MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1. 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 YARA 10 File information Comments

SHA256 hash: a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1
SHA3-384 hash: 23ba732febb47583831626498c90e26339c650900f91620970f234d2aab0522f73a07bc37d129bb1d2fce7dcf593a742
SHA1 hash: ddd07e252e09cfffa274c260418183a87beb332a
MD5 hash: 8324fafaca72374d01eed1b274791ba3
humanhash: lion-twenty-paris-salami
File name:a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1
Download: download sample
Signature Stop
File size:799'744 bytes
First seen:2022-03-25 08:51:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23045326ea026251d166eab8c6541ebc (2 x Stop)
ssdeep 12288:Q+gMexAdpVj8UhYGsK/3Pf2QEKWjRZoir5o+/AVKoZo+IWeFfCk3vvg07:NgMekDPoXOiJoVhtsfCk3vv57
Threatray 918 similar samples on MalwareBazaar
TLSH T1550523233A92C072D07B6534847CE7B19B3EB6339E7189867B091B7D1FA11C1973A74A
File icon (PE):PE icon
dhash icon 4839b234e8c18890 (3 x ArkeiStealer, 2 x RedLineStealer, 2 x RaccoonStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
SystemUptime
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596929 Sample: lHjYy7c9I9 Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 3 other signatures 2->60 8 lHjYy7c9I9.exe 2->8         started        11 lHjYy7c9I9.exe 2->11         started        13 lHjYy7c9I9.exe 2->13         started        15 lHjYy7c9I9.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 lHjYy7c9I9.exe 18 8->17         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 70 Contains functionality to inject code into remote processes 11->70 22 lHjYy7c9I9.exe 12 11->22         started        24 lHjYy7c9I9.exe 1 16 13->24         started        26 lHjYy7c9I9.exe 12 15->26         started        process5 dnsIp6 48 fuyt.org 180.69.193.102, 49781, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\lHjYy7c9I9.exe.bpqd (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\lHjYy7c9I9.exe, MS-DOS 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 162.0.218.244, 443, 49769, 49774 ACPCA Canada 24->50 42 C:\Users\user\AppData\...\lHjYy7c9I9.exe, PE32 24->42 dropped 44 C:\Users\...\lHjYy7c9I9.exe:Zone.Identifier, ASCII 24->44 dropped 28 lHjYy7c9I9.exe 24->28         started        31 icacls.exe 24->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 lHjYy7c9I9.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Trojan.Raccoon
Status:
Malicious
First seen:
2022-03-13 05:47:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu ransomware
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1
MD5 hash:
8324fafaca72374d01eed1b274791ba3
SHA1 hash:
ddd07e252e09cfffa274c260418183a87beb332a
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:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments