MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b977a85eeb03aa43fa26dcb782eaffe814d57a35564121f9958849b128300e8b. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b977a85eeb03aa43fa26dcb782eaffe814d57a35564121f9958849b128300e8b
SHA3-384 hash: 90afd33e28423db5a16639ebe63d3f3746e3896ded7e0e34a5f8440ffaf9556c8b705e03a5a205d605f3cc8ecdadaf0e
SHA1 hash: f15f1c409529e4d85c25e8a118d1170f2c27f605
MD5 hash: 8ad990de8f92c9ab69daf97480c655f0
humanhash: echo-six-failed-leopard
File name:B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe
Download: download sample
Signature Stop
Create hunting rule
File size:761'856 bytes
First seen:2023-01-27 17:30:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a831e53f0910e7de14cb2a019e65e1bd (5 x Smoke Loader, 2 x RedLineStealer, 1 x DanaBot)
ssdeep 12288:kWwFRB7+zPaI9msWm4Tf0imLUAJPed+zzpr5Rv9eo3WyDxXUEu8kMc:iRB7GP9xr4T8BRZBRrjp3TxE38kT
TLSH T117F412423A54C55EE1324872CF2DDFE5DB1DBCC189125A4337483E2E5AF82A18967ECB
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acedecee6eaee (119 x Smoke Loader, 44 x Amadey, 41 x Tofsee)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://65.108.249.43/

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe
Verdict:
Malicious activity
Analysis date:
2023-01-27 17:32:28 UTC
Tags:
trojan loader stealer vidar ransomware stop
Link:
https://app.any.run/tasks/d53dce15-6847-44b6-9da0-ba5f879d11f5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/357576/
Detection(s):
SecuriteInfo.com.MSIL-17.UNOFFICIAL
Create hunting rule

Win.Packed.Pwsx-9980703-0
Create hunting rule

Win.Packed.Ransomx-9981206-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
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
Sending a custom TCP request
Deleting a recently created file
DNS request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm azorult greyware lockbit packed
Link:
https://www.filescan.io/uploads/63d40a5789bd67c10fdacc42/reports/cf170de7-93b1-42f2-97f0-4b1a63d76d00/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/7b2a8e20-b5d0-4f6e-b89a-e4e0e977fab0
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160466
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Writes a notice file (html or txt) to demand a ransom
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793203 Sample: B977A85EEB03AA43FA26DCB782E... Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 5 other signatures 2->62 8 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 2->8         started        11 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 2->11         started        13 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 2->13         started        15 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Detected unpacking (changes PE section rights) 8->68 70 Detected unpacking (overwrites its own PE header) 8->70 74 2 other signatures 8->74 17 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 16 8->17         started        72 Injects a PE file into a foreign processes 11->72 22 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 1 16 11->22         started        24 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 12 13->24         started        26 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 12 15->26         started        process5 dnsIp6 50 ex3mall.com 17->50 38 C:\Users\user\_readme.txt, ASCII 17->38 dropped 40 C:\Users\user\Desktop\...\YPSIACHYXW.docx, data 17->40 dropped 42 C:\Users\user\Desktop\...\BPMLNOBVSB.mp3, data 17->42 dropped 48 4 other malicious files 17->48 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 52 api.2ip.ua 162.0.217.254, 443, 49701, 49702 ACPCA Canada 22->52 44 B977A85EEB03AA43FA...E814D57A3556412.exe, PE32 22->44 dropped 46 B977A85EEB03AA43FA...exe:Zone.Identifier, ASCII 22->46 dropped 28 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 B977A85EEB03AA43FA26DCB782EAFFE814D57A3556412.exe 12 28->33         started        36 conhost.exe 28->36         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b977a85eeb03aa43fa26dcb782eaffe814d57a35564121f9958849b128300e8b/
Threat name:
Win32.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-12-23 18:01:31 UTC
File Type:
PE (Exe)
Extracted files:
59
AV detection:
30 of 39 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xf32qxxlaoveh6rg3s3yf2x75aknk6rvkzasd6mvrbe3ckbqb2fq._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:19 discovery persistence ransomware stealer
Link:
https://tria.ge/reports/230127-v3pkwscc92/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://ex3mall.com/test1/get.php
https://t.me/litlebey
https://steamcommunity.com/profiles/76561199472399815
Unpacked files
SH256 hash:
1c9205c7c8f91d5df091b8f80064cbb6bb0abaad0643a8d5a41b7f57fb8796bf
MD5 hash:
e8af5b0c9d7b8d7f7357ee0fd9ea0218
SHA1 hash:
58a6671307eda70e55ea15dbc46d32769e6b2823
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/413fa57b-2882-49a3-bc5c-10ba03858934/
Parent samples :
58ffdedad7310d83d66e0ac607d7bd7271be5308adfa48c1a54447bd5c692ff1
b977a85eeb03aa43fa26dcb782eaffe814d57a35564121f9958849b128300e8b
SH256 hash:
b977a85eeb03aa43fa26dcb782eaffe814d57a35564121f9958849b128300e8b
MD5 hash:
8ad990de8f92c9ab69daf97480c655f0
SHA1 hash:
f15f1c409529e4d85c25e8a118d1170f2c27f605
Link:
https://www.unpac.me/results/413fa57b-2882-49a3-bc5c-10ba03858934/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b977a85eeb03/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/b977a85eeb03aa43fa26dcb782eaffe814d57a35564121f9958849b128300e8b

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:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
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/357576/

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