MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd
SHA3-384 hash: b95cf47366126b02bd70dbad3b7463ea5c07f3720eda5938000d8ce7b9a8d1d4ee16b2ed303a0ba31fe1a44dc465e638
SHA1 hash: 5d690c279191e01576f2d04de37f7918959c4490
MD5 hash: e7b12f644d10e63d4456f96620814a9c
humanhash: four-cardinal-harry-hamper
File name:b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd
Download: download sample
Signature Stop
Create hunting rule
File size:799'232 bytes
First seen:2022-03-25 08:52:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1c4d1309fbe1ab2e3ba471bcd2b90944 (2 x Stop, 1 x Smoke Loader)
ssdeep 12288:P+gg5In1ab4il+xSp+sqKXOo7RqBeUdvWz67OrkRxqkJ2R6Te5HoZ6x:Ggg5e1q4il+xA+sn+TB7WRkJ2pdoZ
Threatray 974 similar samples on MalwareBazaar
TLSH T1F90512617A60E0B3D46B25B0A458CAA1696F78325737810B3FA1073E0F513E5E97BB4F
File icon (PE):PE icon
dhash icon 4839b234e8c38c90 (9 x RaccoonStealer, 4 x RedLineStealer, 4 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/257615/
Detection(s):
Win.Packed.Strab-9942213-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/623d82ff9253b276b76a7b76/reports/c5a6b3a7-b88f-4bdf-9445-fd69d5d043cc/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/015e1a2f-08d3-46d7-ab99-2174cbc85662
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964427
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
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 (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Tries to steal Mail credentials (via file / registry access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596909 Sample: Ag0KGZsTk9 Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 10 other signatures 2->95 12 Ag0KGZsTk9.exe 2->12         started        15 Ag0KGZsTk9.exe 2->15         started        17 Ag0KGZsTk9.exe 2->17         started        19 Ag0KGZsTk9.exe 2->19         started        process3 signatures4 107 Writes many files with high entropy 12->107 109 Injects a PE file into a foreign processes 12->109 21 Ag0KGZsTk9.exe 1 16 12->21         started        111 Contains functionality to inject code into remote processes 15->111 25 Ag0KGZsTk9.exe 12 15->25         started        27 Ag0KGZsTk9.exe 12 17->27         started        29 Ag0KGZsTk9.exe 19->29         started        process5 dnsIp6 83 api.2ip.ua 162.0.218.244, 443, 49776, 49779 ACPCA Canada 21->83 65 C:\Users\...\Ag0KGZsTk9.exe:Zone.Identifier, ASCII 21->65 dropped 67 C:\Users\user\AppData\...\Ag0KGZsTk9.exe, MS-DOS 21->67 dropped 31 Ag0KGZsTk9.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 121 Injects a PE file into a foreign processes 31->121 36 Ag0KGZsTk9.exe 1 22 31->36         started        process10 dnsIp11 77 fuyt.org 180.69.193.102, 49780, 49783, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 36->77 79 zerit.top 211.169.6.249, 49781, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->79 81 2 other IPs or domains 36->81 57 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->57 dropped 59 C:\Users\user\AppData\Local\...\build2.exe, PE32 36->59 dropped 61 C:\_readme.txt, ASCII 36->61 dropped 63 22 other files (20 malicious) 36->63 dropped 97 Modifies existing user documents (likely ransomware behavior) 36->97 41 build2.exe 36->41         started        file12 signatures13 process14 signatures15 99 Multi AV Scanner detection for dropped file 41->99 101 Machine Learning detection for dropped file 41->101 103 Writes many files with high entropy 41->103 105 Injects a PE file into a foreign processes 41->105 44 build2.exe 41->44         started        process16 dnsIp17 85 78.47.227.68, 49791, 80 HETZNER-ASDE Germany 44->85 87 stereodon.social 185.105.3.28, 443, 49788 GCOREAT Luxembourg 44->87 69 d06ed635-68f6-4e9a...57b9a3160905055.zip, Zip 44->69 dropped 71 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 44->71 dropped 73 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 44->73 dropped 75 10 other files (none is malicious) 44->75 dropped 113 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->113 115 Tries to steal Mail credentials (via file / registry access) 44->115 117 Tries to harvest and steal browser information (history, passwords, etc) 44->117 119 Tries to steal Crypto Currency Wallets 44->119 49 cmd.exe 44->49         started        file18 signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2022-03-14 05:45:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wn4pj2dwb7varbmilctixgcxs7yla6mpa5ydnlmwqm7arod6ac6q._file
Verdict:
malicious
Similar samples:
2a06da1f6bb8f01f932093ed9ae5f1ca2ff7b53b89dfd46a0102200cf3ebaead
Stop
2e71e3bcb39c87ae43d0019b5d62084b8eb2bb0ebe09c05d7cf2ad026082e527
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30d61c9063fe72a9a6a1519ad4a2c43dc7e88fac46904e6f7227fa789be5dbb6
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37c73441b4721b0231c8794d6d4fde63de828dbf59c18f64a52c7fc2e456fa80
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486ab4d9e0a524b8f734a9e45821538c31e18c7632af8e0765dc417b9a87c64d
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56a34b76ba7c81e554eeb1dcfe93a6d0f61103536f9a0387fb220768bd2149df
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80cdfc120b7824e7cb5b34fc9ab1b6b43b84dfb435fd8f3e681ad4ae0ebd41de
Stop
+ 964 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu ransomware
Link:
https://tria.ge/reports/220325-ktedfsabbk/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
c02f255c99a980cbc888727621f561c3cb3b564e3ba7ddbb488f27274140f6ba
MD5 hash:
93a7952e12514146824daca9b16922b5
SHA1 hash:
bb59961416fafa1408e14b82d54b7d225925acc3
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/a708135e-a0ae-4b8e-b090-10ed05afc255/
Parent samples :
b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd
a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1
1ee44e7fdab4cae9c908b950b86a5141cde35be944907f542125ee371c137e28
16caa6cee30e3a5de71eeadb718440145027eccddf1bc2dc053435d354d89ac4
3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1
02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457
SH256 hash:
b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd
MD5 hash:
e7b12f644d10e63d4456f96620814a9c
SHA1 hash:
5d690c279191e01576f2d04de37f7918959c4490
Link:
https://www.unpac.me/results/a708135e-a0ae-4b8e-b090-10ed05afc255/
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/b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd

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: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:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

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/257615/

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