Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zq62mawfmd
Target b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1
SHA256 b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1
Tags
discovery macro xlm
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

b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1

Threat Level: Known bad

The file b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1 was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:56

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 20:56

Reported

2024-11-11 20:58

Platform

win7-20241010-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1.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

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:\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

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 FindShellTrayWindow

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2992 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 1980 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2360 wrote to memory of 2248 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\b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1.xls

C:\Windows\SysWOW64\regsvr32.exe

regsvr32 C:\Uduw\soam1.OCX

C:\Windows\SysWOW64\regsvr32.exe

regsvr32 C:\Uduw\soam2.OCX

C:\Windows\SysWOW64\regsvr32.exe

regsvr32 C:\Uduw\soam3.OCX

Network

Country Destination Domain Proto
US 8.8.8.8:53 bosny.com udp
TH 203.150.230.190:443 bosny.com tcp
US 8.8.8.8:53 www.berekethaber.com udp
TR 31.192.214.3:443 www.berekethaber.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 bulldogironworksllc.com udp
US 185.230.63.107:443 bulldogironworksllc.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.75:80 r11.o.lencr.org tcp
US 8.8.8.8:53 www.bulldogironworksllc.com udp
US 34.149.87.45:443 www.bulldogironworksllc.com tcp

Files

memory/2360-1-0x0000000072C8D000-0x0000000072C98000-memory.dmp

memory/2360-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabB187.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarB1A9.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2360-181-0x0000000072C8D000-0x0000000072C98000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:56

Reported

2024-11-11 20:58

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1.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

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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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\b4cb86aa6ca492de9f23e7b733683f13781505ff53928be75b06cf91f93879e1.xls"

C:\Windows\SYSTEM32\regsvr32.exe

regsvr32 C:\Uduw\soam1.OCX

C:\Windows\SYSTEM32\regsvr32.exe

regsvr32 C:\Uduw\soam2.OCX

C:\Windows\SYSTEM32\regsvr32.exe

regsvr32 C:\Uduw\soam3.OCX

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 58.55.71.13.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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 bosny.com udp
TH 203.150.230.190:443 bosny.com tcp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 190.230.150.203.in-addr.arpa udp
US 8.8.8.8:53 www.bosny.com udp
TH 203.150.230.190:443 www.bosny.com tcp
US 8.8.8.8:53 www.berekethaber.com udp
TR 31.192.214.3:443 www.berekethaber.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 bulldogironworksllc.com udp
US 185.230.63.107:443 bulldogironworksllc.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.75:80 r11.o.lencr.org tcp
US 8.8.8.8:53 www.bulldogironworksllc.com udp
US 34.149.87.45:443 www.bulldogironworksllc.com tcp
US 8.8.8.8:53 3.214.192.31.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 107.63.230.185.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 45.87.149.34.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3968-1-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

memory/3968-2-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

memory/3968-0-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

memory/3968-3-0x00007FFFB712D000-0x00007FFFB712E000-memory.dmp

memory/3968-6-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-5-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-7-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

memory/3968-4-0x00007FFF77110000-0x00007FFF77120000-memory.dmp

memory/3968-8-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-10-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-9-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-11-0x00007FFF74DD0000-0x00007FFF74DE0000-memory.dmp

memory/3968-12-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-15-0x00007FFF74DD0000-0x00007FFF74DE0000-memory.dmp

memory/3968-14-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-16-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-13-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

memory/3968-41-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

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

MD5 918523badc9b2f727499a02a5e1cdf74
SHA1 d0e565d3708f951efff7c73f5ac5c97b3b5505b6
SHA256 5cfba581500bede39c1faf200cb18d8cdf24ab5fd9e4df5a45b82b7571af3107
SHA512 fbe967e0ebfff05bd0a9c643031035dfbd7438efa1509070bb8cd2547f6629e97b1d424a2dbaf0c6f102f7f062ffe8daca858acbf69e034a76d0f2a5ffce6773