3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37

Analysis

max time kernel
151s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 19:21

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General

Target

3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37.xls
Size

36KB
MD5

248db5be1d228a41495218fef2dc452f
SHA1

93b169f8f787f4c6612dca9ee8d1f71c3cbdf64f
SHA256

3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37
SHA512

a337f2957ad446bff1a964983796cc336b885665fe125543ccb109c02490d4dee8f86b038b4ea5ee11e4f2dcba928761461906618959349770c75c27b9877257
SSDEEP

768:FPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJlXLapYWNn/YvGhb:tok3hbdlylKsgqopeJBWhZFGkE+cL2N9

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	3500	3444	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-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3444 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

3444 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

3444 EXCEL.EXE
3444 EXCEL.EXE
3444 EXCEL.EXE
3444 EXCEL.EXE
3444 EXCEL.EXE
3444 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	explorer.exe

pid	process
3444	EXCEL.EXE

pid	process
3444	EXCEL.EXE

pid	process
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 3444 wrote to memory of 3500	3444	EXCEL.EXE	explorer.exe
PID 3444 wrote to memory of 3500	3444	EXCEL.EXE	explorer.exe
PID 788 wrote to memory of 1772	788	explorer.exe	WScript.exe
PID 788 wrote to memory of 1772	788	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\3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37.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:3444

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\HaAv2NoN.vbs
2⤵
- Process spawned unexpected child process
PID:3500

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\HaAv2NoN.vbs"
2⤵
PID:1772

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\HaAv2NoN.vbs
Filesize
573B

MD5
69465344d5b76e39cb992f22fd09f386

SHA1
83cf41eb9cebcc6d4add7e0f2eab4c26836fe124

SHA256
c99d0965477f6e63c6268697aad3d37ed51cbfa0d9bc01d84171a30ea6dec6c3

SHA512
183eff9f0c189dae02bae8e1ffbdcd69cfc56ea7ed4b2f0385c1cbfaf12ee99d9fe74b5fb1e431b712da17cbb399dd546759ffb5c3552dddeff74b44c495ea3d

Download Submit
memory/1772-141-0x0000000000000000-mapping.dmp

Download
memory/3444-132-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/3444-133-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/3444-134-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/3444-135-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/3444-136-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/3444-137-0x00007FFB6E6B0000-0x00007FFB6E6C0000-memory.dmp

Filesize
64KB

Download
memory/3444-138-0x00007FFB6E6B0000-0x00007FFB6E6C0000-memory.dmp

Filesize
64KB

Download
memory/3500-139-0x0000000000000000-mapping.dmp

Download