b6d50639de88bd75f4a139422a0f7c3fd02ecd3e3b54bc0fdf401dd63fcb7606

Analysis

max time kernel
35s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 04:37

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General

Target

b6d50639de88bd75f4a139422a0f7c3fd02ecd3e3b54bc0fdf401dd63fcb7606.xls
Size

37KB
MD5

b5a57a72c48e44799c088c625ece8683
SHA1

dfc81e89494aa84b5523a7db5ede7071c3b0ba77
SHA256

b6d50639de88bd75f4a139422a0f7c3fd02ecd3e3b54bc0fdf401dd63fcb7606
SHA512

ee472c2a6fa5eca5d02322156feadf2bc80cfd633fb5c95637e2c3f354cc360028529c99dc1d9697e4bc56629fbe8e1f98d21eda3cd6f16f39b0395f0e1d45fd
SSDEEP

768:1+559kH5twvdn/2QGRanw+T+dA0m86eLyEgOtioVjurlxY3fDlaGGx+cugLX0dAf:Y559kH5O/2eeLyEgOtioVjurlxY3fDlz

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4736 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.EXE
4736	EXCEL.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\b6d50639de88bd75f4a139422a0f7c3fd02ecd3e3b54bc0fdf401dd63fcb7606.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4736

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/4736-0-0x00007FF7DC3D0000-0x00007FF7DC3E0000-memory.dmp

Filesize
64KB

Download
memory/4736-1-0x00007FF7DC3D0000-0x00007FF7DC3E0000-memory.dmp

Filesize
64KB

Download
memory/4736-3-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-2-0x00007FF7DC3D0000-0x00007FF7DC3E0000-memory.dmp

Filesize
64KB

Download
memory/4736-4-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-6-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-5-0x00007FF7DC3D0000-0x00007FF7DC3E0000-memory.dmp

Filesize
64KB

Download
memory/4736-7-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-8-0x00007FF7DC3D0000-0x00007FF7DC3E0000-memory.dmp

Filesize
64KB

Download
memory/4736-9-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-10-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-11-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-12-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-14-0x00007FF7DA370000-0x00007FF7DA380000-memory.dmp

Filesize
64KB

Download
memory/4736-13-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-15-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-17-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-18-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-16-0x00007FF7DA370000-0x00007FF7DA380000-memory.dmp

Filesize
64KB

Download
memory/4736-20-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-21-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-19-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-22-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-31-0x0000023780470000-0x0000023780C70000-memory.dmp

Filesize
8.0MB

Download
memory/4736-37-0x0000023780470000-0x0000023780C70000-memory.dmp

Filesize
8.0MB

Download
memory/4736-38-0x0000023780470000-0x0000023780C70000-memory.dmp

Filesize
8.0MB

Download
memory/4736-44-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-45-0x00007FF81C350000-0x00007FF81C545000-memory.dmp

Filesize
2.0MB

Download
memory/4736-46-0x0000023780470000-0x0000023780C70000-memory.dmp

Filesize
8.0MB

Download
memory/4736-47-0x0000023780470000-0x0000023780C70000-memory.dmp

Filesize
8.0MB

Download