MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a48b6d332435fc6309ac14233badd268690ef1a55b38432394c2fcca0941fda5. 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: 15


Intelligence 15 IOCs 1 YARA 6 File information Comments

SHA256 hash: a48b6d332435fc6309ac14233badd268690ef1a55b38432394c2fcca0941fda5
SHA3-384 hash: fd30636d18eadd8caac73efc3094fd14d5b913ab3c2742fb83e293e535fff1c533a6f5f663d5e5d7dbee2b1372068e00
SHA1 hash: 33ed5dda36973dbe517d1e5016d6a06ec6cf82cb
MD5 hash: 4653c7c009befc6d2fc5d13c5bb167f7
humanhash: zulu-sad-december-kentucky
File name:4653c7c009befc6d2fc5d13c5bb167f7.exe
Download: download sample
Signature Stop
File size:851'456 bytes
First seen:2022-08-07 14:35:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e24cc85af3e94883de4009f1b8299b9 (3 x Stop, 1 x Smoke Loader, 1 x RedLineStealer)
ssdeep 24576:8/XYb86lvRlla7V8Vs/uXAf3/7RoeW7N9:8NcZLWikJ//7See/
TLSH T177050110BB80D435F5B362F44A3A83B8B93E7D91672555CF62E92AEA07346E1EC30357
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon badacabecee6baa6 (95 x Stop, 87 x RedLineStealer, 62 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://198.251.89.30/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://198.251.89.30/1375 https://threatfox.abuse.ch/ioc/841793/

Intelligence


File Origin
# of uploads :
1
# of downloads :
421
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4653c7c009befc6d2fc5d13c5bb167f7.exe
Verdict:
Malicious activity
Analysis date:
2022-08-07 14:36:18 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
Sending a custom TCP request
Searching for synchronization primitives
Query of malicious DNS domain
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed wacatac
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
Verdict:
Malicious
Result
Threat name:
Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
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 domain / URL
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 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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680027 Sample: da5dINQkNa.exe Startdate: 07/08/2022 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 10 other signatures 2->78 10 da5dINQkNa.exe 2->10         started        13 da5dINQkNa.exe 2->13         started        15 da5dINQkNa.exe 2->15         started        17 da5dINQkNa.exe 2->17         started        process3 signatures4 90 Writes many files with high entropy 10->90 92 Injects a PE file into a foreign processes 10->92 19 da5dINQkNa.exe 1 16 10->19         started        94 Sample uses process hollowing technique 13->94 23 da5dINQkNa.exe 13->23         started        25 da5dINQkNa.exe 12 15->25         started        27 da5dINQkNa.exe 12 17->27         started        process5 dnsIp6 64 api.2ip.ua 162.0.217.254, 443, 49757, 49759 ACPCA Canada 19->64 66 192.168.2.1 unknown unknown 19->66 54 C:\Users\...\da5dINQkNa.exe:Zone.Identifier, ASCII 19->54 dropped 56 C:\Users\user\AppData\...\da5dINQkNa.exe, MS-DOS 19->56 dropped 29 da5dINQkNa.exe 19->29         started        32 icacls.exe 19->32         started        file7 process8 signatures9 102 Injects a PE file into a foreign processes 29->102 34 da5dINQkNa.exe 1 20 29->34         started        process10 dnsIp11 58 acacaca.org 115.88.24.202, 49760, 49762, 49763 LGDACOMLGDACOMCorporationKR Korea Republic of 34->58 60 rgyui.top 211.171.233.126, 49761, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 34->60 62 api.2ip.ua 34->62 46 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 34->46 dropped 48 C:\Users\user\AppData\Local\...\build2.exe, PE32 34->48 dropped 50 C:\_readme.txt, ASCII 34->50 dropped 52 44 other files (40 malicious) 34->52 dropped 80 Modifies existing user documents (likely ransomware behavior) 34->80 39 build2.exe 34->39         started        file12 signatures13 process14 signatures15 82 Multi AV Scanner detection for dropped file 39->82 84 Detected unpacking (creates a PE file in dynamic memory) 39->84 86 Machine Learning detection for dropped file 39->86 88 Injects a PE file into a foreign processes 39->88 42 build2.exe 39->42         started        process16 dnsIp17 68 t.me 149.154.167.99, 443, 49767 TELEGRAMRU United Kingdom 42->68 70 198.251.89.30, 49768, 80 PONYNETUS United States 42->70 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->96 98 Tries to harvest and steal browser information (history, passwords, etc) 42->98 100 Tries to steal Crypto Currency Wallets 42->100 signatures18
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-08-06 05:43:02 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
30 of 39 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test2/get.php
Unpacked files
SH256 hash:
793df5eba531861660a3be8dde96001b9993a40a0d11a8ebcaadf8b58c72e75b
MD5 hash:
b14efbd2d64673f33a7ac28c484b0548
SHA1 hash:
af101e33eb3deb9306c70c79ddbc6e3964150801
Detections:
win_stop_auto
SH256 hash:
a48b6d332435fc6309ac14233badd268690ef1a55b38432394c2fcca0941fda5
MD5 hash:
4653c7c009befc6d2fc5d13c5bb167f7
SHA1 hash:
33ed5dda36973dbe517d1e5016d6a06ec6cf82cb
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
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.

Comments