MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99
SHA3-384 hash: 8c57e885178122b54f1ec7d6f4b1640c91dfe0b0af3e74ab5fb9d48b831c18e63b66c246d6440fb5d28bd79689461acd
SHA1 hash: d0f4b3244c98e04c9d53d3ddb5588e3b8cedcbb7
MD5 hash: db8b00bc6ed976ed0fe41f358669ea76
humanhash: north-chicken-apart-romeo
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:711'680 bytes
First seen:2023-03-15 03:22:56 UTC
Last seen:2023-03-15 04:33:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 23e8af559124378932e77f64e85571f5 (4 x Stop, 3 x RedLineStealer, 3 x Smoke Loader)
ssdeep 12288:6GVfHJqGodm0ZcZTvzo8gj+9j082U1NTm8yccbAPNgY70N:BHJqGodmFr9gC9jeyacXPNz70
Threatray 1'347 similar samples on MalwareBazaar
TLSH T1DAE4029392917F62E11547728E2FC2FD261DB950CF99BB72231CA61F04713A1E9A3743
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 956a6a6e6a6a6a60 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-15 03:23:29 UTC
Tags:
ransomware stop
Link:
https://app.any.run/tasks/27207212-f404-4e08-93ea-dc0bd396fa49

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/374438/
Detection(s):
SecuriteInfo.com.Variant.Jaik.129274.31152.24566.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
DNS request
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/64113a173ed78da2693e0a00/reports/0db416cc-53f7-4a63-8205-fb03cdeddb8d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/957e0e29-df2a-40ba-b813-aa0f699b8bee
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1193872
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2023-03-15 03:23:07 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlelfyck6ouq5e53pczyduecczl2rh5hykkzebdncvchsguq5kmq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
5aad6ebccf994b06ae04f81acb19cbf976cea52e91671b5375c9c5d37dbb7098
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
a5c5875892fcf16b14b95f13bc01d686f6127877cc1562721a8182db00c92912
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'337 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230315-dxgjnabc45/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
8ee61ff5337dfa30046f8496da2a3e06313f69b62832d11092c2774b5f488416
MD5 hash:
732b847e55e6be955d66333d9081343b
SHA1 hash:
9c712e176b4f172fec18fc95e9df991546396905
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/8afa67bd-ddd9-4a40-8fe9-24c9e22133e2/
Parent samples :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 hash:
1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99
MD5 hash:
db8b00bc6ed976ed0fe41f358669ea76
SHA1 hash:
d0f4b3244c98e04c9d53d3ddb5588e3b8cedcbb7
Link:
https://www.unpac.me/results/8afa67bd-ddd9-4a40-8fe9-24c9e22133e2/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ac8b2e04af3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99

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
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
Rule name:win_stop_auto
Create hunting rule
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.

Web download

Stop

Executable exe 1ac8b2e04af3a90e93bb78b381d0821657a89fa7c29592046d1544791a90ea99

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/374438/

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