MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d992557f91aed01868636656b536282273feea15fc95f3bf4a42f4b7443fa77. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7d992557f91aed01868636656b536282273feea15fc95f3bf4a42f4b7443fa77
SHA3-384 hash: 8f40e1404bfe6ae7a035225100097f732c980965c14f815bb4c8636ff2f19025a0a30034e8fe166c2844456c52092be3
SHA1 hash: 2da6c984afd17193ba7aae3d554e44aebda4cc14
MD5 hash: 8040071b467298ae58dc7adc5b58a2e2
humanhash: network-minnesota-orange-missouri
File name:8040071b467298ae58dc7adc5b58a2e2.exe
Download: download sample
Signature Stop
Create hunting rule
File size:824'320 bytes
First seen:2021-09-25 06:49:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 968069613992074265463fec272c56c9 (15 x RedLineStealer, 6 x RaccoonStealer, 2 x Tofsee)
ssdeep 12288:YhfukjqzlcLA/VxL4SNnTADyQtNjR78TlJMcSK2TSXR47nrjfVU8+PbGb:ij8l74SdnWNjRcnC6228Mba
Threatray 716 similar samples on MalwareBazaar
TLSH T14B05023063E0C039F0B712F659BA97BAA52D79B1AB2451CB93D257EB4634AE4DC30347
File icon (PE):PE icon
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8040071b467298ae58dc7adc5b58a2e2.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-25 06:55:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/345cbe3f-bd6c-4727-ad90-ec9cf385b7ee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/191318/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.25286.24208.29756.UNOFFICIAL
Create hunting rule

Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de8a1ec0-bb65-4caa-8b8c-0a89377756b0
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/857774
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
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 submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 490205 Sample: 1wiBg3rNF8.exe Startdate: 25/09/2021 Architecture: WINDOWS Score: 100 38 159.69.203.58, 49743, 80 HETZNER-ASDE Germany 2->38 40 mas.to 88.99.75.82, 443, 49742 HETZNER-ASDE Germany 2->40 42 2 other IPs or domains 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 9 other signatures 2->60 9 1wiBg3rNF8.exe 2->9         started        12 1wiBg3rNF8.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (overwrites its own PE header) 9->62 64 Contains functionality to inject code into remote processes 9->64 66 Writes many files with high entropy 9->66 14 1wiBg3rNF8.exe 1 17 9->14         started        68 Injects a PE file into a foreign processes 12->68 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49734, 49735 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\1wiBg3rNF8.exe:Zone.Identifier, ASCII 14->36 dropped 18 1wiBg3rNF8.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 1wiBg3rNF8.exe 1 25 18->23         started        process11 dnsIp12 44 wrrst.top 189.232.18.171, 49737, 49739, 80 UninetSAdeCVMX Mexico 23->44 46 securebiz.org 175.126.109.15, 49736, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 23->46 48 api.2ip.ua 23->48 28 C:\Users\user\AppData\Local\...\MSIMGSIZ.DAT, COM 23->28 dropped 30 C:\Users\user\AppData\Local\...\build3.exe, PE32 23->30 dropped 32 C:\Users\user\AppData\Local\...\build2.exe, PE32 23->32 dropped 34 150 other files (127 malicious) 23->34 dropped 70 Infects executable files (exe, dll, sys, html) 23->70 72 Modifies existing user documents (likely ransomware behavior) 23->72 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7d992557f91aed01868636656b536282273feea15fc95f3bf4a42f4b7443fa77/
Threat name:
Win32.Trojan.Racealer
Create hunting rule
Status:
Malicious
First seen:
2021-09-24 21:13:23 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pwmskv7zdlwqdbuggzswwu3cqitt73vbl7ev6o7uuqxuw5cd7j3q._file
Verdict:
malicious
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44f6676314c6c50f2807f34a33335abd58ca254f95c213496205825257f7b4d6
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+ 706 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/210925-hl4x2aaefq/
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
Detected Djvu ransomware
Djvu Ransomware
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
Unpacked files
SH256 hash:
52abed372fef8c6f6d2f618af456f01bb7840f6a20aeeac882e72f751e8c6c0b
MD5 hash:
0419ceafccad7b4aeeff524530093486
SHA1 hash:
89f265a3036b5642319c49b4f9f89defcc2617ad
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/e4fad5ee-f3ff-4268-8f1e-3fe307f678d1/
Parent samples :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 hash:
7d992557f91aed01868636656b536282273feea15fc95f3bf4a42f4b7443fa77
MD5 hash:
8040071b467298ae58dc7adc5b58a2e2
SHA1 hash:
2da6c984afd17193ba7aae3d554e44aebda4cc14
Link:
https://www.unpac.me/results/e4fad5ee-f3ff-4268-8f1e-3fe307f678d1/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7d992557f91a/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/7d992557f91aed01868636656b536282273feea15fc95f3bf4a42f4b7443fa77

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_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_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:SUSP_XORed_URL_in_EXE_RID2E46
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
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information

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

Web download

Stop

Executable exe 7d992557f91aed01868636656b536282273feea15fc95f3bf4a42f4b7443fa77

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/191318/
  
URLhaus
https://urlhaus.abuse.ch/url/1463721/
  
Delivery method
Distributed via web download

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