MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c. 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 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c
SHA3-384 hash: cd4c2eee8768df6905e2ae81d2eb633353f3a9a52b68dacb762731977e3beddd1ab399817667838bedfd695b5352b0fa
SHA1 hash: 1119d011dc1e9eb4e07ad2f460f26787a3a29c14
MD5 hash: 47ff102b3b17c3d0d18efa09e2cee04e
humanhash: romeo-london-wolfram-oregon
File name:47ff102b3b17c3d0d18efa09e2cee04e.exe
Download: download sample
Signature Stop
Create hunting rule
File size:850'944 bytes
First seen:2024-04-23 23:40:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3aaa1b88fde88b6f18cce2952dfece3e (2 x Stop, 2 x TeamBot)
ssdeep 12288:iTfc6f4R1506FnTHFEdeRcyg4bmUkxb2vr4f6AYZCQFH7E9:ilf4R06llEdeRlTkgD4f65B7Q
Threatray 1'881 similar samples on MalwareBazaar
TLSH T1B505F10372D1BCA1E367D7328D298AB461EEFCF58E566B5732486E0F18B11A19263F11
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)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 183470c0c6c4c800 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
339
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 04:52:08 UTC
Tags:
loader vodkagats djvu ransomware stop
Link:
https://app.any.run/tasks/e256ba0a-a453-4f13-90b0-dc10bceab0c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 a TCP request to an infection source
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
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/66284710d2fc149e411abe73/reports/66892805-f4d1-45d2-b467-dbe84b576d9b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c
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/28897fc3-dd06-4410-a50b-56391e55b874
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430659
Signature
Antivirus / Scanner detection for submitted sample
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 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 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
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Babuk Ransomware
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: 1430659 Sample: mJVVW85CnW.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 97 sdfjhuz.com 2->97 99 cajgtus.com 2->99 101 2 other IPs or domains 2->101 119 Snort IDS alert for network traffic 2->119 121 Found malware configuration 2->121 123 Malicious sample detected (through community Yara rule) 2->123 125 13 other signatures 2->125 13 mJVVW85CnW.exe 2->13         started        16 mJVVW85CnW.exe 2->16         started        18 mstsca.exe 2->18         started        20 6 other processes 2->20 signatures3 process4 signatures5 149 Detected unpacking (changes PE section rights) 13->149 151 Detected unpacking (overwrites its own PE header) 13->151 153 Writes a notice file (html or txt) to demand a ransom 13->153 161 2 other signatures 13->161 22 mJVVW85CnW.exe 1 17 13->22         started        155 Multi AV Scanner detection for dropped file 16->155 157 Injects a PE file into a foreign processes 16->157 26 mJVVW85CnW.exe 16->26         started        159 Sample uses process hollowing technique 18->159 29 mstsca.exe 18->29         started        31 mJVVW85CnW.exe 20->31         started        33 mJVVW85CnW.exe 20->33         started        35 mstsca.exe 20->35         started        37 3 other processes 20->37 process6 dnsIp7 103 api.2ip.ua 104.21.65.24, 443, 49730, 49731 CLOUDFLARENETUS United States 22->103 69 C:\Users\user\AppData\...\mJVVW85CnW.exe, PE32 22->69 dropped 39 mJVVW85CnW.exe 22->39         started        42 icacls.exe 22->42         started        71 C:\Users\user\_README.txt, ASCII 26->71 dropped 73 C:\Users\user\Desktop73WTVCDUMOB.pdf, data 26->73 dropped 75 C:\Users\user\Desktop\...\IPKGELNTQY.mp3, data 26->75 dropped 77 C:\Users\user\AppData\Local\...\_README.txt, ASCII 26->77 dropped 139 Modifies existing user documents (likely ransomware behavior) 26->139 44 schtasks.exe 29->44         started        file8 signatures9 process10 signatures11 137 Injects a PE file into a foreign processes 39->137 46 mJVVW85CnW.exe 1 26 39->46         started        51 conhost.exe 44->51         started        process12 dnsIp13 109 cajgtus.com 58.151.148.90, 49733, 49734, 49736 POWERVIS-AS-KRLGPOWERCOMMKR Korea Republic of 46->109 111 sdfjhuz.com 190.218.33.18, 49735, 80 CableOndaPA Panama 46->111 89 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 46->89 dropped 91 C:\_README.txt, ASCII 46->91 dropped 93 C:\Users\user\...\wctF86A.tmp.bgzq (copy), MS-DOS 46->93 dropped 95 45 other malicious files 46->95 dropped 113 Tries to harvest and steal browser information (history, passwords, etc) 46->113 115 Infects executable files (exe, dll, sys, html) 46->115 117 Modifies existing user documents (likely ransomware behavior) 46->117 53 build2.exe 46->53         started        56 build3.exe 46->56         started        file14 signatures15 process16 signatures17 127 Writes many files with high entropy 53->127 129 Injects a PE file into a foreign processes 53->129 58 build2.exe 53->58         started        131 Detected unpacking (changes PE section rights) 56->131 133 Detected unpacking (overwrites its own PE header) 56->133 135 Uses schtasks.exe or at.exe to add and modify task schedules 56->135 63 build3.exe 56->63         started        process18 dnsIp19 105 95.217.9.149, 443, 49738, 49739 HETZNER-ASDE Germany 58->105 107 steamcommunity.com 104.106.57.101, 443, 49737 AKAMAI-ASUS United States 58->107 79 C:\Users\user\AppData\...\softokn3[1].dll, PE32 58->79 dropped 81 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 58->81 dropped 83 C:\Users\user\AppData\...\mozglue[1].dll, PE32 58->83 dropped 87 11 other files (3 malicious) 58->87 dropped 141 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 58->141 143 Found many strings related to Crypto-Wallets (likely being stolen) 58->143 145 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 58->145 147 4 other signatures 58->147 85 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 63->85 dropped 65 schtasks.exe 63->65         started        file20 signatures21 process22 process23 67 conhost.exe 65->67         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c/
Threat name:
Win32.Trojan.InstaBot
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 23:41:06 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xs5oyisf4aentc3lrik526akvty3hl56hwxwquepjcs6glrihqoa._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
53193f424f55572d6c57e1efc0d9afbce1fb8d2e09de0669bc230c34dccd330d
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
946e4a86f1cb22fab17f7e3a9a0422421e781b99357436e816ddb00e5154ed48
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a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
+ 1'871 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/240423-3pesjach83/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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/test2/get.php
Unpacked files
SH256 hash:
18f3120c547c3568ab79e3762b4f3112f6f8c5024c35e6f3a2b43242191ce91d
MD5 hash:
0219f65aec5c3d049d69e9741fabf37a
SHA1 hash:
77f19519bd90bbed0da7eaea1ba74f67d51e84fc
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/d57e7739-58df-4036-a2bd-9d5b4692f13c/
Parent samples :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 hash:
bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c
MD5 hash:
47ff102b3b17c3d0d18efa09e2cee04e
SHA1 hash:
1119d011dc1e9eb4e07ad2f460f26787a3a29c14
Link:
https://www.unpac.me/results/d57e7739-58df-4036-a2bd-9d5b4692f13c/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bcbaec2245e0/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/bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c

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:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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_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 bcbaec2245e008d98b6b8a15dd780aacf1b3afbe3daf68508f48a5e32e283c1c

(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::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments