MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1887d44bd913b81d9943f4b5637e01b057d20d757b23cd6ea3da239827a9cd95. 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 5 File information Comments

SHA256 hash: 1887d44bd913b81d9943f4b5637e01b057d20d757b23cd6ea3da239827a9cd95
SHA3-384 hash: 0a4146327de88e0a0bb2c9dcd9efa8a8244e9703191620c5c740dbd1064b94de9f049405945361f5958fb08b65877f5d
SHA1 hash: 1308ac2f0cab69ea97f62f71b815af65eab0b6b6
MD5 hash: 395908ef1c1b873b5e2ef0458b3054c1
humanhash: kansas-earth-apart-berlin
File name:1887d44bd913b81d9943f4b5637e01b057d20d757b23cd6ea3da239827a9cd95
Download: download sample
Signature Stop
File size:832'000 bytes
First seen:2022-03-25 08:51:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e3a468e33131e43ff6cb0ed3ba60251f (2 x DanaBot, 2 x Stop, 1 x Gozi)
ssdeep 12288:VjlKZpqVz+tyrG3SxSGJp0hp/IY/qaW/mQSOqlX+dti+J9uVOuoNZlDqc0Y/I+wJ:noIzwYVxz5Y/R4mQS5uDJcVqTNg+
Threatray 901 similar samples on MalwareBazaar
TLSH T1A005F100B790D039E0B716F8497553B9A62E7DE1AB6560CB22D97BEE57346E0FC3120B
File icon (PE):PE icon
dhash icon 25ac1378319b9b91 (29 x Amadey, 24 x Smoke Loader, 14 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2022-03-25 08:55:40 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
39 of 42 (92.86%)
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/test1/get.php
Unpacked files
SH256 hash:
1887d44bd913b81d9943f4b5637e01b057d20d757b23cd6ea3da239827a9cd95
MD5 hash:
395908ef1c1b873b5e2ef0458b3054c1
SHA1 hash:
1308ac2f0cab69ea97f62f71b815af65eab0b6b6
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