MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6
SHA3-384 hash: e9d74ff27fc734cba4312fa33754ef5487072b5b31225fcbc9bf539676785cf3f5a7768f3d08c2d6fc7abe96b5dbca24
SHA1 hash: 74a883ce99e89b96b6da50d950fc5cb040c30f3a
MD5 hash: 273d4bf4641d75dbcf2995eb614a4f51
humanhash: enemy-rugby-bacon-gee
File name:Document.doc.scr
Download: download sample
Signature BlackMatter
Create hunting rule
File size:58'880 bytes
First seen:2024-04-29 12:53:15 UTC
Last seen:2024-05-08 07:36:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 795ac0c8980e7eada30923a008ec96ec (4 x BlackMatter)
ssdeep 384:66StJb1IcaxWYw1p0G1Ls1QuCm6Ee9nlAnXX5G6ow54gmQhDLU67L2Ro0VxdaA+T:6ZV1Ica4DNps1Qum3OIdGX
TLSH T107431B61F28C7CD5C00731B99C75E92A122ABB6B4D6C095F79B2B90B69772C33066D0F
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 :
263
# of downloads :
410
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
lockbit
Create hunting rule
ID:
1
File name:
ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 12:55:37 UTC
Tags:
loader ransomware lockbit
Link:
https://app.any.run/tasks/31b73bfb-6a25-4790-b354-374d816c0ffa

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

Behaviour
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
Launching a service
Changing a file
Moving a recently created file
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
Using the Windows Management Instrumentation requests
Replacing files
Moving a file to the %temp% directory
Connection attempt to an infection source
Stealing user critical data
Forced shutdown of a browser
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm masquerade obfuscated
Link:
https://www.filescan.io/uploads/662f9870c5dabc22b20c39f0/reports/737e8758-331f-48b3-b06c-91bfe91f2bb3/overview
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
Link:
https://www.hybrid-analysis.com/sample/ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6
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/a4999abf-d2a2-4390-af78-0269d8ed1dcb
Result
Threat name:
LockBit ransomware, TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433343
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1433343 Sample: Document.doc.scr.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 10 other signatures 2->68 9 Document.doc.scr.exe 15 2->9         started        14 ONENOTE.EXE 2->14         started        process3 dnsIp4 50 193.233.132.177, 49730, 80 FREE-NET-ASFREEnetEU Russian Federation 9->50 46 C:\Users\user\AppData\Local\...\lb[1].exe, PE32 9->46 dropped 48 C:\Users\user\AppData\...\1300432990.scr, data 9->48 dropped 78 Writes many files with high entropy 9->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->80 16 1300432990.scr 32 1002 9->16         started        52 svc.ms-acdc-teams.office.com 52.123.250.157, 443, 49741 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->52 file5 signatures6 process7 file8 30 C:\Users\user\...S_session_storek.AAtvmKv4L, DOS 16->30 dropped 32 {1AC14E77-02E7-4E5...nfo32_exe.AAtvmKv4L, DOS 16->32 dropped 34 C:\Users\user\AppData\...\data_0.AAtvmKv4L, DOS 16->34 dropped 36 137 other malicious files 16->36 dropped 54 Found potential ransomware demand text 16->54 56 Found Tor onion address 16->56 58 Contains functionality to detect hardware virtualization (CPUID execution measurement) 16->58 60 7 other signatures 16->60 20 D5F6.tmp 16->20         started        24 splwow64.exe 16->24         started        signatures9 process10 file11 38 C:\Users\user\...\ZZZZZZZZZZZZZZ (copy), data 20->38 dropped 40 C:\Users\user\...\YYYYYYYYYYYYYY (copy), data 20->40 dropped 42 C:\Users\user\...\XXXXXXXXXXXXXX (copy), data 20->42 dropped 44 23 other malicious files 20->44 dropped 70 Contains functionality to detect hardware virtualization (CPUID execution measurement) 20->70 72 Writes many files with high entropy 20->72 74 Hides threads from debuggers 20->74 76 Deletes itself after installation 20->76 26 cmd.exe 20->26         started        signatures12 process13 process14 28 conhost.exe 26->28         started       
Score:
54%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 12:12:37 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3w6escbhfioq6m43lbrhuz4vu7np6jluob2bi5gmsib3tknfntla._file
Verdict:
malicious
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Link:
https://tria.ge/reports/240429-p47j7sbd7z/
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 (364) files with added filename extension
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Unpacked files
SH256 hash:
ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6
MD5 hash:
273d4bf4641d75dbcf2995eb614a4f51
SHA1 hash:
74a883ce99e89b96b6da50d950fc5cb040c30f3a
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/8f09a14d-ed81-4a8f-a676-63ff7b46862d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ddbc4908272a/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/ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
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
Create hunting rule
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

Ransomware.BlackMatter

zip 7bf7dfc7534aec7b5ca71d147205d2b8a3ce113e5254bb342d9f9b69828cf8ee

BlackMatter

Executable exe ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7bf7dfc7534aec7b5ca71d147205d2b8a3ce113e5254bb342d9f9b69828cf8ee
  
Dropped by
MD5 7715b005583afa54fe25c1263f8d1289

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