Malware Analysis Report

2025-01-22 16:11

Sample ID 241111-v5tydssemn
Target 2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e
SHA256 2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e
Tags
macro xlm 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

2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e

Threat Level: Known bad

The file 2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:34

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 17:34

Reported

2024-11-11 17:37

Platform

win7-20241010-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e.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\regsvr32.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\regsvr32.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\regsvr32.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\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.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\regsvr32.exe N/A

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

Suspicious behavior: AddClipboardFormatListener

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 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2876 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2808 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 2928 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2412 wrote to memory of 1252 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe

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\2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 newkano.com udp
VN 120.72.98.107:443 newkano.com tcp
US 8.8.8.8:53 e6.o.lencr.org udp
GB 2.23.210.75:80 e6.o.lencr.org tcp
US 8.8.8.8:53 ocalogullari.com udp
TR 78.135.114.63:80 ocalogullari.com tcp
US 8.8.8.8:53 myphamcuatui.com udp
VN 103.74.117.54:443 myphamcuatui.com tcp
US 8.8.8.8:53 e5.o.lencr.org udp
GB 2.23.210.75:80 e5.o.lencr.org tcp
US 8.8.8.8:53 sieuthiphutungxenang.com udp
VN 112.213.89.85:80 sieuthiphutungxenang.com tcp
VN 112.213.89.85:443 sieuthiphutungxenang.com tcp

Files

memory/2412-1-0x0000000073E5D000-0x0000000073E68000-memory.dmp

memory/2412-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2412-15-0x0000000073E5D000-0x0000000073E68000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab564E.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar56FC.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:34

Reported

2024-11-11 17:37

Platform

win10v2004-20241007-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\2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e.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\regsvr32.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\regsvr32.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\regsvr32.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\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

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

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

Suspicious behavior: AddClipboardFormatListener

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\2b6a7f6001fcd7f82e550a6f1578c2986774a79c204631dae2b90f784e76470e.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 newkano.com udp
VN 120.72.98.107:443 newkano.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 107.98.72.120.in-addr.arpa udp
US 8.8.8.8:53 e6.o.lencr.org udp
GB 2.23.210.75:80 e6.o.lencr.org tcp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 ocalogullari.com udp
TR 78.135.114.63:80 ocalogullari.com tcp
US 8.8.8.8:53 myphamcuatui.com udp
VN 103.74.117.54:443 myphamcuatui.com tcp
US 8.8.8.8:53 63.114.135.78.in-addr.arpa udp
US 8.8.8.8:53 54.117.74.103.in-addr.arpa udp
US 8.8.8.8:53 e5.o.lencr.org udp
GB 2.23.210.75:80 e5.o.lencr.org tcp
US 8.8.8.8:53 sieuthiphutungxenang.com udp
VN 112.213.89.85:80 sieuthiphutungxenang.com tcp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp
VN 112.213.89.85:443 sieuthiphutungxenang.com tcp
US 8.8.8.8:53 85.89.213.112.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 200.64.52.20.in-addr.arpa udp

Files

memory/3272-0-0x00007FFBEB410000-0x00007FFBEB420000-memory.dmp

memory/3272-1-0x00007FFC2B42D000-0x00007FFC2B42E000-memory.dmp

memory/3272-2-0x00007FFBEB410000-0x00007FFBEB420000-memory.dmp

memory/3272-3-0x00007FFBEB410000-0x00007FFBEB420000-memory.dmp

memory/3272-4-0x00007FFBEB410000-0x00007FFBEB420000-memory.dmp

memory/3272-5-0x00007FFBEB410000-0x00007FFBEB420000-memory.dmp

memory/3272-7-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-6-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-11-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-12-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-10-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-13-0x00007FFBE8B70000-0x00007FFBE8B80000-memory.dmp

memory/3272-9-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-14-0x00007FFBE8B70000-0x00007FFBE8B80000-memory.dmp

memory/3272-8-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-17-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-16-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-15-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-19-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-18-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-35-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-39-0x00007FFC2B42D000-0x00007FFC2B42E000-memory.dmp

memory/3272-40-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

memory/3272-44-0x00007FFC2B390000-0x00007FFC2B585000-memory.dmp

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

MD5 98801816ff19e095e3868e9f862530be
SHA1 94974ab368bf4e7ffd38be015c10846a8baa4320
SHA256 15108434f317680078eb2f3d29cd4af69c3e2499177377decb9dc0c05f3f870e
SHA512 172ee54913ecfaa4ff2d19840b53ddaf6d5768264fcd25971febe58a65ce86b07ada989804ddc00cffa77dad0ceacd37c5e90406aae539fdc84d06ad205046a7