MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062
SHA3-384 hash: 24c7d462d4f64b10de120f984d7e528ca2c9d54cfa24da11ee54df167b43e66e3d60285353a2afc7095f034a78e49f3a
SHA1 hash: 17b78ad12b1ae1c037c5d39dbe7aa0e7de4ec809
MD5 hash: 81ee3f681043fedf57e73b20e6c3cf02
humanhash: black-delaware-mexico-mississippi
File name:SecuriteInfo.com.Win32.MalwareX-gen.23527.20110
Download: download sample
Signature BlackMatter
Create hunting rule
File size:5'735'936 bytes
First seen:2024-08-10 17:25:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:RBk5YfWV/DgIDf7LJzShceZVH3Strvi5/iu86hmfPyBDOlEEub3JUM:TknV/D0hJVHipsiu86hm32DOlEEkZ
TLSH T13F4633DEF3835CA6DE2D973940233170777288CAD844E25B49C4A75AAFB32CB1D42E56
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 3169ccccc4f1f179 (2 x Stealc, 1 x NetSupport, 1 x njrat)
Reporter SecuriteInfoCom
Tags:BlackMatter DarkTortilla exe lockbit LockBit 5.08 RedLineStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
502
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.23527.20110
Verdict:
Malicious activity
Analysis date:
2024-08-10 17:30:34 UTC
Tags:
darktortilla stealer metastealer
Link:
https://app.any.run/tasks/f97367ac-e723-4d08-abc0-7599fbfcc51d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.23527.20110.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b7a2bcaa5b40be0a9ff7cf
Tags:
Generic Nekark
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/66b7a2b5b1392db6bab1f33e/reports/c6bea06f-1d69-44ac-974f-b09a4deb0c28/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31cba91b-2364-44ae-8462-965982f51d41
Result
Threat name:
DarkTortilla, LockBit ransomware, PureLo
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1491048
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
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)
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 submitted file
Overwrites Mozilla Firefox settings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected LockBit ransomware
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1491048 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 10/08/2024 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 13 other signatures 2->43 8 SecuriteInfo.com.Win32.MalwareX-gen.23527.20110.exe 3 2->8         started        process3 file4 27 SecuriteInfo.com.W...23527.20110.exe.log, ASCII 8->27 dropped 51 Writes to foreign memory regions 8->51 53 Allocates memory in foreign processes 8->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->55 57 Injects a PE file into a foreign processes 8->57 12 AddInProcess32.exe 32 1002 8->12         started        16 AddInProcess32.exe 3 8->16         started        18 AddInProcess32.exe 8->18         started        signatures5 process6 file7 29 1696426835647.a833...n.jsonlz4.tbHU4R71K, DOS 12->29 dropped 31 C:\Users\user\...\xulstore.json.tbHU4R71K, data 12->31 dropped 33 C:\Users\...\webappsstore.sqlite.tbHU4R71K, data 12->33 dropped 35 173 other files (169 malicious) 12->35 dropped 59 Found potential ransomware demand text 12->59 61 Found Tor onion address 12->61 63 Overwrites Mozilla Firefox settings 12->63 71 2 other signatures 12->71 20 splwow64.exe 12->20         started        65 Writes to foreign memory regions 16->65 67 Allocates memory in foreign processes 16->67 69 Writes many files with high entropy 16->69 73 2 other signatures 16->73 23 InstallUtil.exe 16->23         started        signatures8 process9 signatures10 45 Found potential ransomware demand text 20->45 47 Found Tor onion address 20->47 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->49 25 conhost.exe 23->25         started        process11
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062/
Threat name:
Win32.Trojan.DarkTortilla
Create hunting rule
Status:
Malicious
First seen:
2024-08-06 18:15:34 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwtsrib6pfnkt6ykurqtowowxwyqpfyqpxh3bozdeu2rj6equbra._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access defense_evasion discovery ransomware spyware stealer
Link:
https://tria.ge/reports/240810-vzv89stekd/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Credentials from Password Stores: Credentials from Web Browsers
Renames multiple (326) files with added filename extension
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b19f6ffb-51fe-46e5-b52b-4d20fde51117
Unpacked files
SH256 hash:
995fa19d840a9518ee6dbffe7802a21c41d82cd166650e6f1b756688cb2bbd93
MD5 hash:
50a58257e6feb77126b173faa4155bbc
SHA1 hash:
e1669d79b3d9f2aa0f149df3d9c0203fb9a3fbd1
Detections:
win_lockbit_auto
Create hunting rule
Darkside
Create hunting rule
Link:
https://www.unpac.me/results/730830cb-7712-466c-932a-71c1383b779e/
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
Link:
https://www.unpac.me/results/730830cb-7712-466c-932a-71c1383b779e/
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
Link:
https://www.unpac.me/results/730830cb-7712-466c-932a-71c1383b779e/
SH256 hash:
2db82e9b91b1ccb1957b4e06ec49bfb0096e973213fc1786de1bbe3162f5df5a
MD5 hash:
27dea42a70bd7e948f1171ce873878a1
SHA1 hash:
b87051d51479c093cdf3e721acea4fd8b940b1e5
Link:
https://www.unpac.me/results/730830cb-7712-466c-932a-71c1383b779e/
SH256 hash:
5aa95f1a3ce8ff0bca0d4ce95655a055c1869c2eff9a88fccc9503d34ce2b8cc
MD5 hash:
a97911bb6773c2d599fe13fee12a4fad
SHA1 hash:
63397e69d23e6cf987a3a2e6c1f060d164bcbfff
Link:
https://www.unpac.me/results/730830cb-7712-466c-932a-71c1383b779e/
SH256 hash:
8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062
MD5 hash:
81ee3f681043fedf57e73b20e6c3cf02
SHA1 hash:
17b78ad12b1ae1c037c5d39dbe7aa0e7de4ec809
Link:
https://www.unpac.me/results/730830cb-7712-466c-932a-71c1383b779e/
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

BlackMatter

Executable exe 8da728a03e795aa9fb0aa4613759d6bdb10797107dcfb0bb23253514f890a062

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3099908/
  
Delivery method
Distributed via web download

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 (GUARD_CF)high

Comments