MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9cb8fb06970ee8652983bdad227d24f50133853b64e29b76bae98b4063409b3. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: a9cb8fb06970ee8652983bdad227d24f50133853b64e29b76bae98b4063409b3
SHA3-384 hash: 930ef97f0562b27bcefd865f2c77d3e82cb7b027eb739d72495cf2092eb647f2a28df7272861c3976d6ccb285754eddf
SHA1 hash: 01a39435ca276181081543c1cfa857c4ede5f44e
MD5 hash: e0795b0c1047c66a60f6814fba9ab127
humanhash: connecticut-fifteen-foxtrot-idaho
File name:a9cb8fb06970ee8652983bdad227d24f50133853b64e29b76bae98b4063409b3
Download: download sample
Signature LockBit
File size:982'528 bytes
First seen:2022-03-08 23:56:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 216df81b1ef7bc2aa8ec52bbeef137c9 (38 x LockBit)
ssdeep 24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpd0F:Ujrc2So1Ff+B3k796G
Threatray 53 similar samples on MalwareBazaar
TLSH T1EB253A0593018F96C813207951FE8DB3A877073192BF1CE6A78466DC83B2FA5776B366
Reporter vxunderground
Tags:exe lockbit Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01AF88.exe
Verdict:
Malicious activity
Analysis date:
2022-03-08 20:09:26 UTC
Tags:
n/a

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

Behaviour
Adding an access-denied ACE
Creating a window
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Changing a file
Creating a file
Enabling the 'hidden' option for recently created files
Moving a recently created file
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying an executable file
Running batch commands
Creating a process with a hidden window
Launching a service
Launching a process
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Preventing system recovery
Encrypting user's files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe evasive exploit explorer.exe filecoder lockbit obfuscated ransomware shell32.dll virus
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:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.spre.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious names
Delayed program exit found
Deletes shadow drive data (may be related to ransomware)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Modification of Boot Configuration
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: WannaCry Ransomware
Spreads via windows shares (copies files to share folders)
Uses bcdedit to modify the Windows boot settings
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 585532 Sample: 275IUC2Zy2 Startdate: 09/03/2022 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Sigma detected: WannaCry Ransomware 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 7 275IUC2Zy2.exe 8 186 2->7         started        11 275IUC2Zy2.exe 2->11         started        13 275IUC2Zy2.exe 2->13         started        15 2 other processes 2->15 process3 file4 28 C:\Users\Default\Restore-My-Files.txt, ASCII 7->28 dropped 30 C:\Users\user\...\eventbeacons.dat.lockbit, DOS 7->30 dropped 32 e40ab7f4-ebc8-4ded...0.down_meta.lockbit, DOS 7->32 dropped 34 2 other files (none is malicious) 7->34 dropped 50 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 7->50 52 Creates autostart registry keys with suspicious names 7->52 54 Deletes shadow drive data (may be related to ransomware) 7->54 58 5 other signatures 7->58 17 cmd.exe 1 7->17         started        56 Hides threads from debuggers 11->56 signatures5 process6 signatures7 36 May disable shadow drive data (uses vssadmin) 17->36 38 Deletes shadow drive data (may be related to ransomware) 17->38 40 Uses bcdedit to modify the Windows boot settings 17->40 20 bcdedit.exe 1 17->20         started        22 bcdedit.exe 1 17->22         started        24 WMIC.exe 1 17->24         started        26 2 other processes 17->26 process8
Threat name:
Win32.Ransomware.LockBit
Status:
Malicious
First seen:
2022-03-08 23:57:08 UTC
File Type:
PE (Exe)
AV detection:
25 of 27 (92.59%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit evasion persistence ransomware
Behaviour
Interacts with shadow copies
Modifies Control Panel
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Deletes itself
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Lockbit
Unpacked files
SH256 hash:
a9cb8fb06970ee8652983bdad227d24f50133853b64e29b76bae98b4063409b3
MD5 hash:
e0795b0c1047c66a60f6814fba9ab127
SHA1 hash:
01a39435ca276181081543c1cfa857c4ede5f44e
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:ICMLuaUtil_UACMe_M41
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:INDICATOR_SUSPICIOUS_USNDeleteJournal
Author:ditekSHen
Description:Detects executables containing anti-forensic artifcats of deletiing USN change journal. Observed in ransomware
Rule name:Lockbit
Author:kevoreilly
Description:Lockbit Payload
Rule name:Lockbit2_Jul21
Author:CB @ ATR
Description:simple rule to detect latest Lockbit ransomware Jul 2021
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
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
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


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

Comments