be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc

Analysis

max time kernel
174s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2023 23:34

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General

Target

SecuriteInfo.com.XF.AShadow.1205.1391.24007.xls
Size

36KB
MD5

95b76e54f8af81a0e045ca25a3190633
SHA1

2aa41013eb9ee260563341eb79a860737e495546
SHA256

be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc
SHA512

962d60dfa73fde181ce44ac8bb279e6e17b4fab01ec8b03449000ba9426333e615c36e85e26170d34225811dcca595c0fcf4de7173166d6990229c32626c457b
SSDEEP

768:VPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJNkVgnmcghFpM/u/:dok3hbdlylKsgqopeJBWhZFGkE+cL2N/

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	4000	2380	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2380 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

2380 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

2380 EXCEL.EXE
2380 EXCEL.EXE
2380 EXCEL.EXE
2380 EXCEL.EXE
2380 EXCEL.EXE
2380 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	explorer.exe

pid	process
2380	EXCEL.EXE

pid	process
2380	EXCEL.EXE

pid	process
2380	EXCEL.EXE
2380	EXCEL.EXE
2380	EXCEL.EXE
2380	EXCEL.EXE
2380	EXCEL.EXE
2380	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 2380 wrote to memory of 4000	2380	EXCEL.EXE	explorer.exe
PID 2380 wrote to memory of 4000	2380	EXCEL.EXE	explorer.exe
PID 4216 wrote to memory of 3476	4216	explorer.exe	WScript.exe
PID 4216 wrote to memory of 3476	4216	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\SecuriteInfo.com.XF.AShadow.1205.1391.24007.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\JW8cz.vbs
2⤵
- Process spawned unexpected child process
PID:4000

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4216

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\JW8cz.vbs"
2⤵
PID:3476

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

C:\Users\Public\Documents\JW8cz.vbs
Filesize
537B

MD5
f65684002422094aadae09710a481bfe

SHA1
640556bc42d210e7f2243fc509f1fbc8826c882c

SHA256
1300c6ac001a0ab23c9c180559146161f007ec8bb3136d0b1bcc9f37c65a2ba6

SHA512
3961079237e27078359f776e99d9de7a1b8277447bdf0326fbeaac63c0e3628be7f8eaa03fecad21d6067826e7b822af78058b7a0b1bd0e5402c906618cbe414

Download Submit
memory/2380-133-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/2380-134-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/2380-135-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/2380-136-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/2380-137-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/2380-138-0x00007FFE4F960000-0x00007FFE4F970000-memory.dmp

Filesize
64KB

Download
memory/2380-139-0x00007FFE4F960000-0x00007FFE4F970000-memory.dmp

Filesize
64KB

Download