Malware Analysis Report

2025-04-13 20:45

Sample ID 240407-2ety2agd4y
Target e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118
SHA256 185750511eac369563dba5577c74d77fb0e8be919505c9412f9b4097e77aa528
Tags
upx modiloader trojan
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

185750511eac369563dba5577c74d77fb0e8be919505c9412f9b4097e77aa528

Threat Level: Known bad

The file e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx modiloader trojan

ModiLoader Second Stage

Modiloader family

ModiLoader, DBatLoader

ModiLoader Second Stage

UPX packed file

Suspicious use of SetThreadContext

Drops file in Program Files directory

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-07 22:30

Signatures

ModiLoader Second Stage

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

Modiloader family

modiloader

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 22:30

Reported

2024-04-07 22:33

Platform

win7-20240221-en

Max time kernel

121s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2716 set thread context of 2612 N/A C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe C:\Windows\SysWOW64\mstsc.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\Microsoft Shared\MSINFO\FieleWay.txt C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe"

C:\Windows\SysWOW64\mstsc.exe

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

Network

N/A

Files

memory/2716-0-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2716-1-0x0000000000280000-0x0000000000281000-memory.dmp

memory/2612-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2612-5-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2612-7-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2612-8-0x00000000009B0000-0x00000000009B0000-memory.dmp

memory/2716-9-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2716-10-0x0000000000400000-0x00000000004F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 22:30

Reported

2024-04-07 22:32

Platform

win10v2004-20240226-en

Max time kernel

115s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3484 set thread context of 1684 N/A C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe C:\Windows\SysWOW64\mstsc.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\Microsoft Shared\MSINFO\FieleWay.txt C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe N/A

Program crash

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

Processes

C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e600f2f8c6b034cff0742ea9c0c069fd_JaffaCakes118.exe"

C:\Windows\SysWOW64\mstsc.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1684 -ip 1684

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 12

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
DE 172.217.18.10:443 chromewebstore.googleapis.com tcp
DE 172.217.18.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.18.217.172.in-addr.arpa udp

Files

memory/3484-0-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/3484-2-0x0000000000B10000-0x0000000000B11000-memory.dmp

memory/1684-3-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/3484-4-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/3484-5-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/1684-6-0x0000000000B90000-0x0000000000B90000-memory.dmp