MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0
SHA3-384 hash: 2f1d81b274f1af1a457f8a4726ed2dee2242e37b9a42edab1acb38875d655df425c3008f26d8a6ec41cffe887a35a695
SHA1 hash: c3f095ba1a5d96e078fd8665dc807f516b81ef7e
MD5 hash: 2212e086551552532c3da53d857167a4
humanhash: early-four-hydrogen-whiskey
File name:Document.doc.scr
Download: download sample
Signature BlackMatter
Create hunting rule
File size:123'908 bytes
First seen:2024-04-25 09:44:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (82 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 1536:BzICS4AwwRlcz5AxE4vGP1iU8KnliIs3iocZMgkGJp153ZikZpUbZ7s:66glyuxE4GsUPnliByocWepRGbVs
TLSH T12BC32B21F212D0B3C87718F13736A5B1F39A8D2C19A56807EAD83F59BCB58232F15997
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Anonymous
Tags:BlackMatter exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
403
Origin country :
PL PL
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade overlay
Link:
https://www.filescan.io/uploads/662a261f54bafb7d21dd4cca/reports/9eb58751-7320-4a95-9827-30db23953c8b/overview
Verdict:
Malicious
Labled as:
Trojan.Ransom
Link:
https://www.hybrid-analysis.com/sample/dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0
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:
BlackMatter Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cfbc2780-66be-4cf6-9019-13091cf47457
Result
Threat name:
LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1431524
Signature
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2024-04-25 09:45:06 UTC
File Type:
PE (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=33celqsdiv45ivvmblquncta6g5nt5o6nrzlrdssykhyrzve63ia._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240425-lq3gjshe66/
Unpacked files
SH256 hash:
dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0
MD5 hash:
2212e086551552532c3da53d857167a4
SHA1 hash:
c3f095ba1a5d96e078fd8665dc807f516b81ef7e
Detections:
win_lockbit_auto
Create hunting rule
Darkside
Create hunting rule
Link:
https://www.unpac.me/results/f06ec8ce-4e0e-4ac0-9221-4bb829ba9d9d/
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/dec445c2434579d456ac0ae1468a60f1bad9f5de6c72b88e52c28f88e6a4f6d0

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:CRIME_WIN32_RANSOM_BLACKMATTER
Create hunting rule
Author:Rony (@r0ny_123)
Description:Detects Blackmatter ransomware
Rule name:Darkside
Create hunting rule
Author:@bartblaze
Description:Identifies Darkside ransomware.
Rule name:Windows_Ransomware_Lockbit_369e1e94
Create hunting rule
Author:Elastic Security
Rule name:win_lockbit_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.lockbit.

File information

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

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::LoadLibraryW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateMenu

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