MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a5e813ec451cde49346d7e18aca31065846cafe52d88d08918a297196a6a49f. 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



Cylance


Vendor detections: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 7a5e813ec451cde49346d7e18aca31065846cafe52d88d08918a297196a6a49f
SHA3-384 hash: 3a2a1b47a11a7f98c5e31f695e23b5f98634a396f0718076066c57d021cc8974de5ee7b6d1bf9372e21841be0f3d7f0f
SHA1 hash: ff602997ce7bdd695a282bd373daf57bea7a051f
MD5 hash: 31ed39e13ae9da7fa610f85b56838dde
humanhash: coffee-mountain-charlie-fix
File name:cylance_ransomware_Windows-sample.exe.bin
Download: download sample
Signature Cylance
File size:154'624 bytes
First seen:2023-03-31 00:27:12 UTC
Last seen:2023-04-18 17:51:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4cd23d66c8d8b98e270477f817f6b6f7 (1 x Cylance)
ssdeep 3072:lAMP+TYgJWo6QD6ivAFvvYknplbZVaX6TEQZwRNfysqdoTPwum3n:OZNMnQFvM/lbbHTFZw/fLm3n
TLSH T13DE38B4679D09072E573183009F096F1892EFD301F21DEDB6F94497A5EA0EC2A935BBB
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter malware_traffic
Tags:cylance cylance_ransomware exe Ransomware

Intelligence


File Origin
# of uploads :
5
# of downloads :
1'053
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cylance_ransomware_Windows-sample.exe.bin
Verdict:
Malicious activity
Analysis date:
2023-03-31 00:28:21 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Launching a service
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Changing a file
Modifying an executable file
Sending an HTTP POST request
Creating a window
Delayed writing of the file
Reading critical registry keys
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Forced shutdown of a browser
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe filecoder greyware hacktool packed schtasks.exe shell32.dll stealer
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:
BTC-azadi Ransomware
Verdict:
Malicious
Result
Threat name:
RRansom, TrojanRansom
Detection:
malicious
Classification:
rans.spre.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to compare user and computer (likely to detect sandboxes)
Found evasive API chain (may stop execution after checking mutex)
Found ransom note / readme
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Spreads via windows shares (copies files to share folders)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected RRansom Ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838508 Sample: cylance_ransomware_Windows-... Startdate: 31/03/2023 Architecture: WINDOWS Score: 100 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Found ransom note / readme 2->54 56 3 other signatures 2->56 7 cylance_ransomware_Windows-sample.exe.bin.exe 508 2->7         started        12 cylance_ransomware_Windows-sample.exe.bin.exe 1 2->12         started        process3 dnsIp4 46 139.99.233.175, 49677, 49688, 80 OVHFR Canada 7->46 38 C:\...\LYNC_ChangeModality.wav.Cylance, DOS 7->38 dropped 40 C:\Program Files (x86)\...\Visa.au3.Cylance, COM 7->40 dropped 42 C:\...behaviorgraphuiTreeView.au3.Cylance, DOS 7->42 dropped 44 143 other files (132 malicious) 7->44 dropped 58 Found evasive API chain (may stop execution after checking mutex) 7->58 60 Writes a notice file (html or txt) to demand a ransom 7->60 62 Spreads via windows shares (copies files to share folders) 7->62 64 2 other signatures 7->64 14 cmd.exe 1 7->14         started        16 cmd.exe 1 7->16         started        19 cmd.exe 1 7->19         started        21 conhost.exe 7->21         started        23 conhost.exe 12->23         started        file5 signatures6 process7 signatures8 25 LPW4.tmp 3 14->25         started        28 conhost.exe 14->28         started        48 Uses schtasks.exe or at.exe to add and modify task schedules 16->48 30 conhost.exe 16->30         started        32 schtasks.exe 1 16->32         started        34 conhost.exe 19->34         started        36 schtasks.exe 1 19->36         started        process9 signatures10 66 Found evasive API chain (may stop execution after checking mutex) 25->66 68 Spreads via windows shares (copies files to share folders) 25->68
Threat name:
Win32.Ransomware.Celancyc
Status:
Malicious
First seen:
2023-03-12 17:07:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Drops file in Program Files directory
Enumerates connected drives
Checks computer location settings
Unpacked files
SH256 hash:
7a5e813ec451cde49346d7e18aca31065846cafe52d88d08918a297196a6a49f
MD5 hash:
31ed39e13ae9da7fa610f85b56838dde
SHA1 hash:
ff602997ce7bdd695a282bd373daf57bea7a051f
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments