8703a6cc8c74cdcbf0161b39c49d9a5574351704c200d3d609d8896fe04a1232

Analysis

max time kernel
141s
max time network
179s
platform
windows10_x64
resource
win10-en-20211014
submitted
08-11-2021 19:16

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General

Target

POfile.xlsx
Size

243KB
MD5

cbbff4822ff1b63dee6cc0af1db52d2c
SHA1

7f51d1a77de8dab4abea3cf27fd7fd5b96b9499d
SHA256

8703a6cc8c74cdcbf0161b39c49d9a5574351704c200d3d609d8896fe04a1232
SHA512

13dc8fe3338285c9cfe6e1e61f398d04ed6e2ba552af6fa8c8c2c14e27cdeb8bc787867ac14f2f3bfa6d3a46ee1366e1bfea4b7d7f9d46dcd179178d72b675bc

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

4008 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	EXCEL.EXE
4008	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\POfile.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4008

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/4008-118-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/4008-119-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/4008-120-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/4008-121-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/4008-122-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/4008-123-0x00000185E90C0000-0x00000185E90C2000-memory.dmp

Filesize
8KB

Download
memory/4008-124-0x00000185E90C0000-0x00000185E90C2000-memory.dmp

Filesize
8KB

Download
memory/4008-125-0x00000185E90C0000-0x00000185E90C2000-memory.dmp

Filesize
8KB

Download