Malware Analysis Report

2025-03-15 07:55

Sample ID 240802-12khfaselq
Target 75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1
SHA256 75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1
Tags
macro macro_on_action discovery
score
8/10

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
8/10

SHA256

75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1

Threat Level: Likely malicious

The file 75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

NTFS ADS

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-02 22:08

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-02 22:08

Reported

2024-08-02 22:09

Platform

win7-20240704-en

Max time kernel

55s

Max time network

18s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1.doc"

Signatures

Office macro that triggers on suspicious action

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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

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\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\~WRD0000.tmp\:Zone.Identifier:$DATA C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious behavior: RenamesItself

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/2736-0-0x000000002F641000-0x000000002F642000-memory.dmp

memory/2736-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2736-2-0x00000000717ED000-0x00000000717F8000-memory.dmp

memory/2736-4-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/2736-6-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/2736-9-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/2736-10-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/2736-8-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/2736-7-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/2736-5-0x00000000004B0000-0x00000000005B0000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\F30B23C8.wmf

MD5 f937c4642bcf3e4cf6584eb7ac8b2e8d
SHA1 6e3534df396b2563343e31cfd8356c3fe2058fa9
SHA256 4730755ff83f05bdd181e7a6893c116303ce927f46bbfa8beca49dbebad55c6d
SHA512 e8698bad42c29f4d92e3728d8721fcc4805bb4c306bc3072fea4826656f4a859e444727faf26c0493cbff2025a79d659f08c3689b3231742c80c2724e2a8663a

C:\Users\Admin\AppData\Local\Temp\75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1.doc

MD5 7b916f37bdf0cbfe129e538b8f6f6088
SHA1 6ca6ec3ec8c6ed599059f7c5d1b71d86a1486137
SHA256 39f0a50913efa9d4cc9c137bc11e692d792e8c0d5ed9aae13efe9f7a27912cd3
SHA512 81ea3f3ba78f7c7d889483d9edabc721a19e1c85ca12d59aea44f3e1d601afa7b9a9b8dd375557e9b7cadea6702cac28883ce35d1896710fec74daaf41bd51c1

memory/2736-27-0x00000000717ED000-0x00000000717F8000-memory.dmp

memory/2736-28-0x00000000004B0000-0x00000000005B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-02 22:08

Reported

2024-08-02 22:09

Platform

win10v2004-20240802-en

Max time kernel

46s

Max time network

18s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1.doc" /o ""

Signatures

Office macro that triggers on suspicious action

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

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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\~WRD0000.tmp\:Zone.Identifier:$DATA C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

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

Processes

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

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\75c3eab702e692c289ceb22372973fa274a3bc9e76df0fffb1bdd5a689c777b1.doc" /o ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
GB 2.16.167.138:443 metadata.templates.cdn.office.net tcp
US 8.8.8.8:53 binaries.templates.cdn.office.net udp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 24.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 138.167.16.2.in-addr.arpa udp

Files

memory/2800-2-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

memory/2800-1-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

memory/2800-0-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

memory/2800-3-0x00007FFAB1B8D000-0x00007FFAB1B8E000-memory.dmp

memory/2800-4-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

memory/2800-6-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-9-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-8-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-7-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-10-0x00007FFA6F8B0000-0x00007FFA6F8C0000-memory.dmp

memory/2800-11-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-14-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-16-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-18-0x00007FFA6F8B0000-0x00007FFA6F8C0000-memory.dmp

memory/2800-19-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-17-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-15-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-13-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-12-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-5-0x00007FFA71B70000-0x00007FFA71B80000-memory.dmp

memory/2800-47-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-53-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-54-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\90BB074E.wmf

MD5 f937c4642bcf3e4cf6584eb7ac8b2e8d
SHA1 6e3534df396b2563343e31cfd8356c3fe2058fa9
SHA256 4730755ff83f05bdd181e7a6893c116303ce927f46bbfa8beca49dbebad55c6d
SHA512 e8698bad42c29f4d92e3728d8721fcc4805bb4c306bc3072fea4826656f4a859e444727faf26c0493cbff2025a79d659f08c3689b3231742c80c2724e2a8663a

C:\Users\Admin\AppData\Local\Temp\~WRD0000.tmp

MD5 0e391270fd3381cff06fbcafe73452a1
SHA1 3d829ddcc15ab4f572a3d5fde6db3ae94fa0334c
SHA256 9d0289f147de687f983b08eeac63666e93bebcbe0323aeb931970ac1e3fa66d4
SHA512 5c18a9c8a9d0dfe5dcbfdb17475d9f025859b4bc10009a86d8e01bd788847a85c5cc9bb7e6041971f24c086ac51c5c4dc50e6e1f684a2625c726a3dfabbbb42a

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

MD5 c1de5b6b069409023bf79c28d45fdee9
SHA1 439e67ef3d13e8cefcadf7075631ef20bd78a6aa
SHA256 3e1d608181b6fee7061f53618ec5fd5fe9f7578fee9d45faed7e42c7bc644186
SHA512 53db69eaa1134a9dc7c5754277650f4c2ae9cd7bfb1c9caf3fcf329f977d1aaa58e4be39debf9f41fc2205cb28431a86e9b19fae15980ac9a69df8cdfbed83d9

memory/2800-99-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-100-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-101-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

memory/2800-102-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp