Malware Analysis Report

2024-10-23 19:36

Sample ID 240506-shda1sba25
Target 1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118
SHA256 76b93654dacd75b108276b40dedc7caf796ecfebb4aac0190937e4fafdb4ffdd
Tags
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

76b93654dacd75b108276b40dedc7caf796ecfebb4aac0190937e4fafdb4ffdd

Threat Level: Known bad

The file 1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion trojan

Modiloader family

ModiLoader Second Stage

ModiLoader, DBatLoader

UAC bypass

ModiLoader Second Stage

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Uses Volume Shadow Copy service COM API

System policy modification

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 15:07

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

2024-05-06 15:07

Reported

2024-05-06 15:09

Platform

win7-20231129-en

Max time kernel

143s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_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:\Windows\mstwain32.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A

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\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\mstwain32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\mstwain32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\cmsetac.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\mstwain32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\mstwain32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.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:\Windows\mstwain32.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\mstwain32.exe

"C:\Windows\mstwain32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 casmargosp.no.ip.org udp

Files

C:\Windows\mstwain32.exe

MD5 1d12ce798497b2b6723c0a43ad436fd0
SHA1 0f0a2d6228ed65d9a8bab2565c2436278096a807
SHA256 76b93654dacd75b108276b40dedc7caf796ecfebb4aac0190937e4fafdb4ffdd
SHA512 b1783e609cc3a13b984ef05f4dde147863697f2221f9c9daf1c2d1b1210a9f163029de4da84108220a1ed2c6725a13ca97bd56bf436a5acf92e21182d803c5f2

memory/2360-8-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-12-0x0000000002430000-0x000000000243E000-memory.dmp

memory/1256-14-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/1256-15-0x0000000075760000-0x0000000075761000-memory.dmp

memory/1256-16-0x0000000075750000-0x0000000075840000-memory.dmp

memory/1256-17-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-19-0x0000000002430000-0x000000000243E000-memory.dmp

memory/1256-18-0x0000000000330000-0x0000000000338000-memory.dmp

memory/1256-20-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-23-0x0000000075750000-0x0000000075840000-memory.dmp

memory/1256-24-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-27-0x0000000075750000-0x0000000075840000-memory.dmp

memory/1256-28-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-31-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-35-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-38-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-41-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-44-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-47-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-50-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-53-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-56-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1256-59-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 15:07

Reported

2024-05-06 15:09

Platform

win10v2004-20240419-en

Max time kernel

143s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_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:\Windows\mstwain32.exe N/A

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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.exe N/A

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\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\mstwain32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\mstwain32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\cmsetac.dll C:\Windows\mstwain32.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\mstwain32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\mstwain32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.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:\Windows\mstwain32.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d12ce798497b2b6723c0a43ad436fd0_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\mstwain32.exe

"C:\Windows\mstwain32.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 casmargosp.no.ip.org udp
US 8.8.8.8:53 casmargosp.no.ip.org udp

Files

C:\Windows\mstwain32.exe

MD5 1d12ce798497b2b6723c0a43ad436fd0
SHA1 0f0a2d6228ed65d9a8bab2565c2436278096a807
SHA256 76b93654dacd75b108276b40dedc7caf796ecfebb4aac0190937e4fafdb4ffdd
SHA512 b1783e609cc3a13b984ef05f4dde147863697f2221f9c9daf1c2d1b1210a9f163029de4da84108220a1ed2c6725a13ca97bd56bf436a5acf92e21182d803c5f2

memory/2396-10-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

memory/2396-9-0x0000000000400000-0x000000000044B000-memory.dmp

C:\Windows\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/1268-18-0x0000000000620000-0x0000000000621000-memory.dmp

memory/1268-22-0x00000000022A0000-0x00000000022AE000-memory.dmp

C:\Windows\cmsetac.dll

MD5 8591c0c10547cf4a1ac1bcc385cd7fa8
SHA1 4891edf15328280abf61177d56fd6ff72e362111
SHA256 802be7ca1867d4df01a5c2ad6ca3a5afa65badf5a621def4a5b07b83667711a8
SHA512 0cb88b77b290c36775b0c3f9d3475340382f65399c317801e13e71216b2ca47876a25bda601feef3475d1469b4595f8490b4d99372cd7083c6ea9e54fd40d03e

memory/1268-25-0x0000000002250000-0x0000000002251000-memory.dmp

memory/1268-26-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-28-0x00000000022A0000-0x00000000022AE000-memory.dmp

memory/1268-27-0x0000000000630000-0x0000000000638000-memory.dmp

memory/1268-29-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-32-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-35-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-38-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-41-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-44-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-47-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-50-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-53-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-56-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-59-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-62-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1268-65-0x0000000000400000-0x000000000044B000-memory.dmp