31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
1656s
max time network
1165s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2023 02:26

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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

2804 WINWORD.EXE
2804 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 2804 WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	2804	WINWORD.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

WINWORD.EXE

pid	process
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	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:2804

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\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2804-14-0x00007FFB98FF0000-0x00007FFB99000000-memory.dmp

Filesize
64KB

Download
memory/2804-57-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-13-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-4-0x00007FFB9B950000-0x00007FFB9B960000-memory.dmp

Filesize
64KB

Download
memory/2804-6-0x00007FFB9B950000-0x00007FFB9B960000-memory.dmp

Filesize
64KB

Download
memory/2804-7-0x00007FFB9B950000-0x00007FFB9B960000-memory.dmp

Filesize
64KB

Download
memory/2804-8-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-9-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-5-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-10-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-12-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-11-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-2-0x00007FFB9B950000-0x00007FFB9B960000-memory.dmp

Filesize
64KB

Download
memory/2804-3-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-23-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-16-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-17-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-18-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-19-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-21-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-22-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-15-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-20-0x00007FFB98FF0000-0x00007FFB99000000-memory.dmp

Filesize
64KB

Download
memory/2804-1-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-55-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-56-0x00007FFBDB8D0000-0x00007FFBDBAC5000-memory.dmp

Filesize
2.0MB

Download
memory/2804-0-0x00007FFB9B950000-0x00007FFB9B960000-memory.dmp

Filesize
64KB

Download