31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
224s
max time network
256s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2023 04:42

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General

Target

Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx
Size

12KB
MD5

d5742309ba8146be9eab4396fde77e4e
SHA1

8aaa79ee4a81d02e1023a03aee62a47162a9ff04
SHA256

ed2b9e22aef3e545814519151528b2d11a5e73d1b2119c067e672b653ab6855a
SHA512

37367ea06191c8a949f6c092bc4137736b344cc9892bf8a19e149557919d9276fb1301009a700cede0f2ca05d6827c827992817aee7b8968a5429e433fe0c8ba
SSDEEP

192:60L6GkWglL+bzW6mlHRrZu87Fym3tZknRIhRHNwC3Eo+ETdlexwDvx/jVm9CoDFn:603kpLTZJHm+Eo+ETd4weCoDFLFd

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\mhtml:http:\175.24.190.249\note.html!x-usc:http:\175.24.190.249\note.html	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3868 WINWORD.EXE
3868 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 3868 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3868 WINWORD.EXE
3868 WINWORD.EXE
3868 WINWORD.EXE
3868 WINWORD.EXE
3868 WINWORD.EXE
3868 WINWORD.EXE
3868 WINWORD.EXE

pid	process
3868	WINWORD.EXE
3868	WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	3868	WINWORD.EXE

pid	process
3868	WINWORD.EXE
3868	WINWORD.EXE
3868	WINWORD.EXE
3868	WINWORD.EXE
3868	WINWORD.EXE
3868	WINWORD.EXE
3868	WINWORD.EXE

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\Challenge_FIles\Employees_Contact_Audit_Oct_2021.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3868

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\A836FA55.dat
Filesize
52B

MD5
07ffeff17a8a1a1209ab3c2690d569d4

SHA1
37cb513fabddcdbbaa2e7296b31a4bc9832e1b01

SHA256
57cfa30bb860b95b7012ed62427025959b671d270aaf67fc406fbc3c4f3c48d4

SHA512
743591e7bfe9936eee057c9d1769595d48c90ba28057d8ebd0f7299b8fcacd7b8fa50af30bd0b8b6e09f77ade16b47d6f0abb079d60e975443a57c514099ad86

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/3868-16-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-9-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-3-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-19-0x00007FF8DD3E0000-0x00007FF8DD3F0000-memory.dmp

Filesize
64KB

Download
memory/3868-7-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-8-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-5-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-20-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-10-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-11-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-12-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-13-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-14-0x00007FF8DD3E0000-0x00007FF8DD3F0000-memory.dmp

Filesize
64KB

Download
memory/3868-21-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-0-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-17-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-6-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-4-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-15-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-18-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-22-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-2-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-44-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-45-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-49-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-1-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-75-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-76-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-77-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-79-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-80-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download
memory/3868-78-0x00007FF8DFC30000-0x00007FF8DFC40000-memory.dmp

Filesize
64KB

Download
memory/3868-81-0x00007FF91FBB0000-0x00007FF91FDA5000-memory.dmp

Filesize
2.0MB

Download