faee1535a584a6b1fb7cf6699cef140cca7090e0f9e00b6a4711fa6ec6f1b9db

Analysis

max time kernel
149s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 02:40

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General

Target

faee1535a584a6b1fb7cf6699cef140cca7090e0f9e00b6a4711fa6ec6f1b9db.xlsm
Size

526KB
MD5

99b6c52bed17b7f8b5a61a2813c0243e
SHA1

36766c542a8929f29b95f6460f81c40ce74e3828
SHA256

faee1535a584a6b1fb7cf6699cef140cca7090e0f9e00b6a4711fa6ec6f1b9db
SHA512

3b9de708293bd528334cc6ffb22c4b29f61030b8c6e12b2ca8c8b054d9626f6cdce1c24f4e7087c7818fa38857830e03270b570d1e1b89b76a0a827582cc8fd3
SSDEEP

12288:hc608bO4Mbcq3IcBmi39FBYmx5DBsoogg+p+8C:h/XM93vBmi3DBr3Rw8C

Score

1^/10

Malware Config

Signatures

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4908 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4908 EXCEL.EXE
4908 EXCEL.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE
4908	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4908 wrote to memory of 5048	4908	EXCEL.EXE	splwow64.exe
PID 4908 wrote to memory of 5048	4908	EXCEL.EXE	splwow64.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\faee1535a584a6b1fb7cf6699cef140cca7090e0f9e00b6a4711fa6ec6f1b9db.xlsm"
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:4908

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:5048

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4148

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4908-0-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmp

Filesize
64KB

Download
memory/4908-2-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmp

Filesize
64KB

Download
memory/4908-3-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmp

Filesize
64KB

Download
memory/4908-4-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmp

Filesize
64KB

Download
memory/4908-1-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmp

Filesize
64KB

Download
memory/4908-6-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-7-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-5-0x00007FFAC3A8D000-0x00007FFAC3A8E000-memory.dmp

Filesize
4KB

Download
memory/4908-8-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-9-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-10-0x00007FFA81680000-0x00007FFA81690000-memory.dmp

Filesize
64KB

Download
memory/4908-13-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-12-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-11-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-16-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-18-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-17-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-15-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-14-0x00007FFA81680000-0x00007FFA81690000-memory.dmp

Filesize
64KB

Download
memory/4908-33-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmp

Filesize
2.0MB

Download