Malware Analysis Report

2024-10-24 17:10

Sample ID 240908-rkvseazgmp
Target d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118
SHA256 4e55263ebba2e1a281ab5448d15e8ad103f24869b97326ae4ab0496cf5be6fdc
Tags
macro xlm defense_evasion discovery
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

4e55263ebba2e1a281ab5448d15e8ad103f24869b97326ae4ab0496cf5be6fdc

Threat Level: Known bad

The file d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

macro xlm defense_evasion discovery

Process spawned unexpected child process

Suspicious Office macro

Deletes itself

Indicator Removal: File Deletion

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Enumerates system info in registry

NTFS ADS

Views/modifies file attributes

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-08 14:15

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-08 14:15

Reported

2024-09-08 14:18

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\wscript.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Deletes itself

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Indicator Removal: File Deletion

defense_evasion

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\attrib.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wscript.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\65967F00\:Zone.Identifier:$DATA C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2036 wrote to memory of 2028 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 2028 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 2028 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 2028 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 316 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 316 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 316 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 316 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 2028 wrote to memory of 1544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2028 wrote to memory of 1544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2028 wrote to memory of 1544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2028 wrote to memory of 1544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2036 wrote to memory of 1720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\wscript.exe
PID 2036 wrote to memory of 1720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\wscript.exe
PID 2036 wrote to memory of 1720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\wscript.exe
PID 2036 wrote to memory of 1720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\wscript.exe

Views/modifies file attributes

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

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\attrib.exe

attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\wscript.exe

"C:\Windows\System32\wscript.exe" E:\KK\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118_Search.vbs

Network

N/A

Files

memory/2036-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2036-1-0x00000000726ED000-0x00000000726F8000-memory.dmp

memory/2036-165-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-164-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-97-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-74-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-374-0x00000000726ED000-0x00000000726F8000-memory.dmp

memory/2036-375-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-376-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-377-0x0000000006260000-0x0000000006360000-memory.dmp

memory/2036-380-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2036-381-0x00000000726ED000-0x00000000726F8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 14:15

Reported

2024-09-08 14:18

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\system32\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\system32\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\system32\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Indicator Removal: File Deletion

defense_evasion

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\7D975E00\:Zone.Identifier:$DATA C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\attrib.exe N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\system32\attrib.exe

attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.32.7:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 7.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 253.15.104.51.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/3536-1-0x00007FFF6A82D000-0x00007FFF6A82E000-memory.dmp

memory/3536-0-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-2-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-4-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-3-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-5-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-8-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-7-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-6-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-9-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-10-0x00007FFF28270000-0x00007FFF28280000-memory.dmp

memory/3536-12-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-11-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-18-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-14-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-13-0x00007FFF28270000-0x00007FFF28280000-memory.dmp

memory/3536-20-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-22-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-21-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-19-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-17-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-16-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-15-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-48-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-52-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-53-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-59-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-58-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-68-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-69-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-67-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-51-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-42-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\d48c585a4363b551f08f9a4cc3c4c1d3_JaffaCakes118.xls

MD5 72bbb54e520a6bf02e063ccf8679ec93
SHA1 1cad26a303a47528008bd662fca7cf6467ec506c
SHA256 d59d6472f0362da9f6214bfa096f9d36cf47b908a850aef199fa359a827bcca8
SHA512 76d134b7bd605e0ca2f24158dce6266b5ee4beae025f595d3f2dc87950a3c80b367d94b6a87c3d9315a349b45a1e0ae87c52dfefada968f5c73e6fabb15c23a3

memory/3536-112-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-113-0x00007FFF6A82D000-0x00007FFF6A82E000-memory.dmp

memory/3536-114-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-115-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-116-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

memory/3536-117-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 016d8b2d104742e8bdc5eb1bb886643f
SHA1 e6293a7b5e371f55848b7d6e65e4f83a38a33594
SHA256 9495cd53b638e10fedec749012e33428d7052a086829c19c65d669aaaac3b036
SHA512 b130567802ec0f30b536e043bd453534b67464fbf1362123eef93363e5fb8dbd1132a1026e997a24f2569d5f9c4be1a4fb4e93bfa4312e186928e59ea80de402

memory/3536-139-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-142-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-141-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-140-0x00007FFF2A810000-0x00007FFF2A820000-memory.dmp

memory/3536-143-0x00007FFF6A790000-0x00007FFF6A985000-memory.dmp