MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5
SHA3-384 hash: d0027afdfa39fb8ccbf567b413f57bfa11c848254a6fa6ebfe70eb3bc63e7d91bf46c19dfb5a67da13acdb95b6196330
SHA1 hash: b7a191b63a1265358fb95d5ffdec44dc50627691
MD5 hash: 8c120a0d24014e8122961bde88593ab0
humanhash: kentucky-mountain-music-glucose
File name:3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe
Download: download sample
Signature Stop
Create hunting rule
File size:756'736 bytes
First seen:2022-08-17 14:40:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 30d837ac2b69f54b2ab9c9ca78d8ba4f (1 x Stop)
ssdeep 12288:arCJ/pxqe8fOhwaL8T/RZiL/PQbPUexkldjhgNoJjqxdH3KdZQo55TEcXMUCh:P/pIe3Kag/66PtDNMqb6oiY4MUCh
TLSH T1DFF4120171D4C071D5A725378468C7B58EBFB8A649312ECF6BD927BE6F306A1A72430E
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2b1e4d4ecb987f9 (38 x RedLineStealer, 18 x RaccoonStealer, 15 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://135.181.96.153/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://135.181.96.153/ https://threatfox.abuse.ch/ioc/843843/

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe
Verdict:
Malicious activity
Analysis date:
2022-08-17 14:43:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/81a53113-0299-4667-a60b-349f990757f9

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/299329/
Detection(s):
Win.Packed.Pwsx-9954187-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware packed
Link:
https://www.filescan.io/uploads/62fcfe7d3cbb9456913ce7c9/reports/24d62676-9b42-4f95-8b83-61df2cc8fd1f/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/dc90c5f9-dca7-4b77-845e-c34fd2054036
Result
Threat name:
Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1053140
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
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
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 685662 Sample: 3A5F31399BED412A2B4C2E4A026... Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 11 other signatures 2->76 10 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 2->10         started        13 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 2->13         started        15 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 2->15         started        17 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 2->17         started        process3 signatures4 86 Injects a PE file into a foreign processes 10->86 19 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 1 18 10->19         started        88 Antivirus detection for dropped file 13->88 90 Multi AV Scanner detection for dropped file 13->90 92 Machine Learning detection for dropped file 13->92 23 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 13 13->23         started        25 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 13 15->25         started        27 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 17->27         started        process5 dnsIp6 64 api.2ip.ua 162.0.217.254, 443, 49715, 49720 ACPCA Canada 19->64 54 3A5F31399BED412A2B...F97D0F3CE104927.exe, PE32 19->54 dropped 56 3A5F31399BED412A2B...exe:Zone.Identifier, ASCII 19->56 dropped 29 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 19->29         started        32 icacls.exe 19->32         started        file7 process8 signatures9 100 Injects a PE file into a foreign processes 29->100 34 3A5F31399BED412A2B4C2E4A02630FF97D0F3CE104927.exe 1 23 29->34         started        process10 dnsIp11 58 acacaca.org 115.88.24.203, 49721, 49725, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 34->58 60 rgyui.top 190.140.99.150, 49722, 80 CableOndaPA Panama 34->60 62 api.2ip.ua 34->62 46 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 34->46 dropped 48 C:\Users\user\AppData\Local\...\build2.exe, PE32 34->48 dropped 50 C:\_readme.txt, ASCII 34->50 dropped 52 7 other files (3 malicious) 34->52 dropped 78 Modifies existing user documents (likely ransomware behavior) 34->78 39 build2.exe 34->39         started        file12 signatures13 process14 signatures15 80 Multi AV Scanner detection for dropped file 39->80 82 Detected unpacking (creates a PE file in dynamic memory) 39->82 84 Machine Learning detection for dropped file 39->84 42 build2.exe 39->42         started        process16 dnsIp17 66 t.me 149.154.167.99, 443, 49731 TELEGRAMRU United Kingdom 42->66 68 135.181.96.153, 49732, 80 HETZNER-ASDE Germany 42->68 94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->94 96 Tries to harvest and steal browser information (history, passwords, etc) 42->96 98 Tries to steal Crypto Currency Wallets 42->98 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2022-07-01 14:53:00 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjptcom35vasuk2mfzfaeyyp7f6q6phbasjhdxtq34n5rdl6h32q._file
Verdict:
malicious
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220817-r2fd2sbhf3/
Behaviour
Checks processor information in registry
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
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/test1/get.php
Unpacked files
SH256 hash:
da3da52aa4280da1e0d9638db373fb729d7af86d7b7444aeb5b02fd2af97e55e
MD5 hash:
35b6ad754e277c37f1b5b67b2ebdfcf5
SHA1 hash:
a3d1e1e88e415d17dfc6cb70f70bde5d32ce7abb
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/76e4379d-193d-4010-9229-1b9b06feebc2/
Parent samples :
d14e870adc49d78d75be8776c52db46b4de5a885293ff496d075253081511500
3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5
SH256 hash:
3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5
MD5 hash:
8c120a0d24014e8122961bde88593ab0
SHA1 hash:
b7a191b63a1265358fb95d5ffdec44dc50627691
Link:
https://www.unpac.me/results/76e4379d-193d-4010-9229-1b9b06feebc2/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a5f31399bed/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/3a5f31399bed412a2b4c2e4a02630ff97d0f3ce1049271de70df1bd88d7e3ef5

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.
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

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/299329/

Comments