MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1
SHA3-384 hash: be2f24a04c19571e25284265dfa4d09a2734c432c07ce83ce7efa4b047c5e20d4e44b2dd912b2942cfae6c4a894b83fc
SHA1 hash: 61d97f8da20ff2995890ce5f2c8a2c9e6e51c078
MD5 hash: d7528cd33b73718b5949277420681f90
humanhash: football-floor-whiskey-two
File name:file
Download: download sample
Signature Stop
Create hunting rule
File size:746'496 bytes
First seen:2024-08-09 08:47:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0e02f2783b58059fb828111a17212082 (2 x Smoke Loader, 1 x Stop)
ssdeep 12288:koywWrwlTyC9yR+xBP4wMpAuhjH8/Hl19KKjNgzqE0CM6EpJMwk:PlTX9Xj4w+hbM1/g2kM
Threatray 1'669 similar samples on MalwareBazaar
TLSH T1A2F412557940E0B1CC4F87B69A16E5B0A61CBC6287B2F96F7284F7BF28332E05D1A345
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 92716d4cf4c4d4c4 (22 x Smoke Loader, 5 x Stealc, 1 x Tofsee)
Reporter Bitsight
Tags:exe Stop


Avatar
Bitsight
url: http://147.45.44.104/prog/66ae9cc050ded_file0308.exe#fileotr

Intelligence

File Origin
# of uploads :
1
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-09 08:53:38 UTC
Tags:
evasion ransomware stop djvu
Link:
https://app.any.run/tasks/969669af-ec1f-437e-9fec-0a24e2af2ed1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Smokeloader-10033583-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b5d789aa5b40be0a9fe84c
Tags:
Execution Infostealer Network Ransomware Stealth Malware Stop
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed smokeloader
Link:
https://www.filescan.io/uploads/66b5d78f9d37dfa04d268128/reports/43f78da1-bcf9-4f41-bdec-ececeb316c7f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1
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/6aa6b44a-1143-43c0-8ffd-0600d6b60ba5
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1490493
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
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 dropped file
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1490493 Sample: file.exe Startdate: 09/08/2024 Architecture: WINDOWS Score: 100 48 cajgtus.com 2->48 50 api.2ip.ua 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 8 other signatures 2->62 9 file.exe 2->9         started        12 file.exe 2->12         started        14 file.exe 2->14         started        16 file.exe 2->16         started        signatures3 process4 signatures5 66 Antivirus detection for dropped file 9->66 68 Multi AV Scanner detection for dropped file 9->68 70 Detected unpacking (changes PE section rights) 9->70 78 2 other signatures 9->78 18 file.exe 19 9->18         started        72 Detected unpacking (overwrites its own PE header) 12->72 74 Contains functionality to inject code into remote processes 12->74 76 Injects a PE file into a foreign processes 12->76 23 file.exe 1 17 12->23         started        25 file.exe 13 14->25         started        27 file.exe 13 16->27         started        process6 dnsIp7 52 cajgtus.com 58.151.148.90, 64820, 80 POWERVIS-AS-KRLGPOWERCOMMKR Korea Republic of 18->52 36 C:\Users\user\_readme.txt, ASCII 18->36 dropped 38 C:\Users\user\Desktop\file.exe.watz (copy), MS-DOS 18->38 dropped 40 C:\Users\user\Desktop\file.exe, MS-DOS 18->40 dropped 46 4 other malicious files 18->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 18->64 54 api.2ip.ua 188.114.97.3, 443, 49730, 49736 CLOUDFLARENETUS European Union 23->54 42 C:\Users\user\AppData\Local\...\file.exe, PE32 23->42 dropped 44 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 23->44 dropped 29 file.exe 23->29         started        32 icacls.exe 23->32         started        file8 signatures9 process10 signatures11 80 Injects a PE file into a foreign processes 29->80 34 file.exe 13 29->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-08-04 01:38:21 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hogqo2j6ffvo4nxhmb6hcub5tajzniq3gz7bnekgv7oqklg46tiq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'659 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/240809-k5d7tsyfpp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://cajgtus.com/test1/get.php
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9b68d7f4-e016-4036-b70c-8d89ab462122
Unpacked files
SH256 hash:
cbeb7eeb2ba0e370efa87676217c68f0de0067a465d4d0b422d78ddb3168ec1e
MD5 hash:
5230bc2f8f129c1cdcaa87821ef38b6d
SHA1 hash:
94c4e81a6d6ed0bc98ed7448cf60c3d2142ef32e
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_STOP
Create hunting rule
Link:
https://www.unpac.me/results/9b6745ac-4c00-478d-aed7-c8a8dceafee0/
Parent samples :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 hash:
3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1
MD5 hash:
d7528cd33b73718b5949277420681f90
SHA1 hash:
61d97f8da20ff2995890ce5f2c8a2c9e6e51c078
Link:
https://www.unpac.me/results/9b6745ac-4c00-478d-aed7-c8a8dceafee0/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b8d07693e29/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/3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1

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
Rule name:DebuggerHiding__Active
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

Stop

Executable exe 3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3097070/
  
URLhaus
https://urlhaus.abuse.ch/url/3097296/
  
URLhaus
https://urlhaus.abuse.ch/url/3097387/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

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