MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e6e0305aa0332bf6a2e88eb9b260630f7d32f957c49cbc00f8ce3fbbc0343ad. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 4e6e0305aa0332bf6a2e88eb9b260630f7d32f957c49cbc00f8ce3fbbc0343ad
SHA3-384 hash: 3bee001f8dc58543b2f23e29df5d4813ed76e60b80c138ebbc19295ab7a2a17a7b6be6c11d63cfd997b73338fd104ba2
SHA1 hash: a762f264caad39a2712914ce509650739dea9157
MD5 hash: 9dda734cbe591d562dbdef983cf24955
humanhash: alanine-paris-nuts-skylark
File name:4e6e0305aa0332bf6a2e88eb9b260630f7d32f957c49cbc00f8ce3fbbc0343ad
Download: download sample
Signature Stop
File size:775'680 bytes
First seen:2022-03-28 06:11:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 735da9a9481485b877f3f63ad0c0f935 (3 x Stop, 2 x RedLineStealer, 1 x ArkeiStealer)
ssdeep 12288:UBtynse2tSfK5Oy7/8R2Ni3g1L1tnaoV0tTLUbZL8T97W9wb/QVu:UXynseySGOypNRriEF8T1Nb/QVu
Threatray 952 similar samples on MalwareBazaar
TLSH T141F423036FD1BCB8C89093F6B9D587F3217AA6720276ECC3A64907580FB51D6A1E9347
File icon (PE):PE icon
dhash icon 5c599a3ce0c1c850 (36 x RedLineStealer, 27 x Stop, 21 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
191
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
MeasuringTime
SystemUptime
EvasionGetTickCount
CheckCmdLine
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.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found 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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598308 Sample: TBRB5O63lX Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 5 other signatures 2->62 8 TBRB5O63lX.exe 2->8         started        11 TBRB5O63lX.exe 2->11         started        13 TBRB5O63lX.exe 2->13         started        15 TBRB5O63lX.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Machine Learning detection for dropped file 8->68 70 Injects a PE file into a foreign processes 8->70 17 TBRB5O63lX.exe 18 8->17         started        72 Contains functionality to inject code into remote processes 11->72 22 TBRB5O63lX.exe 1 16 11->22         started        24 TBRB5O63lX.exe 12 13->24         started        26 TBRB5O63lX.exe 12 15->26         started        process5 dnsIp6 48 fuyt.org 181.31.125.253, 49781, 80 TelecomArgentinaSAAR Argentina 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\TBRB5O63lX.exe.kxde (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\TBRB5O63lX.exe, MS-DOS 17->40 dropped 46 3 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.218.244, 443, 49761, 49771 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\TBRB5O63lX.exe, PE32 22->42 dropped 44 C:\Users\...\TBRB5O63lX.exe:Zone.Identifier, ASCII 22->44 dropped 28 TBRB5O63lX.exe 22->28         started        31 icacls.exe 22->31         started        52 192.168.2.1 unknown unknown 24->52 file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 TBRB5O63lX.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Threat name:
Win32.Trojan.Raccrypt
Status:
Malicious
First seen:
2022-03-25 00:49:29 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
33 of 42 (78.57%)
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:
bead36293b2d4e55e4533c8bebf21acad2d6b2753bdfe6d646dbb8467175c9cf
MD5 hash:
a6a7cc843bef3bfdb7deddde5714b079
SHA1 hash:
26bd02e427a4de78d19b6eb99393b81d47520e25
Detections:
win_stop_auto
SH256 hash:
4e6e0305aa0332bf6a2e88eb9b260630f7d32f957c49cbc00f8ce3fbbc0343ad
MD5 hash:
9dda734cbe591d562dbdef983cf24955
SHA1 hash:
a762f264caad39a2712914ce509650739dea9157
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: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.
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