MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 172dbb4029b78c3fdbc7840ac539c78cfef0c25f95228ca58bcae053df2da2da. 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



LegionLocker


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 172dbb4029b78c3fdbc7840ac539c78cfef0c25f95228ca58bcae053df2da2da
SHA3-384 hash: 90321393d94b5a753340a032bb4e13cdb426d7ee95944b6d997c4e40f0ce6be83b1d24192f22cbcb4a2418f2da82ed13
SHA1 hash: c9d7cb2745ae911687c57b0c5b0f7f92a11dd7b9
MD5 hash: d02f08a52705ed110c99235edf66cb30
humanhash: vermont-charlie-august-leopard
File name:1.exe
Download: download sample
Signature LegionLocker
File size:3'068'735 bytes
First seen:2021-05-05 10:09:30 UTC
Last seen:2021-05-05 11:17:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4328f7206db519cd4e82283211d98e83 (533 x RedLineStealer, 18 x Arechclient2, 15 x DCRat)
ssdeep 49152:zcacCfL/hArIyucCfshXnsSYYIgcf42o8vk3WgJPnpJPL3YsAkHuxp12svVEhkfy:zrj98Nuc+eXnsSYPJQ2pkGgJhJDY3p1G
Threatray 1'548 similar samples on MalwareBazaar
TLSH 01E5339C1355B659ED6016B2F228FF2FE750B44046DC89A8C33787EC8864B5E9D13ECA
Reporter starsSk87264403
Tags:exe LegionLocker

Intelligence


File Origin
# of uploads :
3
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LegionLocker2.1.exe
Verdict:
Malicious activity
Analysis date:
2021-04-30 07:42:42 UTC
Tags:
ransomware

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

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Changing a file
Sending a UDP request
Searching for analyzing tools
Searching for the window
Creating a window
Creating a file
Moving a recently created file
Reading critical registry keys
Stealing user critical data
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:
Cobra Locker LegionLocker
Detection:
malicious
Classification:
rans.spre.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Cobra Locker ransomware
Yara detected LegionLocker
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-30 14:53:41 UTC
AV detection:
31 of 47 (65.96%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion ransomware themida trojan
Behaviour
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Themida packer
Modifies extensions of user files
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
dcb842f5e0da9d486cad34d4b809dcaadf9ec4d6991fdb22bdc9aea66489ad1a
MD5 hash:
c02a029c978f13b753c6b578b1588c75
SHA1 hash:
e125d59451e7f467bfd329a00a506decbcd91d83
SH256 hash:
172dbb4029b78c3fdbc7840ac539c78cfef0c25f95228ca58bcae053df2da2da
MD5 hash:
d02f08a52705ed110c99235edf66cb30
SHA1 hash:
c9d7cb2745ae911687c57b0c5b0f7f92a11dd7b9
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:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash

File information


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

Comments