MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b
SHA3-384 hash: ec827082b9358c0e738e7b0b7a0b3b34955afc013ec6d9d06f2bfdef0408feffe18bd5d0effe1aef4dd5e835329dba9e
SHA1 hash: 7e1a5c7a2e5e72f79d7722e9aaf921f81bd12f9d
MD5 hash: 358cce8ebe4ef51ccde93c4f1acfc26e
humanhash: juliet-orange-maine-louisiana
File name:file.exe
Download: download sample
Signature Stop
Create hunting rule
File size:792'064 bytes
First seen:2023-05-29 01:52:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8e382607a3e33198b48c3f30434124bd (2 x Stop, 1 x RedLineStealer, 1 x RecordBreaker)
ssdeep 12288:Ji14CavkMdt9+H0mRXoXea+5XtkF7AM2Rpt5H4p5TQk640JN3D5:JiiCanarXoXeH5XtkP2RptSpBQk64Mt
Threatray 1'899 similar samples on MalwareBazaar
TLSH T1A6F4D05382E13D45EA6B4B739E2FC7F87B1DF6508E497BA912185E2F04B12B2C263711
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 0506160a02224300 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-28 22:33:26 UTC
Tags:
loader smoke trojan ransomware stop stealer vidar
Link:
https://app.any.run/tasks/054dffcc-c614-4eff-ba4d-a04add0169f7

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/392893/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
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
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/88404/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CPUID_Instruction
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
Link:
https://www.filescan.io/uploads/6474057fc49c8073bd0b1884/reports/8b79f868-fb87-4a88-86bf-6566cebc8527/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b
Result
Verdict:
UNKNOWN
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/fdb15548-ccd0-488f-a23f-d4eed8c85582
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1244242
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 malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
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 Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877251 Sample: file.exe Startdate: 29/05/2023 Architecture: WINDOWS Score: 100 86 Snort IDS alert for network traffic 2->86 88 Multi AV Scanner detection for domain / URL 2->88 90 Found malware configuration 2->90 92 13 other signatures 2->92 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 102 Detected unpacking (changes PE section rights) 11->102 104 Detected unpacking (overwrites its own PE header) 11->104 106 Writes a notice file (html or txt) to demand a ransom 11->106 108 Writes many files with high entropy 11->108 20 file.exe 1 16 11->20         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 114 Injects a PE file into a foreign processes 14->114 24 file.exe 12 14->24         started        26 file.exe 16->26         started        28 file.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49700, 49701 ACPCA Canada 20->76 58 C:\Users\user\AppData\Local\...\file.exe, PE32 20->58 dropped 60 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 20->60 dropped 32 file.exe 20->32         started        35 icacls.exe 20->35         started        37 conhost.exe 30->37         started        file7 process8 signatures9 84 Injects a PE file into a foreign processes 32->84 39 file.exe 1 24 32->39         started        process10 dnsIp11 78 colisumy.com 123.140.161.243, 49702, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->78 80 zexeq.com 220.82.134.215, 49703, 49705, 80 HSU18035-AS-KRHANSEOUNIVERSITYKR Korea Republic of 39->80 82 api.2ip.ua 39->82 62 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->62 dropped 64 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->64 dropped 66 C:\_readme.txt, ASCII 39->66 dropped 68 144 other malicious files 39->68 dropped 100 Modifies existing user documents (likely ransomware behavior) 39->100 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 116 Detected unpacking (changes PE section rights) 44->116 118 Detected unpacking (overwrites its own PE header) 44->118 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 120 Uses schtasks.exe or at.exe to add and modify task schedules 47->120 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49706 TELEGRAMRU United Kingdom 50->72 74 188.34.154.187, 30303, 49707 HETZNER-ASDE Germany 50->74 94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->94 96 Tries to harvest and steal browser information (history, passwords, etc) 50->96 98 Tries to steal Crypto Currency Wallets 50->98 56 conhost.exe 54->56         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-05-28 21:45:29 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tanfz37qtnqvokzz4j34vcijnaplavn76wwa3eoti3imiod5yj5q._file
Verdict:
malicious
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Stop
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+ 1'889 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:e44c96dfdf315ccf17cdd4b93cfe6e48 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230529-cazahshf2v/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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/raud/get.php
https://steamcommunity.com/profiles/76561199508624021
https://t.me/looking_glassbot
Unpacked files
SH256 hash:
c73cb93ad9ad6d003b505ce2b960d75467ad612786e0559c74dca18426fb9400
MD5 hash:
5cacd6f1b5cec25f3f0b0b3c4d5807d3
SHA1 hash:
41b8851bc57462502b0113ee1f2579dff5d94f4f
Detections:
stop_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/e9d43dd8-b714-4d48-aa65-804ecbc00b12/
Parent samples :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 hash:
981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b
MD5 hash:
358cce8ebe4ef51ccde93c4f1acfc26e
SHA1 hash:
7e1a5c7a2e5e72f79d7722e9aaf921f81bd12f9d
Link:
https://www.unpac.me/results/e9d43dd8-b714-4d48-aa65-804ecbc00b12/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/981a5ceff09b/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/981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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:Telegram_Links
Create hunting rule
Rule name:Vidar
Create hunting rule
Author:kevoreilly,rony
Description:Vidar Payload
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 981a5ceff09b61572b39e277ca8909681eb055bff5ac0d91d346d0c4387dc27b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/392893/

Comments