MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353
SHA3-384 hash: 5bef23c3443c27d32a4803a034db81e24c968709bb86a4e9c827c56ca009be2b1c9880c3281b5ccbef3f54411e84eee7
SHA1 hash: a55bd4921ced327f80954f69431f63edb4a0a56f
MD5 hash: 681a077f007bafe3d8f60b6c02b7d354
humanhash: october-ohio-william-eight
File name:61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353
Download: download sample
Signature Stop
Create hunting rule
File size:804'352 bytes
First seen:2022-03-28 06:13:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 75e06567c553fd5738bcb732c4034310 (3 x RedLineStealer, 1 x DanaBot, 1 x Stop)
ssdeep 12288:ZhdrUalx6nQpWYvhcQ44y2QTWf603mml+hjA3jPsWdcchDTiEOcPG5lB7aKXjqAH:ZvIBnQpWimVBmzlVDgHvFNuC5
Threatray 965 similar samples on MalwareBazaar
TLSH T14905233263C1E877C29A05715626CBB86DBF38301AB9C7077BA0476D4E313D4E67270A
File icon (PE):PE icon
dhash icon 5c599a3ce0c3c850 (43 x Stop, 37 x RedLineStealer, 36 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258360/
Detection(s):
Win.Packed.Crypterx-9942101-0
Create hunting rule

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/6241523b9253b276b78c8418/reports/5a91053f-c741-4bde-b945-5935ddce3842/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/2f989b3b-39da-4bf7-aebd-4410bac7f0c8
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965521
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598002 Sample: CzLTvqg3mE Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 6 other signatures 2->62 8 CzLTvqg3mE.exe 2->8         started        11 CzLTvqg3mE.exe 2->11         started        13 CzLTvqg3mE.exe 2->13         started        15 CzLTvqg3mE.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 CzLTvqg3mE.exe 18 8->17         started        68 Contains functionality to inject code into remote processes 11->68 22 CzLTvqg3mE.exe 1 16 11->22         started        70 Multi AV Scanner detection for dropped file 13->70 72 Machine Learning detection for dropped file 13->72 24 CzLTvqg3mE.exe 12 13->24         started        26 CzLTvqg3mE.exe 12 15->26         started        process5 dnsIp6 48 fuyt.org 210.92.250.133, 49782, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\KLIZUSIQEN.png, data 17->38 dropped 40 C:\Users\user\Desktop\DUUDTUBZFW.xlsx, data 17->40 dropped 46 3 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.218.244, 443, 49774, 49775 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\CzLTvqg3mE.exe, PE32 22->42 dropped 44 C:\Users\...\CzLTvqg3mE.exe:Zone.Identifier, ASCII 22->44 dropped 28 CzLTvqg3mE.exe 22->28         started        31 icacls.exe 22->31         started        52 192.168.2.1 unknown unknown 26->52 file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 CzLTvqg3mE.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-03-18 17:40:19 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
32 of 42 (76.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mg7raezr4ksqvpvn45x6x7kvpiy4bhw75grk5if2pf4kaynrunjq._file
Verdict:
malicious
Similar samples:
12559af5c2c626b4e492751a8235076667926d41d6a29d1792e8ce65164fc42c
Stop
2a06da1f6bb8f01f932093ed9ae5f1ca2ff7b53b89dfd46a0102200cf3ebaead
Stop
30d61c9063fe72a9a6a1519ad4a2c43dc7e88fac46904e6f7227fa789be5dbb6
Stop
45af7d799a8e6cd7b9427908e7bdba67693f63402b0b32316982656bf7d17462
Stop
923d2af76cd47509cd42c94e47b6198321b16c2123b09bb39aa26b8c3daf9647
Stop
b35685146d30d976ea7a856d4f6011e2433d8a40244c320be021d40ed33f0ee0
Stop
+ 955 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu ransomware
Link:
https://tria.ge/reports/220328-gzbmzacghr/
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:
9b60539b8dff99120d6a96b8ec89300375004fd822f2b5c859a7292f2fafc63b
MD5 hash:
21efd6d352c3ae16ce7d026a366ba929
SHA1 hash:
95e8a7dd52636bb727f64e6ddab718269869a5da
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/115e94d4-513c-41eb-9fa1-66dde818cac3/
Parent samples :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 hash:
61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353
MD5 hash:
681a077f007bafe3d8f60b6c02b7d354
SHA1 hash:
a55bd4921ced327f80954f69431f63edb4a0a56f
Link:
https://www.unpac.me/results/115e94d4-513c-41eb-9fa1-66dde818cac3/
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/61bf101331e2a50abeade76febfd557a31c09edfe9a2aea0ba7978a061b1a353

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:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
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/258360/

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