MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85. 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



BlackMatter


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85
SHA3-384 hash: 9fa99311e71dc87273e37c982de2f2af19fc52f8154ee2b1dbd270d84d17ee8d9d955ed02b1d062c0e177da347a43178
SHA1 hash: d483d2515c55e74c1ddf76dd095b3fb1c8320b73
MD5 hash: a1784aa6993af25cb55a36154a954649
humanhash: friend-ink-lake-missouri
File name:Document.doc.scr
Download: download sample
Signature BlackMatter
File size:58'880 bytes
First seen:2024-04-29 13:06:05 UTC
Last seen:2024-05-23 19:09:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 795ac0c8980e7eada30923a008ec96ec (4 x BlackMatter)
ssdeep 384:uI4c41g5axWYwwp0G1Ls1QuCm6Ee9nlAnXX5G6ow54gmQhDLU67L2Ro0VxdaA+Yg:Kx1g5a4iNps1Qum3OIdGX
TLSH T1C8431B61F28C7CD5C00731B99C75E92A122ABB6B4D6C094F79B2B90B69772C33066D4F
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 3b67173b1b1f2f3b (13 x AgentTesla, 7 x BlackMatter, 3 x SnakeKeylogger)
Reporter cocaman
Tags:BlackMatter exe Ransomware.BlackMatter scr

Intelligence


File Origin
# of uploads :
438
# of downloads :
455
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 13:07:37 UTC
Tags:
loader lockbit ransomware

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

Behaviour
Launching a service
Changing a file
Moving a recently created file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Modifies multiple files
Moving a file to the %temp% directory
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Creating a file
Connection attempt to an infection source
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
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.
Result
Threat name:
LockBit ransomware, TrojanRansom
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Changes the wallpaper picture
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found potential ransomware demand text
Found ransom note / readme
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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
Overwrites Mozilla Firefox settings
Sample has a suspicious name (potential lure to open the executable)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected LockBit ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1433356 Sample: Document.doc.scr.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 10 other signatures 2->77 9 Document.doc.scr.exe 15 2->9         started        14 chrome.exe 2->14         started        16 chrome.exe 2->16         started        18 ONENOTE.EXE 2->18         started        process3 dnsIp4 65 193.233.132.177, 49730, 80 FREE-NET-ASFREEnetEU Russian Federation 9->65 47 C:\Users\user\AppData\Local\...\lbb[1].exe, PE32 9->47 dropped 49 C:\Users\user\AppData\...\2918120316.scr, data 9->49 dropped 87 Writes many files with high entropy 9->87 89 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->89 20 2918120316.scr 42 1002 9->20         started        67 192.168.2.4, 137, 138, 443 unknown unknown 14->67 69 239.255.255.250 unknown Reserved 14->69 24 chrome.exe 14->24         started        27 chrome.exe 16->27         started        file5 signatures6 process7 dnsIp8 39 C:\...\webappsstore.sqlite-shm.MIuB4Jpci, DOS 20->39 dropped 41 12f997af-c065-4562...00bb95c9b.MIuB4Jpci, DOS 20->41 dropped 43 C:\Users\user\AppData\...\cert9.db.MIuB4Jpci, DOS 20->43 dropped 45 292 other malicious files 20->45 dropped 79 Found potential ransomware demand text 20->79 81 Found Tor onion address 20->81 83 Contains functionality to detect hardware virtualization (CPUID execution measurement) 20->83 85 7 other signatures 20->85 29 C398.tmp 20->29         started        33 splwow64.exe 20->33         started        59 www.google.com 142.250.190.100, 443, 49737 GOOGLEUS United States 24->59 61 google.com 24->61 63 142.250.191.132, 443, 49750, 49751 GOOGLEUS United States 27->63 file9 signatures10 process11 file12 51 C:\Users\user\...\ZZZZZZZZZZZZZZ (copy), data 29->51 dropped 53 C:\Users\user\...\YYYYYYYYYYYYYY (copy), data 29->53 dropped 55 C:\Users\user\...\XXXXXXXXXXXXXX (copy), data 29->55 dropped 57 23 other malicious files 29->57 dropped 91 Contains functionality to detect hardware virtualization (CPUID execution measurement) 29->91 93 Writes many files with high entropy 29->93 95 Hides threads from debuggers 29->95 97 Deletes itself after installation 29->97 35 cmd.exe 29->35         started        signatures13 process14 process15 37 conhost.exe 35->37         started       
Threat name:
Win32.Ransomware.LockBit
Status:
Malicious
First seen:
2024-04-29 12:33:03 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Renames multiple (323) files with added filename extension
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Unpacked files
SH256 hash:
0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85
MD5 hash:
a1784aa6993af25cb55a36154a954649
SHA1 hash:
d483d2515c55e74c1ddf76dd095b3fb1c8320b73
Detections:
SUSP_XORed_URL_In_EXE
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information


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

Malspam

BlackMatter

Executable exe 0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85

(this sample)

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA

Comments