MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a99a1a9ca6806129474df9b8c64a074a3fcc15b67d43b5ab68e516001e2a132. 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: 8a99a1a9ca6806129474df9b8c64a074a3fcc15b67d43b5ab68e516001e2a132
SHA3-384 hash: 6215c2c5af553878229d78b904514255cecb55e3e5e70c152d059ca2c88e34c2019fa5b958b86482733699210ef5dc6e
SHA1 hash: ae61f24dc65aedf461de8f746d3ab454ab684ed1
MD5 hash: 94de82361e14427c5a6064cdb8728081
humanhash: pasta-neptune-blossom-lima
File name:8a99a1a9ca6806129474df9b8c64a074a3fcc15b67d43b5ab68e516001e2a132
Download: download sample
Signature Stop
File size:833'536 bytes
First seen:2022-03-30 05:56:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e5c179e1f9502263973e4310e0826274 (5 x Stop, 2 x RedLineStealer)
ssdeep 24576:+I36mfBljbR6SRh6kmpfkoJvVUPy+/dbR:j36mfXMSRYfkevwLp
Threatray 1'099 similar samples on MalwareBazaar
TLSH T1BB0512617A91C732D250523D9C31EEB45A7FFC7058108A873BB83718BD37692A9A634F
File icon (PE):PE icon
dhash icon 480c1c4c4f594b14 (172 x Smoke Loader, 134 x RedLineStealer, 98 x Amadey)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
185
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
Searching for synchronization primitives
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
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.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Trojan.Strab
Status:
Malicious
First seen:
2022-03-29 08:36:26 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
20 of 26 (76.92%)
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:
8a99a1a9ca6806129474df9b8c64a074a3fcc15b67d43b5ab68e516001e2a132
MD5 hash:
94de82361e14427c5a6064cdb8728081
SHA1 hash:
ae61f24dc65aedf461de8f746d3ab454ab684ed1
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