MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336. 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: 17


Intelligence 17 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336
SHA3-384 hash: cda21bfd3e3987e58190a217ddf15dd72203e6d6f6d9a2880b84ea837a8f6a013b41afbd0082c4509cf36ba72c3cd222
SHA1 hash: f78c7d18f72efff57491926d5748706566827eb4
MD5 hash: d938eea3995975254eb0d6fd7a86eab2
humanhash: carolina-twelve-grey-hot
File name:d938eea3995975254eb0d6fd7a86eab2.exe
Download: download sample
Signature Stop
Create hunting rule
File size:840'192 bytes
First seen:2024-03-18 14:10:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 57736d727b019d98ef28404f91500352 (2 x Stop, 1 x Stealc)
ssdeep 12288:pygE4bTnwRtA+aLzzRFVuRWRUgOTtaEoKWneqxoJ/tbJpg3puHfsfk2+uDuzt:0xRtA+giPgOpaEoPxyRJpgZ0EQuDuz
Threatray 2'168 similar samples on MalwareBazaar
TLSH T16905F08325E1EC75E95603314E2D99DC372FBC62AE21479733742E0E68B12A0DEB7761
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 001ce1a0cab6b288 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://sajdfue.com/test2/get.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
402
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 14:14:49 UTC
Tags:
loader vodkagats ransomware stop djvu
Link:
https://app.any.run/tasks/71f99c5a-4240-4639-92ce-61bc1b6ccb9d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
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
DNS request
Connection attempt
Searching for synchronization primitives
Moving a file to the Program Files subdirectory
Replacing files
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint packed
Link:
https://www.filescan.io/uploads/65f84b80204403ca94d5db5e/reports/fee4472a-ae28-47a3-8152-3cfb30ae1d4d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336
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/4a00b23c-b847-4ad7-9ca8-07577ba1f46d
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1411050
Signature
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
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1411050 Sample: T2G4Yk1mKa.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 55 sdfjhuz.com 2->55 57 sajdfue.com 2->57 59 api.2ip.ua 2->59 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 8 other signatures 2->73 9 T2G4Yk1mKa.exe 2->9         started        12 T2G4Yk1mKa.exe 2->12         started        14 T2G4Yk1mKa.exe 2->14         started        16 T2G4Yk1mKa.exe 2->16         started        signatures3 process4 signatures5 83 Detected unpacking (changes PE section rights) 9->83 85 Detected unpacking (overwrites its own PE header) 9->85 87 Writes a notice file (html or txt) to demand a ransom 9->87 95 2 other signatures 9->95 18 T2G4Yk1mKa.exe 1 17 9->18         started        89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 22 T2G4Yk1mKa.exe 15 12->22         started        25 T2G4Yk1mKa.exe 14->25         started        27 T2G4Yk1mKa.exe 16->27         started        process6 dnsIp7 61 api.2ip.ua 104.21.65.24, 443, 49729, 49730 CLOUDFLARENETUS United States 18->61 39 C:\Users\user\AppData\...\T2G4Yk1mKa.exe, PE32 18->39 dropped 29 T2G4Yk1mKa.exe 18->29         started        32 icacls.exe 18->32         started        41 C:\Users\user\_README.txt, ASCII 22->41 dropped 43 C:\Users\user\Desktop43WTVCDUMOB.mp3, data 22->43 dropped 45 C:\Users\user\AppData\Local\...\_README.txt, ASCII 22->45 dropped 81 Modifies existing user documents (likely ransomware behavior) 22->81 file8 signatures9 process10 signatures11 97 Injects a PE file into a foreign processes 29->97 34 T2G4Yk1mKa.exe 1 23 29->34         started        process12 dnsIp13 63 sajdfue.com 190.12.87.61, 49732, 49733, 80 OPTICALTECHNOLOGIESSACPE Peru 34->63 65 sdfjhuz.com 95.107.163.44, 49734, 80 ASC-AL-ASAL Albania 34->65 47 C:\Users\user\AppData\Local\...\build2.exe, PE32 34->47 dropped 49 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 34->49 dropped 51 C:\_README.txt, ASCII 34->51 dropped 53 43 other malicious files 34->53 dropped 75 Tries to harvest and steal browser information (history, passwords, etc) 34->75 77 Infects executable files (exe, dll, sys, html) 34->77 79 Modifies existing user documents (likely ransomware behavior) 34->79 file14 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-18 14:11:06 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7q4im26ixdfle7ssj2czfqmf2odwiyft6pg2p7sekj3mb5g74m3a._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
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6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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8df072a5fdd3d744912ffd65970e0b8ed9d98ccb234f023a1e81fdfaed81b8f2
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Stop
+ 2'158 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:95002d0a9d65ffced363a8f35f42a529 discovery persistence ransomware stealer
Link:
https://tria.ge/reports/240318-rg9gdsbc7z/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Detect Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://sajdfue.com/test2/get.php
https://steamcommunity.com/profiles/76561199654112719
https://t.me/r2d0s
Unpacked files
SH256 hash:
cc108ceb11cc0a7fa5968f0ad93088ac5225dc36180b4369532b891442909b4d
MD5 hash:
e94c7d84af64aa7ee9dc7ceaa26fa360
SHA1 hash:
541d8013bf52e9db4bb65cc39d7c5cae96fd6497
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/e1dc48f2-4a25-4ca6-96fb-c603018637a3/
Parent samples :
8df072a5fdd3d744912ffd65970e0b8ed9d98ccb234f023a1e81fdfaed81b8f2
fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336
caeecccfee0962fbe3d4fb4ab336bf3d1230b12ad0821ff66f7a2cabc289c954
6aca49f129d7eb89f198149671cfa552ddfbbc5dc40039dbadadcb7158431d61
bf586230320fd2bb84f1173e01abbe304392579b55e1f321ce5f60fec7087f14
dc4c90ff7afc701b97de256780991a61a922c3c28c4e1e478793c5b42053dd5d
SH256 hash:
fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336
MD5 hash:
d938eea3995975254eb0d6fd7a86eab2
SHA1 hash:
f78c7d18f72efff57491926d5748706566827eb4
Link:
https://www.unpac.me/results/e1dc48f2-4a25-4ca6-96fb-c603018637a3/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc38866bc8b8/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/fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336

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:Check_Dlls
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:Windows_Generic_Threat_c374cd85
Create hunting rule
Author:Elastic Security
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
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 fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2786048/
  
Delivery method
Distributed via web download

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::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasA
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen
WIN_USER_APIPerforms GUI ActionsUSER32.dll::ActivateKeyboardLayout

Comments