221820baf1897fb6c299587d71f2abd974
MD5 hash:
daa79e7e403deffea26d3537500f1f95
SHA1 hash:
cf33f01bf3b1f053f38f223994c7805002d9ac68
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/4ff487e6-1d19-4ec3-87aa-443b8b0e3fe7/
Parent samples :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 hash:
456079ac17674de342836dee558093a80c9b6fb869b5a7562a615db1bbe1b42d
MD5 hash:
c7b1e94b6c418bc8ebc5e624933460d9
SHA1 hash:
0da68ce254e2bd684ef9c422783ec8b85c66f3c8
Link:
https://www.unpac.me/results/4ff487e6-1d19-4ec3-87aa-443b8b0e3fe7/
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/456079ac17674de342836dee558093a80c9b6fb869b5a7562a615db1bbe1b42d

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:INDICATOR_SUSPICOIUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

File information

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

Web download

Stop

Executable exe 456079ac17674de342836dee558093a80c9b6fb869b5a7562a615db1bbe1b42d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1463721/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/175526/

Comments