MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32
SHA3-384 hash: 3aba84acdb6555fe3077b38f16dbc4971153e51fe7a1f018e0464b47b59acdd58b7af58d48092793afa2b3d55e2d4370
SHA1 hash: c4c3a4650d278f2f8b9bf871c2ae91508ffae165
MD5 hash: 3eeb7b2030517f91fdf0f4c5278d8e76
humanhash: snake-carbon-sweet-ack
File name:9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c_payload.exe
Download: download sample
Signature Stop
Create hunting rule
File size:1'150'976 bytes
First seen:2024-01-12 05:46:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c756c849bc7b459f78f7a5ce46cd4a7 (14 x Stop)
ssdeep 24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8dWQHUq7:F0dwAYZt6C31WeTVRPOhd7Uq7
TLSH T1CB35AE02BB819171E5D341BA0DFE977E883AA9A0933A95C3D7E91C568E306D0673F3C5
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter ukycircle
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
433
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 05:47:16 UTC
Tags:
loader vodkagats stealer vidar ransomware stop
Link:
https://app.any.run/tasks/ad04e00d-d50d-4ae2-ad8f-74275aceb376

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/470434/
Detection(s):
Win.Ransomware.Bandook-9859375-1
Create hunting rule

ditekSHen.MALWARE.Win.Ransomware.STOP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Restart of the analyzed sample
Deleting a recently created file
Sending a custom TCP request
Creating a window
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control crypto expand explorer greyware lolbin obfuscated shell32
Link:
https://www.filescan.io/uploads/65a0d258d1ae2d05b969f64c/reports/f50bcb11-0376-41a4-9762-ebdad1fd8b95/overview
Verdict:
Malicious
Labled as:
Trojan.Encoder
Link:
https://www.hybrid-analysis.com/sample/4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32
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/a1dd7fc7-9a58-47ef-a62a-3fc202b4ec3e
Result
Threat name:
Babuk, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1373508
Signature
Antivirus / Scanner detection for submitted sample
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)
Found malware configuration
Found stalling execution ending in API Sleep call
Infects executable files (exe, dll, sys, html)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1373508 Sample: 9dfb6b41c90732c9206ef6f65a9... Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 55 zexeq.com 2->55 57 brusuax.com 2->57 59 2 other IPs or domains 2->59 75 Snort IDS alert for network traffic 2->75 77 Multi AV Scanner detection for domain / URL 2->77 79 Found malware configuration 2->79 81 13 other signatures 2->81 9 9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c_payload.exe 1 17 2->9         started        14 9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c_payload.exe 13 2->14         started        16 9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c_payload.exe 2->16         started        18 9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c_payload.exe 2->18         started        signatures3 process4 dnsIp5 63 api.2ip.ua 172.67.139.220, 443, 49729, 49730 CLOUDFLARENETUS United States 9->63 43 9dfb6b41c90732c920...ad5899c_payload.exe, PE32 9->43 dropped 85 Found stalling execution ending in API Sleep call 9->85 87 Writes a notice file (html or txt) to demand a ransom 9->87 89 Writes many files with high entropy 9->89 20 9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c_payload.exe 1 23 9->20         started        25 icacls.exe 9->25         started        65 zexeq.com 175.120.254.9, 49732, 49733, 49735 SKB-ASSKBroadbandCoLtdKR Korea Republic of 14->65 45 C:\Users\user\Desktop\...\XZXHAVGRAG.docx, data 14->45 dropped 47 C:\Users\user\Desktop\WKXEWIOTXI.png, data 14->47 dropped 49 C:\Users\user\Desktop49WTVCDUMOB.pdf, data 14->49 dropped 91 Multi AV Scanner detection for dropped file 14->91 93 Modifies existing user documents (likely ransomware behavior) 14->93 file6 signatures7 process8 dnsIp9 61 brusuax.com 186.147.159.149, 49734, 80 TelmexColombiaSACO Colombia 20->61 35 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 20->35 dropped 37 C:\Users\user\AppData\Local\...\build2.exe, PE32 20->37 dropped 39 C:\Users\user\...\wctF86A.tmp.cdqw (copy), MS-DOS 20->39 dropped 41 46 other malicious files 20->41 dropped 83 Infects executable files (exe, dll, sys, html) 20->83 27 build2.exe 20->27         started        file10 signatures11 process12 signatures13 95 Multi AV Scanner detection for dropped file 27->95 97 Detected unpacking (changes PE section rights) 27->97 99 Detected unpacking (overwrites its own PE header) 27->99 101 5 other signatures 27->101 30 build2.exe 27->30         started        process14 dnsIp15 67 t.me 149.154.167.99, 443, 49736 TELEGRAMRU United Kingdom 30->67 69 116.202.0.196, 10220, 49737, 49741 HETZNER-ASDE Germany 30->69 51 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 30->51 dropped 53 C:\Users\...\77EC63BDA74BD0D0E0426DC8F8008506, Microsoft 30->53 dropped 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->71 73 Tries to harvest and steal browser information (history, passwords, etc) 30->73 file16 signatures17
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32/
Threat name:
Win32.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2024-01-10 04:37:01 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jll3ruri7yznqkydophiq3zcj5d4fydklhjzjrrucyghacb3l4za._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware stealer
Link:
https://tria.ge/reports/240112-ggvywsfehn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Looks up external IP address via web service
Modifies file permissions
Downloads MZ/PE file
Detect Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
Unpacked files
SH256 hash:
4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32
MD5 hash:
3eeb7b2030517f91fdf0f4c5278d8e76
SHA1 hash:
c4c3a4650d278f2f8b9bf871c2ae91508ffae165
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_STOP
Create hunting rule
Link:
https://www.unpac.me/results/5bd0e1f1-eb66-4159-b0f1-0f8ab05062f6/
Parent samples :
123ff21851f3b1e11f928142fc0b48c00acab2971d7e7c0e77d936de1916922c
26bd4a40d12d5483b5cf8a0a2db0dddb151b0b3206079dcf2782834482a2c3b7
daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58
9a880d7572486dd985ed6ffbf55eee8875077d9614befc12d5fbdaafd45e86d5
9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c
1c1db50e2876a312fc1b8cf6f3234d157f7accc140b14b47318c735d97693f3b
4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32
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/4ad7b8d228fe32d82b0373ce886f224f47c2e06a59d394c634160c70083b5f32

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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.

Cape
Cape
https://www.capesandbox.com/analysis/470434/

Comments