Malware Analysis Report

2025-04-13 20:42

Sample ID 240704-ezdffswemd
Target 249d6d0079954b83a9ebc74007223055_JaffaCakes118
SHA256 b8c19a4b2c585cc1fce2084b17344fe5217b5c8efa1661ceff915737718bd3b8
Tags
upx modiloader evasion trojan
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

b8c19a4b2c585cc1fce2084b17344fe5217b5c8efa1661ceff915737718bd3b8

Threat Level: Known bad

The file 249d6d0079954b83a9ebc74007223055_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx modiloader evasion trojan

ModiLoader, DBatLoader

UAC bypass

ModiLoader Second Stage

Loads dropped DLL

UPX packed file

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-04 04:22

Signatures

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-04 04:22

Reported

2024-07-04 04:25

Platform

win7-20240611-en

Max time kernel

141s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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UPX packed file

upx
Description Indicator Process Target
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\VMPipe32.dll C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp

Files

memory/2096-0-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

\Users\Admin\AppData\Local\Temp\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/2096-10-0x0000000077660000-0x0000000077661000-memory.dmp

memory/2096-8-0x0000000001ED0000-0x0000000001EDE000-memory.dmp

memory/2096-12-0x0000000077650000-0x0000000077740000-memory.dmp

memory/2096-11-0x0000000077650000-0x0000000077740000-memory.dmp

\Users\Admin\AppData\Local\Temp\cmsetac.dll

MD5 d2b20db3f5352befbf6d2a38f3dd8d5c
SHA1 25cdc577ac81bca03def5b34916d4ffd81444604
SHA256 ef61b13e879b9ddacff5a073a53640b485951931fc68c6399fa6ffacaa91c5f6
SHA512 474a35c11a80f6bfb3718a520b89f8d747f4ac1e0ca9bda66c34a0692e08d8e0d4841c1931035faa4ccebc14fa26dac660331278d4a0696b59d8704092771435

memory/2096-15-0x0000000001ED0000-0x0000000001EDE000-memory.dmp

memory/2096-14-0x00000000003D0000-0x00000000003D8000-memory.dmp

memory/2096-13-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-16-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-17-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-20-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-23-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-26-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-29-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-32-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-35-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-38-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-41-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-44-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-47-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-50-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2096-53-0x0000000000400000-0x0000000000450000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-04 04:22

Reported

2024-07-04 04:24

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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UPX packed file

upx
Description Indicator Process Target
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\VMPipe32.dll C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\249d6d0079954b83a9ebc74007223055_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 20.189.173.13:443 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp

Files

memory/4172-0-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-1-0x0000000000500000-0x0000000000501000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

C:\Users\Admin\AppData\Local\Temp\cmsetac.dll

MD5 d2b20db3f5352befbf6d2a38f3dd8d5c
SHA1 25cdc577ac81bca03def5b34916d4ffd81444604
SHA256 ef61b13e879b9ddacff5a073a53640b485951931fc68c6399fa6ffacaa91c5f6
SHA512 474a35c11a80f6bfb3718a520b89f8d747f4ac1e0ca9bda66c34a0692e08d8e0d4841c1931035faa4ccebc14fa26dac660331278d4a0696b59d8704092771435

memory/4172-13-0x0000000002280000-0x000000000228E000-memory.dmp

memory/4172-16-0x0000000002230000-0x0000000002231000-memory.dmp

memory/4172-17-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-19-0x0000000002280000-0x000000000228E000-memory.dmp

memory/4172-18-0x0000000000B00000-0x0000000000B08000-memory.dmp

memory/4172-20-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-21-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-24-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-27-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-30-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-33-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-36-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-39-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-42-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-45-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-48-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-51-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-54-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4172-57-0x0000000000400000-0x0000000000450000-memory.dmp