MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 20aeb22457a14a29f5ab54b61db56759d492a72b0dc7a55575914e89bedaf177. 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
KoiLoader
Vendor detections: 15
| SHA256 hash: | 20aeb22457a14a29f5ab54b61db56759d492a72b0dc7a55575914e89bedaf177 |
|---|---|
| SHA3-384 hash: | ae07da8faa1f1824a4501d5c6bc2fd684735d6d3270ca2a283a16929eec3304f86abe3e3797972fc5116996ed85778b7 |
| SHA1 hash: | 41ded81f2c77ad6f5d1a68fd716ab684d624f070 |
| MD5 hash: | 092cd629871089b593a564c71a86e4ba |
| humanhash: | mississippi-colorado-virginia-september |
| File name: | causativenesszb.exe |
| Download: | download sample |
| Signature | KoiLoader |
| File size: | 185'344 bytes |
| First seen: | 2024-06-15 20:08:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 66deda4204cb009d8c01c3f28c17567f (34 x KoiLoader, 2 x AZORult) |
| ssdeep | 3072:3CmlA+2TGMF85+bkRG32foUP9GmPe97UoRh8ZPtzI4Z1x7NZ:SmlV4h8JG3QUz8rzVLx7NZ |
| Threatray | 26 similar samples on MalwareBazaar |
| TLSH | T1FB045DA178D15232C73314B6C9A089B4F97DF520DF69EADB1BB60C6D4B390D09663CA3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10523/12/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  V3n0mStrike |
| Tags: | dsestimation-com exe KoiLoader www-dsestimation-com |
Intelligence
File Origin
# of uploads :
1
# of downloads :
564
Origin country :
CLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20aeb22457a14a29f5ab54b61db56759d492a72b0dc7a55575914e89bedaf177.exe
Verdict:
Suspicious activity
Analysis date:
2024-06-15 20:11:08 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
92.5%
Link:
Tags:
Kryptik
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Verdict:
Malicious
Labled as:
Lazy.Generic
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:
Kpot stealer
Verdict:
Malicious
Result
Threat name:
AZORult++, KoiLoader
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Detected AZORult++ Trojan
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected KoiLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2024-06-14 21:20:01 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 16 additional samples on MalwareBazaar
Result
Malware family:
koiloader
Score:
10/10
Tags:
family:koiloader loader
Behaviour
Detects KoiLoader payload
KoiLoader
Malware Config
C2 Extraction:
http://81.19.141.115/marasmus.php
Unpacked files
SH256 hash:
88628a0df70e481e03d0572546dc5ae9fc75d105ec82bc00c30480a1e680a8f6
MD5 hash:
16069ef09c0e52df74d3e06c934253fb
SHA1 hash:
c392fc8833172284516113f806a8aacda8d9ba0a
Detections:
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
20aeb22457a14a29f5ab54b61db56759d492a72b0dc7a55575914e89bedaf177
MD5 hash:
092cd629871089b593a564c71a86e4ba
SHA1 hash:
41ded81f2c77ad6f5d1a68fd716ab684d624f070
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | Windows_Generic_Threat_1417511b |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW |
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