Malware Analysis Report

2025-04-03 10:27

Sample ID 250301-f9exps1xfv
Target JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2
SHA256 8eeefe0e7bfb901097a69350dea875276afd36462db878b48e2637996f2ccc6f
Tags
upx latentbot modiloader defense_evasion discovery 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

8eeefe0e7bfb901097a69350dea875276afd36462db878b48e2637996f2ccc6f

Threat Level: Known bad

The file JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2 was found to be: Known bad.

Malicious Activity Summary

upx latentbot modiloader defense_evasion discovery persistence trojan

LatentBot

Latentbot family

ModiLoader, DBatLoader

UAC bypass

Modiloader family

ModiLoader Second Stage

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Deletes itself

Adds Run key to start application

Checks whether UAC is enabled

UPX packed file

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Uses Volume Shadow Copy service COM API

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-01 05:34

Signatures

UPX packed file

upx
Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2025-03-01 05:34

Reported

2025-03-01 05:36

Platform

win7-20241010-en

Max time kernel

149s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe"

Signatures

LatentBot

trojan latentbot

Latentbot family

latentbot

ModiLoader, DBatLoader

trojan modiloader

Modiloader family

modiloader

UAC bypass

defense_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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Deletes itself

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" C:\Windows\mstwain32.exe N/A

Checks whether UAC is enabled

defense_evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.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

UPX packed file

upx
Description Indicator Process Target
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Drops file in Windows directory

Description Indicator Process Target
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\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\mstwain32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.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

defense_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\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\mstwain32.exe

"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mindyourstep.zapto.org udp

Files

memory/3052-0-0x0000000000400000-0x0000000000450000-memory.dmp

memory/3052-1-0x0000000000400000-0x0000000000450000-memory.dmp

memory/3052-5-0x0000000002990000-0x00000000029A0000-memory.dmp

memory/3052-15-0x0000000002990000-0x000000000299D000-memory.dmp

memory/3052-14-0x0000000000400000-0x0000000000450000-memory.dmp

memory/3052-12-0x0000000002AE0000-0x0000000002B30000-memory.dmp

C:\Windows\mstwain32.exe

MD5 370b60a58381d1a56f77baa228ebf5d2
SHA1 c45431dae7f0e4529803dfff7ddc7cf6b6626162
SHA256 8eeefe0e7bfb901097a69350dea875276afd36462db878b48e2637996f2ccc6f
SHA512 7a0d575251917678beb40e1ae651d1845c481c4fe78d61c5d46b5f9478af4a9b932f6801169dc991fc9037af2074c1e2bfef0f55d5a9ad8b4e31fa6697fb9dc9

memory/3052-7-0x0000000002AE0000-0x0000000002B30000-memory.dmp

memory/1844-19-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1844-20-0x0000000001DB0000-0x0000000001DBE000-memory.dmp

memory/1844-23-0x0000000077110000-0x0000000077200000-memory.dmp

memory/1844-22-0x0000000077120000-0x0000000077121000-memory.dmp

memory/1844-24-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-25-0x0000000077110000-0x0000000077200000-memory.dmp

memory/1844-26-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-27-0x0000000000290000-0x0000000000298000-memory.dmp

memory/1844-28-0x0000000001DB0000-0x0000000001DBE000-memory.dmp

memory/1844-29-0x0000000077110000-0x0000000077200000-memory.dmp

memory/1844-30-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-33-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-36-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-40-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-43-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-46-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-49-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-52-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-55-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-58-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-61-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-64-0x0000000000400000-0x0000000000450000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-01 05:34

Reported

2025-03-01 05:36

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe"

Signatures

LatentBot

trojan latentbot

Latentbot family

latentbot

ModiLoader, DBatLoader

trojan modiloader

Modiloader family

modiloader

UAC bypass

defense_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-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A

Deletes itself

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" C:\Windows\mstwain32.exe N/A

Checks whether UAC is enabled

defense_evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.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

UPX packed file

upx
Description Indicator Process Target
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Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\cmsetac.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\mstwain32.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\mstwain32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.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

defense_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\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\mstwain32.exe

"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_370b60a58381d1a56f77baa228ebf5d2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org 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 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp
US 8.8.8.8:53 mindyourstep.zapto.org udp

Files

memory/4884-0-0x0000000000400000-0x0000000000450000-memory.dmp

C:\Windows\mstwain32.exe

MD5 370b60a58381d1a56f77baa228ebf5d2
SHA1 c45431dae7f0e4529803dfff7ddc7cf6b6626162
SHA256 8eeefe0e7bfb901097a69350dea875276afd36462db878b48e2637996f2ccc6f
SHA512 7a0d575251917678beb40e1ae651d1845c481c4fe78d61c5d46b5f9478af4a9b932f6801169dc991fc9037af2074c1e2bfef0f55d5a9ad8b4e31fa6697fb9dc9

memory/4884-9-0x0000000000A10000-0x0000000000A11000-memory.dmp

memory/4884-12-0x0000000000400000-0x0000000000450000-memory.dmp

C:\Windows\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/1092-20-0x00000000005D0000-0x00000000005D1000-memory.dmp

C:\Windows\cmsetac.dll

MD5 7e0446473e1751503370b2047ad6324f
SHA1 1c71a253f5d3f531b2e361e8868418fdccd6c4c0
SHA256 4e082342fb594fb8eb6fd33c9cc559f778e51c0f0baeb93168917dc995f2f5fb
SHA512 b2f25c0bb65d4ac212f0ce95fe04f120e55b086be1e6e210676a4f08f0c37df666dafb17327b9d2e8bfd947c54bc8252d5b237a86aba11b33aa3fdf3e6be99a4

memory/1092-24-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

memory/1092-27-0x0000000000A90000-0x0000000000A91000-memory.dmp

memory/1092-28-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-29-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-31-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

memory/1092-30-0x0000000000670000-0x0000000000678000-memory.dmp

memory/1092-32-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-35-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-38-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-41-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-44-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-47-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-50-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-53-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-56-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-59-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-62-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-65-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1092-68-0x0000000000400000-0x0000000000450000-memory.dmp