Malware Analysis Report

2025-03-15 06:38

Sample ID 240531-c4ah9acc3s
Target 85c0a234cf35aa4786573998cf903176_JaffaCakes118
SHA256 165d1c5f892df712d48a2b3c4eac3904fd0dadfc5f4d5004e0405e9916da0a37
Tags
gh0strat persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

165d1c5f892df712d48a2b3c4eac3904fd0dadfc5f4d5004e0405e9916da0a37

Threat Level: Known bad

The file 85c0a234cf35aa4786573998cf903176_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Modifies Installed Components in the registry

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:37

Signatures

Gh0st RAT payload

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

Gh0strat family

gh0strat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 02:37

Reported

2024-05-31 02:39

Platform

win7-20240508-en

Max time kernel

41s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{gqpxydym-vfue-fhel-wkmr-opwuswwvsvzr} C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{gqpxydym-vfue-fhel-wkmr-opwuswwvsvzr}\ = "ϵͳÉèÖÃ" C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{gqpxydym-vfue-fhel-wkmr-opwuswwvsvzr}\stubpath = "C:\\Windows\\System32\\inykznpoh.exe" C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\inykznpoh.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\inykznpoh.exe C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\inykznpoh.exe_lang.ini C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\inykznpoh.exe_lang.ini C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\inykznpoh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\inykznpoh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 1872 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe C:\Windows\SysWOW64\inykznpoh.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe
PID 2360 wrote to memory of 2380 N/A C:\Windows\SysWOW64\inykznpoh.exe C:\Windows\SysWOW64\userinit.exe

Processes

C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe"

C:\Windows\SysWOW64\inykznpoh.exe

C:\Windows\System32\inykznpoh.exe

C:\Windows\SysWOW64\userinit.exe

userinit.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 syl1000.codns.com udp

Files

\Windows\SysWOW64\inykznpoh.exe

MD5 1a74e100599bb19105ca2b85514f7ceb
SHA1 63c0716085eeb4856efaec224e28b0692c693db4
SHA256 b5d44e347c83b2fc61a50714ef0860602943177bc227abfd16812275a716a910
SHA512 05e515a0b47b79ef7e250e0f6fe1f9da12047e976725ccbf3122b2ee3105a3025cf3d4d7139d24959c3b4a880406bba14925b9e2f70279fe63a1d6c00591866c

memory/2380-13-0x0000000000090000-0x0000000000091000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\259397370_lang.dll

MD5 84864b5b73f707bbb5e6717d7014c3a5
SHA1 3eb763b552b004b8d1b5b3ad7a943704562f3631
SHA256 37f89a38711dca337ca403925b3c0f85207cb3cd353f685f92a803de62a35f2c
SHA512 8044f2d7fdaaef040fbee4e2a69b93d81e95e6f8be0b4d13a26d4ff63ac9dd69faa8683e7b034db1699b3d718a190f76b4296892afd1dcee69144939dc085819

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:37

Reported

2024-05-31 02:39

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{omzrdtbw-7yte-bsfo-9hfb-qk46s8hza55q} C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{omzrdtbw-7yte-bsfo-9hfb-qk46s8hza55q}\ = "ϵͳÉèÖÃ" C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{omzrdtbw-7yte-bsfo-9hfb-qk46s8hza55q}\stubpath = "C:\\Windows\\System32\\invrckwrg.exe" C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\invrckwrg.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\userinit.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\invrckwrg.exe C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\invrckwrg.exe_lang.ini C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\invrckwrg.exe_lang.ini C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\invrckwrg.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\85c0a234cf35aa4786573998cf903176_JaffaCakes118.exe"

C:\Windows\SysWOW64\invrckwrg.exe

C:\Windows\System32\invrckwrg.exe

C:\Windows\SysWOW64\userinit.exe

userinit.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 syl1000.codns.com udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

C:\Windows\SysWOW64\invrckwrg.exe

MD5 f01e208f804087a5959c9853a0dab915
SHA1 86d66ded009708b0f951280ea5e8e71efd09c524
SHA256 c177f6a5e97536b4e65ffde26a8d35d1838716a2138df188180290c9e61c2f64
SHA512 ecede815a4d714f1c58495577a571ce1cc934d68df2168691e1eedf7644dec504a2f82cf47fe20c34c8b5f9429f8e571301e8e588bd88de8f5da4e031d49af07

C:\Users\Admin\AppData\Local\Temp\240600578_lang.dll

MD5 156c46e6f57880dc82d163cc30487a0d
SHA1 21cc7899f8f5a47f5bec74a7f38b665c9c92fdf0
SHA256 618b5fa2f1e1b84cd95113a5c08b2bf2223945bd0706cefa340ab2052b670557
SHA512 61df12aa3bab39e5b1f389370dca52fecdfc0443eaee5d6848818e6b20ee30dbff40525818b252d7e72cfff4d857bf4ce05ee88135f269956c0d65bd9f9cec3f