Malware Analysis Report

2025-01-22 15:11

Sample ID 240220-ksb7psef95
Target AutoHotkey.exe
SHA256 04c1dc599f21e3a1f36070105d8f55b1f288fd1121eadfb9272f1eb7010aa307
Tags
orcus
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

04c1dc599f21e3a1f36070105d8f55b1f288fd1121eadfb9272f1eb7010aa307

Threat Level: Known bad

The file AutoHotkey.exe was found to be: Known bad.

Malicious Activity Summary

orcus

Orcurs Rat Executable

Orcus family

Orcus main payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-20 08:51

Signatures

Orcurs Rat Executable

Description Indicator Process Target
N/A N/A N/A N/A

Orcus family

orcus

Orcus main payload

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-20 08:51

Reported

2024-02-20 09:17

Platform

win7-20231215-en

Max time kernel

360s

Max time network

364s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AutoHotkey.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\AutoHotkey.exe

"C:\Users\Admin\AppData\Local\Temp\AutoHotkey.exe"

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe

"C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\oiypku7b.cmdline"

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES653A.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6539.tmp"

Network

N/A

Files

memory/2040-0-0x00000000022F0000-0x000000000234C000-memory.dmp

memory/2040-1-0x0000000000290000-0x000000000029E000-memory.dmp

memory/2040-2-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

memory/2040-3-0x0000000000950000-0x00000000009D0000-memory.dmp

memory/2040-4-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

\??\c:\Users\Admin\AppData\Local\Temp\oiypku7b.cmdline

MD5 c2fe51f845011595a54dc75cd2dc6b18
SHA1 8a5fffaede40f8114202961254a093dfc132e897
SHA256 8bcff02c80e4e7e365e8f801373762ae7fdf49ff795f106b7751e15aea30a427
SHA512 e579ebc6065599bdafa9c1b22c5bf9ffa4ac5b1f8e153e8f9739d72370c37637b98e947d3e86b7e06053bcce36bd89cb0e9d599ab66d57bb5631caf2c8c1a363

\??\c:\Users\Admin\AppData\Local\Temp\oiypku7b.0.cs

MD5 250321226bbc2a616d91e1c82cb4ab2b
SHA1 7cffd0b2e9c842865d8961386ab8fcfac8d04173
SHA256 ef2707f83a0c0927cfd46b115641b9cae52a41123e4826515b9eeb561785218d
SHA512 bda59ca04cdf254f837f2cec6da55eff5c3d2af00da66537b9ebaa3601c502ae63772f082fd12663b63d537d2e03efe87a3b5746ef25e842aaf1c7d88245b4e1

memory/2364-10-0x0000000000250000-0x00000000002D0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\RES653A.tmp

MD5 d186d8921f20e229d6a7fbd2d1250fbd
SHA1 cb30651c13e8f3530730190e874728d3bb2088b3
SHA256 a5b8146cbb83e29b250c0b04f6226cd021cbbb7b86b6369c20fa14aa880007af
SHA512 d797de793aab5210fb9614a33cd12064afb2def26f566d8d7b6c277504674787347ba817e9db1f5f28da4f2294728a8d814c87ba48b003fafc79d422acd5ba01

memory/2040-18-0x0000000000DD0000-0x0000000000DE6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\oiypku7b.dll

MD5 15f69630607d9953a40957a395b9f6dc
SHA1 c8bc04621d4775e657ff64ccc58e174952de8e90
SHA256 5b86b151250b3a20ab059b5a7152d0c457babdcd6f745732ad76e67ed9ebc38c
SHA512 b0c855c1e1641ea19409d2d0f94c14def71b608d32a1c0888bb1cf97878b23dccccf9b0cee3d15a9f3ad7bf94d8ad2afc7a4ac526676a1212da36f9e48fe21e4

\??\c:\Users\Admin\AppData\Local\Temp\CSC6539.tmp

MD5 aeacf363028be38bb1fee33d39b055a8
SHA1 51ade89be29d9ad3fd37fc873ccc89b86bddc50c
SHA256 77fe1edbf3b0a0d9c954573b59674ce9d9effa6186b08d10f26afbcb651a599b
SHA512 00df4e562481a6be02c0b2bff4bf30225c3523f45f63749a98676af9b274d97764cdf320ba65aefc2fd94d3c418a35fe2a9a6f810cdfb83217cc7318c9181af5

memory/2040-20-0x00000000002C0000-0x00000000002D2000-memory.dmp

memory/2040-21-0x0000000000B40000-0x0000000000B48000-memory.dmp

memory/2040-22-0x0000000000950000-0x00000000009D0000-memory.dmp

memory/2040-23-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

memory/2040-24-0x0000000000950000-0x00000000009D0000-memory.dmp