31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
130s
max time network
136s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-04-2024 01:13

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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

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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 1 IoCs

Processes:

WINWORD.EXE

pid process

3008 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeShutdownPrivilege 3008 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

3008 WINWORD.EXE
3008 WINWORD.EXE

pid	process
3008	WINWORD.EXE

description	pid	process
Token: SeShutdownPrivilege	3008	WINWORD.EXE

pid	process
3008	WINWORD.EXE
3008	WINWORD.EXE

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\Challenge_FIles\Employees_Contact_Audit_Oct_2021.docx"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3008

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{E3F04C8D-A647-4D76-87D6-34633079AF93}.FSD
Filesize
128KB

MD5
26c3243c5a4ecdd37a72188976f8a07f

SHA1
4ca5583950583aa335423d0b12d16c8c8221383d

SHA256
d5af99dee7851225946b8c1b26914dc7c964ba9118bfd5161a8255a87ff49b49

SHA512
34301d8ce3b836b88c0eda80e1e401325f788694d2ea7d4688ee345cb382b96af6b64170791eaefeb4c09da5cf9b31043364e7928655f7603db62277060da06a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD
Filesize
128KB

MD5
6cddef2a38b43208b20d005f667d8c82

SHA1
ed05ca23a37eb556d5958d596af03917c2be887c

SHA256
cc5d3098ccace086a9fb3ea3a092761337e1508957f2430e598aa006562a27d5

SHA512
532c6b0dcfa34f44bbb75ce054466d5383a9423879fe0139da0168b3e987a0cf67943e8a3092368fb9724d92ab78b974d562fd081248a41697d0f674ff047a52

Download Submit
C:\Users\Admin\AppData\Local\Temp\{EB52117F-2B9B-4C26-B95C-651F17CA9DC0}
Filesize
128KB

MD5
f5b932e3d662d9a27315e02f88896f57

SHA1
67c9f4260a02c09fe28473dab0f69543a8e4438a

SHA256
f77a214b3d2f99e8cc2c859b924ec4dbf969434b0ba250c7f112943aa642453a

SHA512
402ade09f97567b9c560b795f485040ca73f3354373dab39170460a6167b8989c96e06631c2f82a424b94cddaa779827e4e7cd5b01f8b88a3680a0cb0fe053c7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
bf0ca9c0659777c893db33c89084aa27

SHA1
0fdc70c399406c6d33591eccc29aed2d16ce9c47

SHA256
0d15d6258653c4524cc9b26f3b418bfc6dd52dd7767958db3b8a8113d9abf9ed

SHA512
3c84977e9d70c73ae170b1432134ccb16f5e612d8cc5ea670757984c4c6d48ff78794cf3fde8e57b9bc1bc59cdb6d427815c683c2c6bcf0e0cfbddf92c2ffac3

Download Submit
memory/3008-0-0x000000002F701000-0x000000002F702000-memory.dmp

Filesize
4KB

Download
memory/3008-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3008-2-0x00000000712DD000-0x00000000712E8000-memory.dmp

Filesize
44KB

Download
memory/3008-10-0x00000000712DD000-0x00000000712E8000-memory.dmp

Filesize
44KB

Download
memory/3008-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3008-94-0x00000000712DD000-0x00000000712E8000-memory.dmp

Filesize
44KB

Download