MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 442f78f823663cea5da451a9710ece34dbbb29d61985381e6393f6ea1219466b. 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
LockBit
Vendor detections: 13
| SHA256 hash: | 442f78f823663cea5da451a9710ece34dbbb29d61985381e6393f6ea1219466b |
|---|---|
| SHA3-384 hash: | 7a220d5a962d86016a5db55cb76dddc6ee326b3273bd177a3352b2d62e97b584d507ec986630cf59973e68084e0c6c59 |
| SHA1 hash: | 5bb4d855b203b3382e60da82dda1f60ac23c4d51 |
| MD5 hash: | c02f115f992320c4106e8c0463432902 |
| humanhash: | leopard-mars-charlie-skylark |
| File name: | RR.bin |
| Download: | download sample |
| Signature | LockBit |
| File size: | 155'648 bytes |
| First seen: | 2023-04-17 12:16:27 UTC |
| Last seen: | 2023-05-13 22:56:48 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 914685b69f2ac2ff61b6b0f1883a054d (37 x BlackMatter, 16 x LockBit, 1 x BlackMatte) |
| ssdeep | 3072:XqJogYkcSNm9V7DPSryeGqNrHQZQDYyT:Xq2kc4m9tDPSW2HaQDY |
| Threatray | 53 similar samples on MalwareBazaar |
| TLSH | T14CE36C21F15ED0B3C87718F2172AB17DB3EA4D2C1AA56803EAD50F48BCA49632F4595F |
| TrID | 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.1% (.EXE) Win32 Executable (generic) (4505/5/1) 7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.8% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  petikvx |
| Tags: | lockbit |
Intelligence
File Origin
# of uploads :
3
# of downloads :
373
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RR.exe
Verdict:
Malicious activity
Analysis date:
2023-04-17 02:14:50 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Launching a service
Using the Windows Management Instrumentation requests
Changing a file
Creating a file
Moving a recently created file
Delayed writing of the 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
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Stealing user critical data
Forced shutdown of a browser
Encrypting user's files
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.expl.evad.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (process start blacklist hit)
Found ransom note / readme
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Detection:
lockbit
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-04-17 12:17:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 43 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Score:
10/10
Tags:
family:lockbit ransomware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Drops file in Program Files directory
Drops file in System32 directory
Drops desktop.ini file(s)
Reads user/profile data of web browsers
Modifies extensions of user files
Process spawned unexpected child process
Unpacked files
SH256 hash:
442f78f823663cea5da451a9710ece34dbbb29d61985381e6393f6ea1219466b
MD5 hash:
c02f115f992320c4106e8c0463432902
SHA1 hash:
5bb4d855b203b3382e60da82dda1f60ac23c4d51
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | Rony (@r0ny_123) |
| Description: | Detects Blackmatter ransomware |
| Rule name: | Darkside |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Darkside ransomware. |
| Rule name: | Windows_Ransomware_Lockbit_369e1e94 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_lockbit_auto |
|---|---|
| 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.
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