MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706. 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: b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706
SHA3-384 hash: d2c1ce940230c2996c64169f80aeadeb93ba74c18b69c0ced3c1b6bab758718eaaac79fc1c21e405bfe7f337dfaec798
SHA1 hash: 11c61e6c7cca68dc82e7b81bcace8edc9979e380
MD5 hash: d71321db29c957573cbebe675617a16c
humanhash: magnesium-florida-delta-tennessee
File name:d71321db29c957573cbebe675617a16c.exe
Download: download sample
Signature Stop
Create hunting rule
File size:751'616 bytes
First seen:2022-08-25 12:45:51 UTC
Last seen:2022-08-25 13:33:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2936b6970f1fa84b64290c9d13be7dd1 (5 x RedLineStealer, 3 x Smoke Loader, 1 x Stop)
ssdeep 12288:jXkpLrBIGiWXy7xKrx5H0lSbDhdUGIBdkhLuSLbQ/FKVrjOQamuvk3v3ChuB:jXAugx5HiCKGgkJupUjLuvqfChuB
TLSH T142F4122032A18276D0521E714C228FA0497FB8F105F4659BE3F42B6E6EB53D076B676F
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 480c1c4c4f590b14 (113 x Smoke Loader, 92 x RedLineStealer, 83 x Amadey)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.202.178.78/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://116.202.178.78/ https://threatfox.abuse.ch/ioc/845310/

Intelligence

File Origin
# of uploads :
2
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d71321db29c957573cbebe675617a16c.exe
Verdict:
Malicious activity
Analysis date:
2022-08-25 12:47:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a636dbb3-2996-44af-b14a-6310c7b06199

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/301170/
Detection(s):
SecuriteInfo.com.Variant.Babar.97220.2944.7499.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/30073/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/63076f233cbb13868a7f7d05/reports/682b2466-d30f-4eea-8079-0b613eb0825f/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/a9ce3a1a-ea4a-4110-bee8-ae922eb096f0
Result
Threat name:
Djvu, PrivateLoader, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1057722
Signature
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 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 PrivateLoader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690239 Sample: Le99tRhVa4.exe Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 87 Snort IDS alert for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for URL or domain 2->91 93 9 other signatures 2->93 12 Le99tRhVa4.exe 2->12         started        15 Le99tRhVa4.exe 2->15         started        17 Le99tRhVa4.exe 2->17         started        19 Le99tRhVa4.exe 2->19         started        process3 signatures4 103 Injects a PE file into a foreign processes 12->103 21 Le99tRhVa4.exe 1 18 12->21         started        105 Machine Learning detection for dropped file 15->105 25 Le99tRhVa4.exe 13 15->25         started        28 Le99tRhVa4.exe 13 17->28         started        30 Le99tRhVa4.exe 19->30         started        process5 dnsIp6 73 api.2ip.ua 162.0.217.254, 443, 49753, 49754 ACPCA Canada 21->73 59 C:\Users\user\AppData\...\Le99tRhVa4.exe, PE32 21->59 dropped 61 C:\Users\...\Le99tRhVa4.exe:Zone.Identifier, ASCII 21->61 dropped 32 Le99tRhVa4.exe 21->32         started        35 icacls.exe 21->35         started        63 C:\Users\user\Desktop\...EGWXUHVUG.docx, data 25->63 dropped 97 Modifies existing user documents (likely ransomware behavior) 25->97 file7 signatures8 process9 signatures10 85 Injects a PE file into a foreign processes 32->85 37 Le99tRhVa4.exe 1 23 32->37         started        process11 dnsIp12 75 acacaca.org 110.14.121.125, 49756, 49757, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 37->75 77 rgyui.top 222.236.49.123, 49755, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 37->77 79 api.2ip.ua 37->79 65 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 37->65 dropped 67 C:\Users\user\_readme.txt, ASCII 37->67 dropped 69 C:\Users\user\...\build2.exe.qqpp (copy), MS-DOS 37->69 dropped 71 4 other files (3 malicious) 37->71 dropped 95 Modifies existing user documents (likely ransomware behavior) 37->95 42 build2.exe 37->42         started        file13 signatures14 process15 signatures16 99 Detected unpacking (creates a PE file in dynamic memory) 42->99 101 Injects a PE file into a foreign processes 42->101 45 build2.exe 42->45         started        process17 dnsIp18 81 t.me 149.154.167.99, 443, 49764 TELEGRAMRU United Kingdom 45->81 83 116.202.178.78, 49770, 80 HETZNER-ASDE Germany 45->83 107 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 45->107 109 Tries to harvest and steal browser information (history, passwords, etc) 45->109 111 Tries to steal Crypto Currency Wallets 45->111 49 cmd.exe 45->49         started        51 WerFault.exe 45->51         started        signatures19 process20 process21 53 conhost.exe 49->53         started        55 taskkill.exe 49->55         started        57 timeout.exe 49->57         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-08-25 12:46:11 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfckzncp7z32gadltlf6vrsadtjnrvvlholmilc365kyvvup64da._file
Verdict:
malicious
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/220825-pzmdgadbcq/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test2/get.php
Unpacked files
SH256 hash:
35655a91e44c9238b7bbf06cacf331e2c9a9d7836e5cd1f00f077d9ef844e0d9
MD5 hash:
b0b47ebd5a614538ab247341681ac887
SHA1 hash:
deac29cbee139d020e27d3972d37774c13d0d706
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/49002ea5-91c3-4b23-a56d-10970d43760e/
Parent samples :
b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706
a1beb48067787bbbefceda7adf82e4531dedcda0f3a22be35524f65cce247728
9fd2e141a149704cc16f1d510980fa45433ec26ac370c7db856255261f65cb3b
e2f8b5fde2d9fbf61455d895af3040af26915d09714f0438e12337e44ee46f09
057c0db0601053a63938b908aa39a8e8d064c7cad1939db90d21964d002e58f9
9de786b803d8e271650197e128ab6d427e3e318424c13055b376d5c589f5f6e8
d7de2b447367f02e1038ee9acc477120a515cd2c2399b49749014ef3fdc37b03
93b32faac67ea996c0eb28c662d6132ec4e789633a040550d261b995bda0473f
e5b366c2c9fba8681a35fbe32a5adc6850baf0d11cb87c214eda5c255d66fb60
129745c0c4f0b6a973755bdade64b073a542f4e69e2c6744e6263b9d666927dc
0866b18606d78aee5f51c208774f974f31f59ad6eb54dc6f0c46b6eaa38e3f2e
970a7f3a8e1caf695dff4a62f2c9da51289f3eea0c7f534dcfcb6cd403f1684b
SH256 hash:
b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706
MD5 hash:
d71321db29c957573cbebe675617a16c
SHA1 hash:
11c61e6c7cca68dc82e7b81bcace8edc9979e380
Link:
https://www.unpac.me/results/49002ea5-91c3-4b23-a56d-10970d43760e/
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/b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706

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.

Web download

Stop

Executable exe b944acb44ffe77a3006b9acbeac6401cd2d8d6ab3b96c42c5bf7558ad68ff706

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261263/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/301170/

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