635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e

Analysis

max time kernel
153s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 19:21

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General

Target

635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls
Size

36KB
MD5

823238cf7f45d08cd12ab987fd382628
SHA1

86207a86cdfa51080fe835200e3c746bad3d583a
SHA256

635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e
SHA512

d9fd81603a5f57fec9fb0f5794c053272ffa13fca207a89c0fbe51a76dac319d7b675c055740598942638b64f20ba932bca5c9bdfa0dbfd0f4447b697dc89fa4
SSDEEP

768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJchyvA4hamJvMC2qGVggG/:Pok3hbdlylKsgqopeJBWhZFGkE+cL2NG

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5032	4728	explorer.exe	EXCEL.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:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4728 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE
4728	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 4728 wrote to memory of 5032	4728	EXCEL.EXE	explorer.exe
PID 4728 wrote to memory of 5032	4728	EXCEL.EXE	explorer.exe
PID 3568 wrote to memory of 1880	3568	explorer.exe	WScript.exe
PID 3568 wrote to memory of 1880	3568	explorer.exe	WScript.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4728

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\DPQGxnY.vbs
2⤵
- Process spawned unexpected child process
PID:5032

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3568

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\DPQGxnY.vbs"
2⤵
PID:1880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Documents\DPQGxnY.vbs

Filesize
562B

MD5
63326eeb1f5f66859912bf5118f0660d

SHA1
dbe5e173b4ad20a6143c8149ae3cf9f47202a53e

SHA256
0d693006a96c1a8ba069a8f2b33de5b101af5ee107b7cc1d16ee9647b55abb7d

SHA512
9f2f657b512a3244cf235dffcf41fc83008d1ec8eef19e4202aeca4df7431f43db420662754e9b24dcd79f7b10b77d1155ceb0dc7f0c2ea773a62ab6a0239fc2

Download Submit
memory/1880-141-0x0000000000000000-mapping.dmp

Download
memory/4728-132-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4728-133-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4728-134-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4728-135-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4728-136-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4728-137-0x00007FFD141D0000-0x00007FFD141E0000-memory.dmp

Filesize
64KB

Download
memory/4728-138-0x00007FFD141D0000-0x00007FFD141E0000-memory.dmp

Filesize
64KB

Download
memory/5032-139-0x0000000000000000-mapping.dmp

Download