MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aff93a8e6265ae3f03f5a2faffb22b720a69e9948de001246cde0c7099ae05f8. 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 5 File information Comments

SHA256 hash: aff93a8e6265ae3f03f5a2faffb22b720a69e9948de001246cde0c7099ae05f8
SHA3-384 hash: 2aca85fddc156e84544682c285176d82652610065c5cfba88bb380fcb7e2bc76da442bf9147bf919bf24d97d6ea697d8
SHA1 hash: 06737287c3efb54280857ed97f4888a9bf10c2d4
MD5 hash: 4df0d4112dd43dab559098daab5a36a5
humanhash: lactose-robert-green-alpha
File name:4df0d4112dd43dab559098daab5a36a5.exe
Download: download sample
Signature Stop
File size:797'184 bytes
First seen:2022-09-08 10:00:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 996ab292099399c5d3a6ea501195e9cf (8 x Smoke Loader, 4 x Stop, 2 x RecordBreaker)
ssdeep 12288:3ULzSGNblGIx3WqoGYewEXJt09SpwMdqbbVikDx0mmw5vZ7Y8j0Zi:klFUIx3YeF5amwMdqbbokTmw5pCZ
Threatray 1'722 similar samples on MalwareBazaar
TLSH T192050110BA80C035F0F752F4557AD3B9B93ABAB19B2855CBA2D117EE46346E4EC3134B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2dec137839939b91 (9 x RedLineStealer, 3 x Stop, 2 x DanaBot)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.202.179.139/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://116.202.179.139/1375 https://threatfox.abuse.ch/ioc/848397/

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4df0d4112dd43dab559098daab5a36a5.exe
Verdict:
Malicious activity
Analysis date:
2022-09-08 10:07:02 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
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 699538 Sample: WPvD49yJOp.exe Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 8 WPvD49yJOp.exe 2->8         started        11 WPvD49yJOp.exe 2->11         started        13 WPvD49yJOp.exe 2->13         started        15 WPvD49yJOp.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Machine Learning detection for dropped file 8->66 68 Injects a PE file into a foreign processes 8->68 17 WPvD49yJOp.exe 19 8->17         started        22 WPvD49yJOp.exe 1 16 11->22         started        24 WPvD49yJOp.exe 12 13->24         started        26 WPvD49yJOp.exe 12 15->26         started        process5 dnsIp6 48 acacaca.org 41.41.255.235, 49745, 80 TE-ASTE-ASEG Egypt 17->48 36 C:\Users\user\...\WPvD49yJOp.exe.oovb (copy), MS-DOS 17->36 dropped 38 C:\Users\user\Desktop\WPvD49yJOp.exe, MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\...\PWZOQIFCAN.xlsx, data 17->40 dropped 46 3 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49732, 49733 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\WPvD49yJOp.exe, PE32 22->42 dropped 44 C:\Users\...\WPvD49yJOp.exe:Zone.Identifier, ASCII 22->44 dropped 28 WPvD49yJOp.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 WPvD49yJOp.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-09-06 19:28:41 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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/test3/get.php
Unpacked files
SH256 hash:
aff93a8e6265ae3f03f5a2faffb22b720a69e9948de001246cde0c7099ae05f8
MD5 hash:
4df0d4112dd43dab559098daab5a36a5
SHA1 hash:
06737287c3efb54280857ed97f4888a9bf10c2d4
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: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