Malware Analysis Report

2024-10-23 19:35

Sample ID 240504-25ft4aef6x
Target 14e57d2c04c905762814f529342cce88_JaffaCakes118
SHA256 c6151c5d48335fd572c244c372ed3d9781efd802ea3535767d708a8d9e8a15aa
Tags
modiloader evasion persistence 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

c6151c5d48335fd572c244c372ed3d9781efd802ea3535767d708a8d9e8a15aa

Threat Level: Known bad

The file 14e57d2c04c905762814f529342cce88_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion persistence trojan

ModiLoader, DBatLoader

ModiLoader Second Stage

UAC bypass

Modiloader family

ModiLoader Second Stage

Checks computer location settings

Deletes itself

Loads dropped DLL

Executes dropped EXE

Checks whether UAC is enabled

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Uses Volume Shadow Copy service COM API

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

System policy modification

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-04 23:09

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

2024-05-04 23:09

Reported

2024-05-04 23:12

Platform

win7-20231129-en

Max time kernel

149s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_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\system.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Deletes itself

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system.exe" C:\Windows\system.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\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\system.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\ntdtcstp.dll C:\Windows\system.exe N/A
File created C:\Windows\cmsetac.dll C:\Windows\system.exe N/A
File created C:\Windows\system.exe C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A
File opened for modification C:\Windows\system.exe C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_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\14e57d2c04c905762814f529342cce88_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\system.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

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

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\system.exe

"C:\Windows\system.exe" \melt "C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 zerone.no-ip.biz udp

Files

memory/2372-0-0x0000000000330000-0x0000000000331000-memory.dmp

memory/2372-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

C:\Windows\system.exe

MD5 14e57d2c04c905762814f529342cce88
SHA1 67d304a4b5d1944141cfbf6b37d385a1abfae0d3
SHA256 c6151c5d48335fd572c244c372ed3d9781efd802ea3535767d708a8d9e8a15aa
SHA512 7272dda6b2ae6352287267797cfae58d7d0cb8e8df5670aca5616929cb96fecc958f52f79967961d10a0f4e17f3951a93f5cc0b2de6a70e08cfef517c8dc1fe8

memory/2372-11-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-15-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1852-16-0x0000000001EF0000-0x0000000001EFE000-memory.dmp

memory/1852-18-0x0000000074BC0000-0x0000000074BC1000-memory.dmp

memory/1852-19-0x0000000074BB0000-0x0000000074CA0000-memory.dmp

memory/1852-20-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-22-0x0000000001EF0000-0x0000000001EFE000-memory.dmp

memory/1852-21-0x0000000000270000-0x0000000000278000-memory.dmp

memory/1852-23-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-26-0x0000000074BB0000-0x0000000074CA0000-memory.dmp

memory/1852-27-0x0000000074BB0000-0x0000000074CA0000-memory.dmp

memory/1852-28-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-31-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-34-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-38-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-41-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-44-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-47-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-50-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-53-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-56-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-59-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1852-62-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 23:09

Reported

2024-05-04 23:12

Platform

win10v2004-20240419-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_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\system.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\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A

Deletes itself

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

Executes dropped EXE

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

Loads dropped DLL

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system.exe" C:\Windows\system.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\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\system.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\system.exe C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A
File opened for modification C:\Windows\system.exe C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\system.exe N/A
File created C:\Windows\cmsetac.dll C:\Windows\system.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\14e57d2c04c905762814f529342cce88_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\system.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system.exe N/A

Suspicious use of SetWindowsHookEx

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

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\system.exe

"C:\Windows\system.exe" \melt "C:\Users\Admin\AppData\Local\Temp\14e57d2c04c905762814f529342cce88_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa 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 zerone.no-ip.biz udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.106:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 106.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 24.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
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 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp
US 8.8.8.8:53 zerone.no-ip.biz udp

Files

memory/876-0-0x0000000000A20000-0x0000000000A21000-memory.dmp

C:\Windows\system.exe

MD5 14e57d2c04c905762814f529342cce88
SHA1 67d304a4b5d1944141cfbf6b37d385a1abfae0d3
SHA256 c6151c5d48335fd572c244c372ed3d9781efd802ea3535767d708a8d9e8a15aa
SHA512 7272dda6b2ae6352287267797cfae58d7d0cb8e8df5670aca5616929cb96fecc958f52f79967961d10a0f4e17f3951a93f5cc0b2de6a70e08cfef517c8dc1fe8

memory/876-10-0x0000000000400000-0x000000000044B000-memory.dmp

C:\Windows\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/4624-19-0x0000000000970000-0x0000000000971000-memory.dmp

memory/4624-23-0x00000000028E0000-0x00000000028EE000-memory.dmp

C:\Windows\cmsetac.dll

MD5 299ea17309018f33839ed1fcbd180e11
SHA1 3160b2f5ded2fbc7b2eca6082a5501a211708f49
SHA256 d736de9b09bdc5ffac79a9dcf8639df784566c3e4e672e7ffa28f3b5ea3fce4d
SHA512 be1170ccd9dcb9e72c393083e1629ae58c6805d8b5aa3f2d9b0bffec9e003fa8cf8ea95809e98d8166fa34e10c64c6302519fff86280d116e4f031bd73f2838a

memory/4624-26-0x0000000002790000-0x0000000002791000-memory.dmp

memory/4624-27-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-29-0x00000000028E0000-0x00000000028EE000-memory.dmp

memory/4624-28-0x0000000002120000-0x0000000002128000-memory.dmp

memory/4624-30-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-33-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-36-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-39-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-42-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-45-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-48-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-51-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-54-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-57-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-60-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-63-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4624-66-0x0000000000400000-0x000000000044B000-memory.dmp