MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1
SHA3-384 hash: dfaf3856b7abaf02bb1939abe6d20b23e366e03e94d1fc4e4f3f33bdc531acf0779806d75c22687eb61cc140e8386e1f
SHA1 hash: 265fed5ff6b857afde0cf0ab9d85504318b74b91
MD5 hash: a8fffd09a3f66b8886dff9285f5201f9
humanhash: mississippi-aspen-lemon-zulu
File name:bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1
Download: download sample
Signature Stop
Create hunting rule
File size:830'464 bytes
First seen:2022-03-28 06:16:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 31ff0fcf24c663417943c5927af948dc (3 x RedLineStealer, 1 x RaccoonStealer, 1 x Smoke Loader)
ssdeep 12288:MjIUeFVSU6kVHNq1OVbLDQF4yLJFdQkdnVrJ/7BmpanZ5zuFbJxdrBZfuDmWOlHn:D7VokQSHEyoFb9X6F9nupORpcz
Threatray 953 similar samples on MalwareBazaar
TLSH T12F050150B7A0D03DE4B342F87976C36DA82E79B19B6151CB32862BEE57346D0ECB1247
File icon (PE):PE icon
dhash icon b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258394/
Detection(s):
Win.Dropper.Generickdz-9939781-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11714/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/624152ec9253b276b78c885a/reports/d8fe2650-dff8-4dec-8436-f3a96aec32e6/overview
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28e9c7e8-a304-4e3c-9b59-dc0979054237
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965553
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Possible FUD Crypter (malicious underground PE packer) detected
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)
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
Tries to steal Mail credentials (via file / registry access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598033 Sample: PKQaH5HUSk Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 12 other signatures 2->95 12 PKQaH5HUSk.exe 2->12         started        15 PKQaH5HUSk.exe 2->15         started        17 PKQaH5HUSk.exe 2->17         started        19 PKQaH5HUSk.exe 2->19         started        process3 signatures4 103 Possible FUD Crypter (malicious underground PE packer) detected 12->103 105 Contains functionality to inject code into remote processes 12->105 107 Writes many files with high entropy 12->107 21 PKQaH5HUSk.exe 1 16 12->21         started        109 Injects a PE file into a foreign processes 15->109 25 PKQaH5HUSk.exe 12 15->25         started        27 PKQaH5HUSk.exe 12 17->27         started        29 PKQaH5HUSk.exe 19->29         started        process5 dnsIp6 83 api.2ip.ua 162.0.218.244, 443, 49763, 49764 ACPCA Canada 21->83 65 C:\Users\...\PKQaH5HUSk.exe:Zone.Identifier, ASCII 21->65 dropped 67 C:\Users\user\AppData\...\PKQaH5HUSk.exe, MS-DOS 21->67 dropped 31 PKQaH5HUSk.exe 21->31         started        34 icacls.exe 21->34         started        85 192.168.2.1 unknown unknown 25->85 file7 process8 signatures9 119 Injects a PE file into a foreign processes 31->119 36 PKQaH5HUSk.exe 1 22 31->36         started        process10 dnsIp11 77 fuyt.org 109.102.255.230, 49765, 49767, 80 RTDBucharestRomaniaRO Romania 36->77 79 zerit.top 31.166.126.91, 49766, 80 MOBILY-ASEtihadEtisalatCompanyMobilySA Saudi Arabia 36->79 81 api.2ip.ua 36->81 57 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->57 dropped 59 C:\_readme.txt, ASCII 36->59 dropped 61 C:\Users\...\SmartScreenCache.dat.uigd (copy), data 36->61 dropped 63 39 other files (37 malicious) 36->63 dropped 97 Infects executable files (exe, dll, sys, html) 36->97 99 Modifies existing user documents (likely ransomware behavior) 36->99 41 build2.exe 36->41         started        file12 signatures13 process14 signatures15 101 Injects a PE file into a foreign processes 41->101 44 build2.exe 41->44         started        process16 dnsIp17 87 5.252.21.17, 49777, 80 FIRSTDC-ASRU Russian Federation 44->87 69 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 44->69 dropped 71 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 44->71 dropped 73 C:\Users\user\AppData\...\mozglue[1].dll, PE32 44->73 dropped 75 9 other files (none is malicious) 44->75 dropped 111 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->111 113 Tries to steal Mail credentials (via file / registry access) 44->113 115 Tries to harvest and steal browser information (history, passwords, etc) 44->115 117 Tries to steal Crypto Currency Wallets 44->117 49 cmd.exe 44->49         started        file18 signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-03-20 03:52:05 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6o7bwj5updn5jeedhlbm37sndy5ge6krfkirwkmrkvl34uethaq._file
Verdict:
malicious
Similar samples:
44112b6d303c7df1528b55525872fef0f08de8c2a467f8e4d3b820f634f1f2c2
Stop
80cdfc120b7824e7cb5b34fc9ab1b6b43b84dfb435fd8f3e681ad4ae0ebd41de
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8435fa985a445994ae3b8134721302ecd6dbfa29d1052eb8471721649ab1b522
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a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1
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de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e
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f2e3fa89c1a2c72ea78c4d32446221c08b30c7c3363f8248f04aa9eee2e15c70
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+ 943 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu ransomware
Link:
https://tria.ge/reports/220328-g12ksageh6/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
9b60539b8dff99120d6a96b8ec89300375004fd822f2b5c859a7292f2fafc63b
MD5 hash:
21efd6d352c3ae16ce7d026a366ba929
SHA1 hash:
95e8a7dd52636bb727f64e6ddab718269869a5da
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/49a9ab41-a493-4890-9de8-75a121c412de/
Parent samples :
886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61
b981a1b3db85e9ae44a79f66ecbced67088bda1089fe799d0bcb8dc7c7882b59
3dd9722663e0f1a7ee9e7882246efdfceff547413e6a92fba8bffe0ccaf6a0ba
bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1
61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353
df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05
e5d9f02670d27c81762ca962c07dc4b8f3daf4085bfbe77a60d450f3f61684b0
17162c71ce2d80958f522db0120136fb4dd06e3a6d39052bb2a582af82e2dac7
SH256 hash:
bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1
MD5 hash:
a8fffd09a3f66b8886dff9285f5201f9
SHA1 hash:
265fed5ff6b857afde0cf0ab9d85504318b74b91
Link:
https://www.unpac.me/results/49a9ab41-a493-4890-9de8-75a121c412de/
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/bf9df0d93da3c6dea48419d6166ff268f1d313ca895488d94c8aaabdf28499c1

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
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:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/258394/

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