Malware Analysis Report

2024-10-24 17:10

Sample ID 240905-z6j7sszamr
Target 84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53
SHA256 84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53
Tags
macro xlm discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53

Threat Level: Known bad

The file 84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53 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

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 21:19

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 21:19

Reported

2024-09-05 21:20

Platform

win10v2004-20240802-en

Max time kernel

47s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.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 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

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\84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 wordpress.agrupem.com udp
DE 85.214.64.234:80 wordpress.agrupem.com tcp
US 8.8.8.8:53 andecam.com.ar udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 234.64.214.85.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
AR 179.43.124.129:80 andecam.com.ar tcp
AR 179.43.124.129:443 andecam.com.ar tcp
US 8.8.8.8:53 129.124.43.179.in-addr.arpa udp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 233.38.18.104.in-addr.arpa udp
AR 179.43.124.129:443 andecam.com.ar tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 deadcode200.c1.biz udp
BG 185.176.43.106:80 deadcode200.c1.biz tcp
US 8.8.8.8:53 hello-front.thlab.ru udp
US 8.8.8.8:53 106.43.176.185.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp

Files

memory/2616-3-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

memory/2616-2-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

memory/2616-0-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

memory/2616-1-0x00007FFFF4DED000-0x00007FFFF4DEE000-memory.dmp

memory/2616-5-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-9-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-14-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-13-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-15-0x00007FFFB2560000-0x00007FFFB2570000-memory.dmp

memory/2616-12-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-11-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-17-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-20-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-21-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-22-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-19-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-18-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-16-0x00007FFFB2560000-0x00007FFFB2570000-memory.dmp

memory/2616-10-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-8-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-7-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-6-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

memory/2616-4-0x00007FFFB4DD0000-0x00007FFFB4DE0000-memory.dmp

memory/2616-47-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-49-0x00007FFFF4DED000-0x00007FFFF4DEE000-memory.dmp

memory/2616-50-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

memory/2616-51-0x00007FFFF4D50000-0x00007FFFF4F45000-memory.dmp

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

MD5 1941ff9b4e9c64d790192c66bd3f1cd5
SHA1 f7dc0d4dadab5a6795fbbf8d59fad3e60db5862a
SHA256 fe611e2961c177ef8ea3d19dd683b80587dc0633e5b870d19c2e69dc33828cd2
SHA512 0b7a777c6ffe91bdf53959d04afbebc4a7e0dc046148fc903890321ae0a304b523411047afc8363848386617ea00ba3ce1f655454ee0b67af28dbdeed0ebeb0e

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-05 21:19

Reported

2024-09-05 21:20

Platform

win7-20240903-en

Max time kernel

42s

Max time network

43s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.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:\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
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

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 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 2184 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 1492 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1480 wrote to memory of 740 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\84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 wordpress.agrupem.com udp
DE 85.214.64.234:80 wordpress.agrupem.com tcp
US 8.8.8.8:53 andecam.com.ar udp
AR 179.43.124.129:80 andecam.com.ar tcp
AR 179.43.124.129:443 andecam.com.ar tcp
AR 179.43.124.129:443 andecam.com.ar tcp
US 8.8.8.8:53 deadcode200.c1.biz udp
BG 185.176.43.106:80 deadcode200.c1.biz tcp
US 8.8.8.8:53 hello-front.thlab.ru udp

Files

memory/1480-1-0x00000000720BD000-0x00000000720C8000-memory.dmp

memory/1480-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1480-2-0x00000000720BD000-0x00000000720C8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabF154.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarF196.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b