MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ace35adeb360b9e165e7c55065d12f192a3ec0ca601dd73b332bd8cd68d51fe. 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


Knight


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ace35adeb360b9e165e7c55065d12f192a3ec0ca601dd73b332bd8cd68d51fe
SHA3-384 hash: 6738fc4f02c8949654d27e1a661114a3c7afc52108785fa6e3f326d895a00f70bc6d7bdb58f83ba95f9d93e29876506b
SHA1 hash: 93be3c1f4ee7b10660083a5632857d773571c2d0
MD5 hash: 0466d2952a01e41b5f8025e7f7c1e122
humanhash: fillet-tango-table-fillet
File name:big_massive_gibbon.exe
Download: download sample
Signature Knight
Create hunting rule
File size:3'237'376 bytes
First seen:2023-08-14 15:53:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1690ad4d691723ad5b75d5b34ffedec (1 x Knight)
ssdeep 24576:8OSqHo/1S1q4W86JCjiwxg1NBFSFoBy4w42auPA0XOs6itD8K:8OzHoMABFCjiw21NnSGw42rD6it/
Threatray 3 similar samples on MalwareBazaar
TLSH T15EE5172B23A592BDE12EC33AC2938B52D93371750B73C5E71EE116694F56CC44E3E622
TrID 63.4% (.EXE) Win64 Executable (generic) (10523/12/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
0.1% (.VXD) VXD Driver (29/21)
File icon (PE):PE icon
dhash icon 40317969e9e96000 (17 x KnightCrypt, 1 x Knight)
Reporter ankit_anubhav
Tags:exe Knight Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
676
Origin country :
TH TH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TripAdvisorComplaint.zip
Verdict:
No threats detected
Analysis date:
2023-08-09 19:05:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/79c07b91-62c5-4e6f-a019-817a267fe681

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/442680/
Detection(s):
SecuriteInfo.com.FileRepMalware.16458.9936.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Unauthorized injection to a system process
Encrypting user's files
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/102849/overview
Behaviour
MalwareBazaar
CheckNumberOfProcessor
LanguageCheck
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control expand fingerprint keylogger lolbin remcos shell32
Link:
https://www.filescan.io/uploads/64da4de02a1db2a88acf337b/reports/2ca83cb0-5469-488c-bc0a-e6492578e6b6/overview
Verdict:
Malicious
Labled as:
Backdoor.Remcos
Link:
https://www.hybrid-analysis.com/sample/5ace35adeb360b9e165e7c55065d12f192a3ec0ca601dd73b332bd8cd68d51fe
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a5a8a11a-03d3-4176-8410-dc748df0da7f
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.rans.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1291046
Signature
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking mutex)
Found hidden mapped module (file has been removed from disk)
Found Tor onion address
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Writes a notice file (html or txt) to demand a ransom
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1291046 Sample: big_massive_gibbon.exe Startdate: 14/08/2023 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Machine Learning detection for dropped file 2->58 60 2 other signatures 2->60 7 big_massive_gibbon.exe 4 2->7         started        process3 dnsIp4 34 doi.org 104.26.8.237, 443, 49705 CLOUDFLARENETUS United States 7->34 36 www.doi.org 7->36 38 2 other IPs or domains 7->38 62 Writes to foreign memory regions 7->62 64 Maps a DLL or memory area into another process 7->64 11 cmd.exe 3 7->11         started        signatures5 process6 file7 30 C:\Users\user\AppData\Local\...\mfc140u.exe, PE32+ 11->30 dropped 32 C:\Users\user\AppData\Local\...\fnmqtofxnekeu, PE32+ 11->32 dropped 66 Writes to foreign memory regions 11->66 68 Found hidden mapped module (file has been removed from disk) 11->68 70 Maps a DLL or memory area into another process 11->70 15 mfc140u.exe 30 40 11->15         started        20 conhost.exe 11->20         started        signatures8 process9 dnsIp10 40 192.168.2.100 unknown unknown 15->40 42 192.168.2.101 unknown unknown 15->42 44 97 other IPs or domains 15->44 22 C:\Users\...\How To Restore Your Files.txt, ASCII 15->22 dropped 24 C:\Users\...\How To Restore Your Files.txt, ASCII 15->24 dropped 26 C:\Users\...\How To Restore Your Files.txt, ASCII 15->26 dropped 28 10 other malicious files 15->28 dropped 46 Detected unpacking (overwrites its own PE header) 15->46 48 Connects to many different private IPs via SMB (likely to spread or exploit) 15->48 50 Connects to many different private IPs (likely to spread or exploit) 15->50 52 3 other signatures 15->52 file11 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ace35adeb360b9e165e7c55065d12f192a3ec0ca601dd73b332bd8cd68d51fe/
Threat name:
Win64.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2023-08-09 21:24:29 UTC
File Type:
PE+ (Exe)
Extracted files:
18
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=llhdllplgyfz4fs6prkqmxis6gjkh3amuya5245tgk6yzvunkh7a._file
Verdict:
malicious
Similar samples:
019c873d4b11582413a486bc3607ddeec5829617bde1d6bdff61c93b721509c9
Knight
fa70210641dbdb01ebd60ff4b1e39efeeaa16d4570ef97f9f20824f5adb7d43c
Knight
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware
Link:
https://tria.ge/reports/230814-tbmfsadc35/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops desktop.ini file(s)
Enumerates connected drives
Loads dropped DLL
Renames multiple (154) files with added filename extension
Unpacked files
SH256 hash:
5ace35adeb360b9e165e7c55065d12f192a3ec0ca601dd73b332bd8cd68d51fe
MD5 hash:
0466d2952a01e41b5f8025e7f7c1e122
SHA1 hash:
93be3c1f4ee7b10660083a5632857d773571c2d0
Link:
https://www.unpac.me/results/b9d5ff63-2754-45ee-90fd-ec02a006d0e8/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/442680/

Comments