Malware Analysis Report

2025-01-03 08:14

Sample ID 240704-aay9eavdmf
Target 23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118
SHA256 8f8138f71eaa18c6e60064420558402c150b2d13b422d1cc9b32b24282d8bb3c
Tags
metasploit backdoor persistence trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8f8138f71eaa18c6e60064420558402c150b2d13b422d1cc9b32b24282d8bb3c

Threat Level: Known bad

The file 23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor persistence trojan upx

MetaSploit

Executes dropped EXE

Loads dropped DLL

UPX packed file

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-04 00:01

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-04 00:01

Reported

2024-07-04 00:05

Platform

win10v2004-20240611-en

Max time kernel

133s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5068 -ip 5068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 284

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/5068-0-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-04 00:01

Reported

2024-07-04 00:04

Platform

win7-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

C:\Windows\Explorer.EXE

Signatures

MetaSploit

trojan backdoor metasploit

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe 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
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\patches = "1" C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe ARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARM.exe" C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe ARMS = "\\AdobeARM.exe" C:\Users\Admin\AppData\Roaming\AdobeARM.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe ARMS = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeARM.exe" C:\Users\Admin\AppData\Roaming\AdobeARM.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2080 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe
PID 2080 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe
PID 2080 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe
PID 2080 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe
PID 2080 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe
PID 2080 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe
PID 2040 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2040 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2040 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2040 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2924 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2924 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2924 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2924 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2924 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2924 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Users\Admin\AppData\Roaming\AdobeARM.exe
PID 2608 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Windows\Explorer.EXE
PID 2608 wrote to memory of 1200 N/A C:\Users\Admin\AppData\Roaming\AdobeARM.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\AdobeARM.exe

C:\Users\Admin\AppData\Roaming\AdobeARM.exe 412 "C:\Users\Admin\AppData\Local\Temp\23ef5a22a51f7ddd5bcab4696b571bfa_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\AdobeARM.exe

"C:\Users\Admin\AppData\Roaming\AdobeARM.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pccw.hopto.org udp

Files

memory/2040-0-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2080-5-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2040-4-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2040-7-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2040-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2040-8-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2040-10-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2040-9-0x0000000000400000-0x000000000048E000-memory.dmp

\Users\Admin\AppData\Roaming\AdobeARM.exe

MD5 23ef5a22a51f7ddd5bcab4696b571bfa
SHA1 7cbb79c4aa3cbd0fb2e6b85329a28e7569d03262
SHA256 8f8138f71eaa18c6e60064420558402c150b2d13b422d1cc9b32b24282d8bb3c
SHA512 163bf4847513186f9afdf84ae7cdae5e1a2d79731b12aae3e8c4e96531b96ed2a337fe410356383beeecd49058aa335b4f95907a0df0a5b0ea14be7985819779

memory/2040-21-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2924-28-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2608-31-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2608-33-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2608-32-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2608-34-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2608-37-0x0000000000400000-0x000000000048E000-memory.dmp

memory/1200-35-0x0000000002A90000-0x0000000002A91000-memory.dmp

memory/2608-38-0x0000000000400000-0x000000000048E000-memory.dmp

memory/2608-39-0x0000000000400000-0x000000000048E000-memory.dmp