Malware Analysis Report

2024-08-06 14:01

Sample ID 240617-lysx3swalf
Target b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118
SHA256 4d6b7109a4c1640f0c68a06c53d54f64425d6cbe6c84d88fc18a0c5adedeb187
Tags
modiloader persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

4d6b7109a4c1640f0c68a06c53d54f64425d6cbe6c84d88fc18a0c5adedeb187

Threat Level: Known bad

The file b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader persistence trojan

ModiLoader Second Stage

ModiLoader, DBatLoader

Modiloader family

ModiLoader Second Stage

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-17 09:56

Signatures

ModiLoader Second Stage

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

Modiloader family

modiloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 09:56

Reported

2024-06-17 09:59

Platform

win7-20240221-en

Max time kernel

145s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

Description Indicator Process Target
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Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\host = "C:\\Users\\Admin\\AppData\\Local\\chost.exe" C:\Users\Admin\AppData\Local\chost.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1520 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe
PID 1520 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe
PID 1520 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe
PID 1520 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\chost.exe

"C:\Users\Admin\AppData\Local\chost.exe"

Network

N/A

Files

\Users\Admin\AppData\Local\chost.exe

MD5 b803cbdebe97b11bf1315129362e6cb9
SHA1 9c88cd51078c8f6b61fda47fae6a39ecd111f1e0
SHA256 4d6b7109a4c1640f0c68a06c53d54f64425d6cbe6c84d88fc18a0c5adedeb187
SHA512 fda931c19cb7ccc0768365087892be4619e9ece8546c185ab706ebfc907573fccccd4daeaa9f3a269c667bde3867f5a491381482418cd1d4b585f7a2ba397bb5

memory/1520-8-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-10-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-11-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-12-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-13-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-14-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-15-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-16-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-17-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-18-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-19-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-20-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-21-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-22-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1664-23-0x0000000000400000-0x000000000041B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 09:56

Reported

2024-06-17 09:59

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

Description Indicator Process Target
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\host = "C:\\Users\\Admin\\AppData\\Local\\chost.exe" C:\Users\Admin\AppData\Local\chost.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1568 wrote to memory of 1464 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe
PID 1568 wrote to memory of 1464 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe
PID 1568 wrote to memory of 1464 N/A C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\chost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b803cbdebe97b11bf1315129362e6cb9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\chost.exe

"C:\Users\Admin\AppData\Local\chost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.152:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 152.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 203.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\chost.exe

MD5 b803cbdebe97b11bf1315129362e6cb9
SHA1 9c88cd51078c8f6b61fda47fae6a39ecd111f1e0
SHA256 4d6b7109a4c1640f0c68a06c53d54f64425d6cbe6c84d88fc18a0c5adedeb187
SHA512 fda931c19cb7ccc0768365087892be4619e9ece8546c185ab706ebfc907573fccccd4daeaa9f3a269c667bde3867f5a491381482418cd1d4b585f7a2ba397bb5

memory/1568-7-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-9-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-10-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-11-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-12-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-13-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-14-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-15-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-16-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-17-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-18-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-19-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-20-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-21-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1464-22-0x0000000000400000-0x000000000041B000-memory.dmp