Malware Analysis Report

2024-10-19 07:03

Sample ID 240509-hblcyaee3t
Target 28bb49f631945369f436b1ba38f8833d_JaffaCakes118
SHA256 f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e
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

f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e

Threat Level: Known bad

The file 28bb49f631945369f436b1ba38f8833d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion trojan

ModiLoader Second Stage

Modiloader family

ModiLoader, DBatLoader

UAC bypass

ModiLoader Second Stage

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Checks whether UAC is enabled

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

System policy modification

Uses Volume Shadow Copy service COM API

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 06:33

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

2024-05-09 06:33

Reported

2024-05-09 06:36

Platform

win7-20240508-en

Max time kernel

145s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

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\28bb49f631945369f436b1ba38f8833d_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\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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\28bb49f631945369f436b1ba38f8833d_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\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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 fadecesan.no-ip.org udp

Files

C:\Windows\mstwain32.exe

MD5 28bb49f631945369f436b1ba38f8833d
SHA1 b68e28aae33cbc48a7795b85ad5ae30ffc984b64
SHA256 f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e
SHA512 db2351386d4e983276b8416ccb9aa8fe860667ee89a71d52271d24a4ce2b72bf0dabc36686e86452036f91d47cb34dde7c489d1e8a169c515e394cef7a63fa1b

memory/2236-8-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-12-0x00000000003F0000-0x00000000003FE000-memory.dmp

memory/1464-14-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/1464-16-0x0000000075FC0000-0x00000000760B0000-memory.dmp

memory/1464-15-0x0000000075FD0000-0x0000000075FD1000-memory.dmp

memory/1464-17-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-18-0x00000000002F0000-0x00000000002F8000-memory.dmp

memory/1464-19-0x00000000003F0000-0x00000000003FE000-memory.dmp

memory/1464-20-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-23-0x0000000075FC0000-0x00000000760B0000-memory.dmp

memory/1464-24-0x0000000075FC0000-0x00000000760B0000-memory.dmp

memory/1464-25-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-28-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-31-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-35-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-38-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-41-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-44-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-47-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-50-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-53-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-56-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1464-59-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 06:33

Reported

2024-05-09 06:36

Platform

win10v2004-20240426-en

Max time kernel

143s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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:\Windows\mstwain32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\mstwain32.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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\28bb49f631945369f436b1ba38f8833d_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\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_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 8.8.8.8.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 fadecesan.no-ip.org udp
BE 88.221.83.248:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 248.83.221.88.in-addr.arpa udp
BE 88.221.83.248:443 www.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 fadecesan.no-ip.org udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 fadecesan.no-ip.org udp
US 8.8.8.8:53 fadecesan.no-ip.org udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 fadecesan.no-ip.org udp
US 8.8.8.8:53 fadecesan.no-ip.org 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 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 fadecesan.no-ip.org udp
US 8.8.8.8:53 fadecesan.no-ip.org udp

Files

C:\Windows\mstwain32.exe

MD5 28bb49f631945369f436b1ba38f8833d
SHA1 b68e28aae33cbc48a7795b85ad5ae30ffc984b64
SHA256 f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e
SHA512 db2351386d4e983276b8416ccb9aa8fe860667ee89a71d52271d24a4ce2b72bf0dabc36686e86452036f91d47cb34dde7c489d1e8a169c515e394cef7a63fa1b

memory/1572-10-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1572-9-0x00000000005E0000-0x00000000005E1000-memory.dmp

C:\Windows\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/2140-18-0x00000000006F0000-0x00000000006F1000-memory.dmp

C:\Windows\cmsetac.dll

MD5 7c3ff4d4d394fde7c693d04c488a55f8
SHA1 ae2b2acc7e91a910f9075e0e095b528e97827ba4
SHA256 4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8
SHA512 33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

memory/2140-22-0x0000000002260000-0x000000000226E000-memory.dmp

memory/2140-25-0x0000000002250000-0x0000000002251000-memory.dmp

memory/2140-26-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-28-0x0000000002260000-0x000000000226E000-memory.dmp

memory/2140-27-0x0000000002120000-0x0000000002128000-memory.dmp

memory/2140-29-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-32-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-35-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-38-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-41-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-44-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-47-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-50-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-53-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-56-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-59-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-62-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2140-65-0x0000000000400000-0x000000000044B000-memory.dmp