Malware Analysis Report

2024-11-30 19:31

Sample ID 240925-vyw46s1apc
Target f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118
SHA256 7a93b3d18a91b70cbf5f63e2b93686dc90f2c1c241ec92f128c6e40bd1e2ba3e
Tags
agilenet discovery upx
score
7/10

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
7/10

SHA256

7a93b3d18a91b70cbf5f63e2b93686dc90f2c1c241ec92f128c6e40bd1e2ba3e

Threat Level: Shows suspicious behavior

The file f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

agilenet discovery upx

Checks computer location settings

Drops startup file

Loads dropped DLL

Executes dropped EXE

Obfuscated with Agile.Net obfuscator

Suspicious use of SetThreadContext

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-25 17:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-25 17:24

Reported

2024-09-25 17:27

Platform

win7-20240903-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\appvernom.lnk C:\Users\Admin\AppData\Local\appvernom.exe N/A

Executes dropped EXE

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

Loads dropped DLL

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

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1348 set thread context of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe

UPX packed file

upx
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

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\f67fcbc55e6ff59bd37bc72cc5de178b_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\explorer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\appvernom.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\appvernom.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\appvernom.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\appvernom.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\appvernom.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2440 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2440 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2440 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2440 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2440 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2440 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2440 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2440 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1048 wrote to memory of 1348 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1048 wrote to memory of 1348 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1048 wrote to memory of 1348 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1048 wrote to memory of 1348 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1348 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\appvernom.exe"

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\appvernom.exe"

C:\Windows\explorer.exe

C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding

C:\Users\Admin\AppData\Local\appvernom.exe

"C:\Users\Admin\AppData\Local\appvernom.exe"

C:\Users\Admin\AppData\Local\appvernom.exe

"C:\Users\Admin\AppData\Local\appvernom.exe"

Network

N/A

Files

memory/2440-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

memory/2440-1-0x0000000000210000-0x0000000000268000-memory.dmp

memory/2440-2-0x0000000000270000-0x00000000002B2000-memory.dmp

memory/2440-3-0x00000000002F0000-0x0000000000318000-memory.dmp

memory/2440-4-0x0000000073CC0000-0x00000000743AE000-memory.dmp

memory/2440-5-0x0000000073CC0000-0x00000000743AE000-memory.dmp

memory/2440-8-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

memory/2440-9-0x0000000073CC0000-0x00000000743AE000-memory.dmp

memory/2440-10-0x0000000073CC0000-0x00000000743AE000-memory.dmp

C:\Users\Admin\AppData\Local\appvernom.exe

MD5 f67fcbc55e6ff59bd37bc72cc5de178b
SHA1 00bdb5a6f30c17404482f43e7fe72bcde0a2dfc2
SHA256 7a93b3d18a91b70cbf5f63e2b93686dc90f2c1c241ec92f128c6e40bd1e2ba3e
SHA512 22b059cb6d6dd6765d1e03d37a541d4ffcc6089687f54377cd21f2c7e34a89e6195115fbc90fd284412f462c8d885a653fc458f43be745faef9f4dfde81a895a

memory/1348-13-0x0000000000900000-0x0000000000958000-memory.dmp

memory/2332-16-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2332-18-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2332-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2332-20-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2332-23-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2332-25-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2332-26-0x0000000000400000-0x0000000000464000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-25 17:24

Reported

2024-09-25 17:27

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\appvernom.lnk C:\Users\Admin\AppData\Local\appvernom.exe N/A

Executes dropped EXE

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

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1812 set thread context of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe

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\appvernom.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_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\explorer.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\appvernom.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\appvernom.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1648 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1648 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1648 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1648 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1648 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1648 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2516 wrote to memory of 1812 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 2516 wrote to memory of 1812 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 2516 wrote to memory of 1812 N/A C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe
PID 1812 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\appvernom.exe C:\Users\Admin\AppData\Local\appvernom.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\appvernom.exe"

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\appvernom.exe"

C:\Windows\explorer.exe

C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding

C:\Users\Admin\AppData\Local\appvernom.exe

"C:\Users\Admin\AppData\Local\appvernom.exe"

C:\Users\Admin\AppData\Local\appvernom.exe

"C:\Users\Admin\AppData\Local\appvernom.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 68.144.22.2.in-addr.arpa udp

Files

memory/1648-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

memory/1648-1-0x0000000000E20000-0x0000000000E78000-memory.dmp

memory/1648-2-0x0000000007C60000-0x0000000007CA2000-memory.dmp

memory/1648-3-0x0000000003230000-0x0000000003258000-memory.dmp

memory/1648-5-0x00000000082C0000-0x0000000008864000-memory.dmp

memory/1648-6-0x0000000007E00000-0x0000000007E92000-memory.dmp

memory/1648-4-0x00000000749D0000-0x0000000075180000-memory.dmp

memory/1648-9-0x00000000749DE000-0x00000000749DF000-memory.dmp

memory/1648-10-0x00000000749D0000-0x0000000075180000-memory.dmp

memory/1648-12-0x00000000749D0000-0x0000000075180000-memory.dmp

C:\Users\Admin\AppData\Local\appvernom.exe

MD5 f67fcbc55e6ff59bd37bc72cc5de178b
SHA1 00bdb5a6f30c17404482f43e7fe72bcde0a2dfc2
SHA256 7a93b3d18a91b70cbf5f63e2b93686dc90f2c1c241ec92f128c6e40bd1e2ba3e
SHA512 22b059cb6d6dd6765d1e03d37a541d4ffcc6089687f54377cd21f2c7e34a89e6195115fbc90fd284412f462c8d885a653fc458f43be745faef9f4dfde81a895a

memory/1812-16-0x0000000008810000-0x00000000088AC000-memory.dmp

memory/3592-17-0x0000000000450000-0x0000000000470000-memory.dmp