MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe
SHA3-384 hash: 9d07dac82ab42ad888dfc6247f550164568b64d5be3192f76b68f8500d84b0cef1bcd98c011fc5a1f7898d5b5830e15f
SHA1 hash: 3b75c832938104823ab2341655a121cc5f948605
MD5 hash: 89cee6dd02032470f2337da3b35222cc
humanhash: high-artist-oven-solar
File name:3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe
Download: download sample
Signature Stop
Create hunting rule
File size:766'464 bytes
First seen:2023-04-06 12:42:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2872f2807be0ca81e71b7944856cdb17 (6 x Smoke Loader, 3 x RedLineStealer, 2 x Stop)
ssdeep 12288:wcOZb1/xS2JKwWwyjopWrwAEFsezM71WWrToCZRQMgACanPthbUZCsp4sGTKTlB0:wPF9Kwaj0Ws7Cci8CZRFgACP9p4vKT0
Threatray 1'615 similar samples on MalwareBazaar
TLSH T128F412127B46C43AF81E41751456EBF89A367830C7958EC7778C1ABE1F213D28A7938B
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 004128dc6a8acc00 (1 x Stop)
Reporter adrian__luca
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
268
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe
Verdict:
Malicious activity
Analysis date:
2023-04-06 12:41:26 UTC
Tags:
ransomware stop loader
Link:
https://app.any.run/tasks/75ddba0e-09f3-429d-ada2-cffca6729be5

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/380650/
Detection(s):
Sanesecurity.Malware.29155.BadIN.UNOFFICIAL
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76822/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ursnif
Link:
https://www.filescan.io/uploads/642ebe56da5bf6666c9ce2ec/reports/a680e38f-eff9-4184-bfaf-0830264047df/overview
Verdict:
Malicious
Labled as:
Jaik.Generic
Link:
https://www.hybrid-analysis.com/sample/3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe
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/84a28640-0de9-4f11-bf5e-930e1d70ad4e
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1209678
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842594 Sample: SDXvzyo6bw.exe Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 10 other signatures 2->86 11 SDXvzyo6bw.exe 2->11         started        14 SDXvzyo6bw.exe 2->14         started        16 SDXvzyo6bw.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 90 Detected unpacking (changes PE section rights) 11->90 92 Detected unpacking (overwrites its own PE header) 11->92 94 Writes a notice file (html or txt) to demand a ransom 11->94 96 Writes many files with high entropy 11->96 20 SDXvzyo6bw.exe 1 16 11->20         started        98 Multi AV Scanner detection for dropped file 14->98 100 Machine Learning detection for dropped file 14->100 102 Injects a PE file into a foreign processes 14->102 24 SDXvzyo6bw.exe 14 14->24         started        26 SDXvzyo6bw.exe 16->26         started        28 SDXvzyo6bw.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 66 api.2ip.ua 162.0.217.254, 443, 49689, 49692 ACPCA Canada 20->66 52 C:\Users\user\AppData\...\SDXvzyo6bw.exe, PE32 20->52 dropped 54 C:\Users\...\SDXvzyo6bw.exe:Zone.Identifier, ASCII 20->54 dropped 32 SDXvzyo6bw.exe 20->32         started        35 icacls.exe 20->35         started        68 211.53.230.67, 49695, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 24->68 70 zexeq.com 24->70 37 conhost.exe 30->37         started        file7 process8 signatures9 78 Injects a PE file into a foreign processes 32->78 39 SDXvzyo6bw.exe 1 23 32->39         started        process10 dnsIp11 72 zexeq.com 80.210.25.252, 49693, 49696, 80 DCI-ASIR Iran (ISLAMIC Republic Of) 39->72 74 uaery.top 39->74 76 api.2ip.ua 39->76 56 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->56 dropped 58 C:\_readme.txt, ASCII 39->58 dropped 60 C:\Users\user\_readme.txt, ASCII 39->60 dropped 62 132 other malicious files 39->62 dropped 88 Modifies existing user documents (likely ransomware behavior) 39->88 44 build3.exe 39->44         started        file12 signatures13 process14 file15 64 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 44->64 dropped 104 Uses schtasks.exe or at.exe to add and modify task schedules 44->104 48 schtasks.exe 44->48         started        signatures16 process17 process18 50 conhost.exe 48->50         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 23:49:40 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hay4deqkpbyqi2lgn72ykeohzt5tg4dk3pmmrmhlzexe4gdhjw7a._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
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6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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+ 1'605 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/230406-pxw5wsda98/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
Unpacked files
SH256 hash:
a21de1afb97797236adc5fd6df4ebeb458fbf27e309e95ff9455c5ed852d3016
MD5 hash:
9de306e49c719a6bcfa520b86785bd9d
SHA1 hash:
47054574330c6dd1fa494a02bee3ec205adb6a45
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/3cfc0a40-fc3f-4bf3-92d8-8a90fdba5019/
Parent samples :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 hash:
3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe
MD5 hash:
89cee6dd02032470f2337da3b35222cc
SHA1 hash:
3b75c832938104823ab2341655a121cc5f948605
Link:
https://www.unpac.me/results/3cfc0a40-fc3f-4bf3-92d8-8a90fdba5019/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3831c1920a78/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/3831c1920a78710469666ff58511c7ccfb33706adbd8c8b0ebc92e4e18674dbe

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.

Cape
Cape
https://www.capesandbox.com/analysis/380650/

Comments