d877466b1eac630db146f7ef7ed85d120f3408da91af6aa04cff285084b53df8

Resubmissions

13-03-2023 08:30

230313-kd8x5abe2y 1

13-03-2023 07:54

230313-jrm25sbb9v 1

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2023 07:54

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General

Target

may payrol20.xls
Size

1.1MB
MD5

886c9f4e23a80d93e7560d56a2329202
SHA1

3261ec5958083d525fd15f23a126b4282b317371
SHA256

d877466b1eac630db146f7ef7ed85d120f3408da91af6aa04cff285084b53df8
SHA512

bb6ef0ab750ddd9cee636c2e31905365f985fab7eba513b02c0dd062781cd8750f6283a42b14ed83d977fa6e06be0eaa6fd6a3999a2baebe959e689a46ca6be9
SSDEEP

12288:keRYuThSfkppyPAxgLJzTyCl9tQD2Z6oi3xJNJhTVKBI1fNtJTh:BRYudeCWAxg1Cdq+xDJhxf13r

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 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

3124 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3124 EXCEL.EXE
3124 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	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\may payrol20.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3124

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

memory/3124-133-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-135-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-134-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-136-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-137-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-138-0x00007FFA7CFF0000-0x00007FFA7D000000-memory.dmp

Filesize
64KB

Download
memory/3124-139-0x00007FFA7CFF0000-0x00007FFA7D000000-memory.dmp

Filesize
64KB

Download
memory/3124-159-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-160-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-161-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download
memory/3124-162-0x00007FFA7F050000-0x00007FFA7F060000-memory.dmp

Filesize
64KB

Download