Malware Analysis Report

2025-08-10 22:41

Sample ID 250127-znnghavnav
Target JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3
SHA256 c6b8d4ccff474538b855894be5afe5cf0a5ffec5382d7350af6e0b06525c1376
Tags
modiloader discovery persistence trojan upx
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

c6b8d4ccff474538b855894be5afe5cf0a5ffec5382d7350af6e0b06525c1376

Threat Level: Known bad

The file JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3 was found to be: Known bad.

Malicious Activity Summary

modiloader discovery persistence trojan upx

ModiLoader, DBatLoader

Modiloader family

ModiLoader Second Stage

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

UPX packed file

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 20:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 20:51

Reported

2025-01-27 20:54

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

Modiloader family

modiloader

ModiLoader Second Stage

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysServices = "C:\\Windows\\Winservices.exe" C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2316 set thread context of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe

UPX packed file

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Winservices.exe C:\Windows\SysWOW64\cmd.exe N/A
File opened for modification C:\Windows\Winservices.exe C:\Windows\SysWOW64\cmd.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Winservices.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2728 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe
PID 2728 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe
PID 2728 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe
PID 2728 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe"

C:\Windows\Winservices.exe

"C:\Windows\Winservices.exe"

Network

N/A

Files

memory/2728-4-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-8-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2728-5-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-2-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-12-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-11-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-10-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-9-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2728-13-0x0000000000130000-0x0000000000131000-memory.dmp

C:\Windows\Winservices.exe

MD5 ad7b9c14083b52bc532fba5948342b98
SHA1 ee8cbf12d87c4d388f09b4f69bed2e91682920b5
SHA256 17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae
SHA512 e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 20:51

Reported

2025-01-27 20:54

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

Modiloader family

modiloader

ModiLoader Second Stage

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysServices = "C:\\Windows\\Winservices.exe" C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5076 set thread context of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe

UPX packed file

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Winservices.exe C:\Windows\SysWOW64\cmd.exe N/A
File opened for modification C:\Windows\Winservices.exe C:\Windows\SysWOW64\cmd.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Winservices.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe C:\Windows\SysWOW64\cmd.exe
PID 2212 wrote to memory of 3604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe
PID 2212 wrote to memory of 3604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe
PID 2212 wrote to memory of 3604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Winservices.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392aa94cdcbc149255da7fd3b7c5ce3.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe"

C:\Windows\Winservices.exe

"C:\Windows\Winservices.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 184.115.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa 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 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/2212-2-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2212-3-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2212-4-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2212-6-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2212-5-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2212-7-0x0000000001840000-0x0000000001841000-memory.dmp

C:\Windows\Winservices.exe

MD5 d0fce3afa6aa1d58ce9fa336cc2b675b
SHA1 4048488de6ba4bfef9edf103755519f1f762668f
SHA256 4d89fc34d5f0f9babd022271c585a9477bf41e834e46b991deaa0530fdb25e22
SHA512 80e127ef81752cd50f9ea2d662dc4d3bf8db8d29680e75fa5fc406ca22cafa5c4d89ef2eac65b486413d3cdd57a2c12a1cb75f65d1e312a717d262265736d1c2

memory/2212-18-0x0000000000400000-0x000000000046C000-memory.dmp