MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f71d52bc7b8d2a3170e913d1aa562207216c8c962278874aa7b0126674ffe73. 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: 14


Intelligence 14 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f71d52bc7b8d2a3170e913d1aa562207216c8c962278874aa7b0126674ffe73
SHA3-384 hash: ecc982577bba19c6827426f96226c0dc84649dcf5dca6f5a4270e6292ccf0b0ee5b93344d22186122ce441946014e7b6
SHA1 hash: bbe47fe97a6c3a9df5a43cf5e47f36a8a541e5f7
MD5 hash: a611c4ec85cd4943aed8a021714a2454
humanhash: north-fix-tennis-georgia
File name:a611c4ec85cd4943aed8a021714a2454.exe
Download: download sample
Signature Stop
Create hunting rule
File size:870'912 bytes
First seen:2022-09-08 10:00:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e69908863e17da2ed40226e60570d6a5 (3 x Smoke Loader, 3 x Stop, 1 x RecordBreaker)
ssdeep 12288:5oaWzr54WmboLGra4sj/aoJuwiLt8g6tqlO7PP068KUzfWXZcB:5vCFVLGmnWoJ3Qt8g6td7XTIWJcB
Threatray 1'722 similar samples on MalwareBazaar
TLSH T1BE0513C17693C471C4EA0070886AEBC025BFAC7219A69D8BFB583D6D4EBC7E16957343
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 480c1c4c4f590b14 (113 x Smoke Loader, 92 x RedLineStealer, 83 x Amadey)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.202.179.139/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://116.202.179.139/1375 https://threatfox.abuse.ch/ioc/848397/

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a611c4ec85cd4943aed8a021714a2454.exe
Verdict:
Malicious activity
Analysis date:
2022-09-08 10:09:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9adbfb47-2a6b-4836-b3be-574ceb38c927

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/308710/
Detection(s):
Win.Malware.Azorult-9949206-0
Create hunting rule

Win.Malware.Dropperx-9965436-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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/37050/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6319bdeee73fb79b7a008ea1/reports/35c890b8-960e-472c-ad13-4559b4da481a/overview
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/22b26a30-d44b-428f-8343-2c261d1475ff
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067003
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 699537 Sample: GPk5D3W7eA.exe Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 5 other signatures 2->60 8 GPk5D3W7eA.exe 2->8         started        11 GPk5D3W7eA.exe 2->11         started        13 GPk5D3W7eA.exe 2->13         started        15 GPk5D3W7eA.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Machine Learning detection for dropped file 8->66 68 Injects a PE file into a foreign processes 8->68 17 GPk5D3W7eA.exe 19 8->17         started        70 Contains functionality to inject code into remote processes 11->70 22 GPk5D3W7eA.exe 1 16 11->22         started        24 GPk5D3W7eA.exe 12 13->24         started        26 GPk5D3W7eA.exe 12 15->26         started        process5 dnsIp6 48 acacaca.org 58.235.189.192, 49766, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\Users\user\...\ChromeSetup.exe.oovb (copy), MS-DOS 17->36 dropped 38 C:\Users\user\Downloads\ChromeSetup.exe, MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\MIVTQDBATG.mp3, data 17->40 dropped 46 5 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49754, 49755 ACPCA Canada 22->50 42 C:\Users\user\AppData\...behaviorgraphPk5D3W7eA.exe, PE32 22->42 dropped 44 C:\Users\...behaviorgraphPk5D3W7eA.exe:Zone.Identifier, ASCII 22->44 dropped 28 GPk5D3W7eA.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 GPk5D3W7eA.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f71d52bc7b8d2a3170e913d1aa562207216c8c962278874aa7b0126674ffe73/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-09-04 23:17:47 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5y5kk6hxdjkgfyose6rvjlcebzbnsgjmityq5fkpmasmz2p7zzq._file
Verdict:
malicious
Similar samples:
0f307e93c8748420970921cd14a83a4a6e01d8cc9b87aa0d978b7277877ccc06
Stop
3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5
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a137ef69c31ccb16b44e956b49a71361b8ad50c06d82b508032239b573677f4d
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bebf3064e366d052d6594d3e23ed074a410a0bee3007545110c2cd10b2954f07
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ebe9d795ebe7b5b98a4d4eb27bcdfaee9d9567424a563cc74ffb4fd2fa712744
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Stop
+ 1'712 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220908-l18rbaecc5/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test3/get.php
Unpacked files
SH256 hash:
51cde1a13c66cc84ee1984e4e4efcebdf13bb6b526efbec17af6fe46e14ff2a0
MD5 hash:
ed57fbf440e30f57a4b5f80bd1c68d75
SHA1 hash:
76fa489e26c244b8d69c220a30a3722c5b5afdb6
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/1c05fb3d-ec12-4122-aa7f-4c175403119d/
Parent samples :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 hash:
1f71d52bc7b8d2a3170e913d1aa562207216c8c962278874aa7b0126674ffe73
MD5 hash:
a611c4ec85cd4943aed8a021714a2454
SHA1 hash:
bbe47fe97a6c3a9df5a43cf5e47f36a8a541e5f7
Link:
https://www.unpac.me/results/1c05fb3d-ec12-4122-aa7f-4c175403119d/
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/1f71d52bc7b8d2a3170e913d1aa562207216c8c962278874aa7b0126674ffe73

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
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: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/308710/

Comments