3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1

Analysis

max time kernel
184s
max time network
203s
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.1205.3053.20328.xls
Size

35KB
MD5

379146831e96c4374f3d05db46d978b2
SHA1

9e7d1e8042810ee3b691ee307caed7dd5fd0577d
SHA256

3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1
SHA512

618ea4e74f8385ddf402314bd1d6fa5ea134bd1dcccf168c39f4dd2b5a07f52f20cbcd8de70d486790c242974f579217f07f01c71c07ec178fcf358e27d4c466
SSDEEP

768:TPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ9dfPj5jlinfeoqMi9gZ:Lok3hbdlylKsgqopeJBWhZFGkE+cL2NV

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	220	2300	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-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2300 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

2300 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

2300 EXCEL.EXE
2300 EXCEL.EXE
2300 EXCEL.EXE
2300 EXCEL.EXE
2300 EXCEL.EXE
2300 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	explorer.exe

pid	process
2300	EXCEL.EXE

pid	process
2300	EXCEL.EXE

pid	process
2300	EXCEL.EXE
2300	EXCEL.EXE
2300	EXCEL.EXE
2300	EXCEL.EXE
2300	EXCEL.EXE
2300	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 2300 wrote to memory of 220	2300	EXCEL.EXE	explorer.exe
PID 2300 wrote to memory of 220	2300	EXCEL.EXE	explorer.exe
PID 2180 wrote to memory of 540	2180	explorer.exe	WScript.exe
PID 2180 wrote to memory of 540	2180	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.1205.3053.20328.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:2300

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\jUdB.vbs
2⤵
- Process spawned unexpected child process
PID:220

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\jUdB.vbs"
2⤵
PID:540

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\jUdB.vbs
Filesize
579B

MD5
98defe24b60b8181ffd406a3990e7215

SHA1
347c99b2cc0d2bd98667bb99ec97d9a80ac2ca50

SHA256
1f97559484ddc2e69fbd08b2ca7d8c5df38040a13a581bd12db11965d3151ed6

SHA512
791a97f7bc7a48485395a02d566f556fc118a8856d6eac796e9142b2f723039285fefe94888da1acb2ae4249f72edd956e3b2903199689b784959c985be79ed5

Download Submit
memory/2300-133-0x00007FF90E410000-0x00007FF90E420000-memory.dmp

Filesize
64KB

Download
memory/2300-134-0x00007FF90E410000-0x00007FF90E420000-memory.dmp

Filesize
64KB

Download
memory/2300-135-0x00007FF90E410000-0x00007FF90E420000-memory.dmp

Filesize
64KB

Download
memory/2300-136-0x00007FF90E410000-0x00007FF90E420000-memory.dmp

Filesize
64KB

Download
memory/2300-137-0x00007FF90E410000-0x00007FF90E420000-memory.dmp

Filesize
64KB

Download
memory/2300-138-0x00007FF90C3B0000-0x00007FF90C3C0000-memory.dmp

Filesize
64KB

Download
memory/2300-139-0x00007FF90C3B0000-0x00007FF90C3C0000-memory.dmp

Filesize
64KB

Download