Malware Analysis Report

2025-08-10 16:41

Sample ID 241030-sb1gzawdll
Target 7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118
SHA256 b8c44342c1372780064501aceb77d518d93ffa250a74aaf21b5713830a874b45
Tags
upx defense_evasion discovery persistence privilege_escalation
score
8/10

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
8/10

SHA256

b8c44342c1372780064501aceb77d518d93ffa250a74aaf21b5713830a874b45

Threat Level: Likely malicious

The file 7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

upx defense_evasion discovery persistence privilege_escalation

Event Triggered Execution: AppInit DLLs

Loads dropped DLL

Deletes itself

Indicator Removal: File Deletion

Drops file in System32 directory

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 14:57

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

2024-10-30 14:57

Reported

2024-10-30 15:00

Platform

win7-20241023-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe"

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

Indicator Removal: File Deletion

defense_evasion

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\uname.nls C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\Imanena60.dll C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

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\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7FA696~1.EXE > nul

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7FA696~1.EXE > nul

Network

N/A

Files

memory/2604-0-0x0000000000400000-0x000000000040B000-memory.dmp

\Windows\SysWOW64\Imanena60.dll

MD5 058095179573b4b3f6251312fc74f775
SHA1 11e4f8dbe46eae68965fd6a7e0d5085896fb9081
SHA256 49f97bf25bc3772ba1f208ec37c376340f98769a538b4caeb91258d97a7efdf7
SHA512 d791dbb51e67ad067b8012b430a9c214036e16cd73e518f34076ee2c5d3c877aa6472e87c37a748562ddda76c218a9700b757b40ecddc09a9b32ac2263e61e2d

memory/2604-5-0x0000000010000000-0x000000001000B000-memory.dmp

memory/2604-8-0x0000000010000000-0x000000001000B000-memory.dmp

memory/2604-7-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 14:57

Reported

2024-10-30 15:00

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe"

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

Indicator Removal: File Deletion

defense_evasion

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\uname.nls C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\Imanena60.dll C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

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\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7fa69661ddcde7b9b7e7f6ecb1a19fc5_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7FA696~1.EXE > nul

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7FA696~1.EXE > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1756-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1756-6-0x0000000010000000-0x000000001000B000-memory.dmp

C:\Windows\SysWOW64\Imanena60.dll

MD5 058095179573b4b3f6251312fc74f775
SHA1 11e4f8dbe46eae68965fd6a7e0d5085896fb9081
SHA256 49f97bf25bc3772ba1f208ec37c376340f98769a538b4caeb91258d97a7efdf7
SHA512 d791dbb51e67ad067b8012b430a9c214036e16cd73e518f34076ee2c5d3c877aa6472e87c37a748562ddda76c218a9700b757b40ecddc09a9b32ac2263e61e2d

memory/1756-9-0x0000000010000000-0x000000001000B000-memory.dmp

memory/1756-8-0x0000000000400000-0x000000000040B000-memory.dmp