08c6f3c35f89f3ddd37764ab2bf87c4b10d20b8314e8c77dc07de286a0e5d560

Analysis

max time kernel
140s
max time network
148s
platform
windows10_x64
resource
win10v20201028
submitted
18-01-2021 07:25

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General

Target

PO 047428.xlsx
Size

1.8MB
MD5

9c9f5772262a507296c5a3a718ab77e1
SHA1

08477969175e1feb27a09258ad42e3c409816324
SHA256

08c6f3c35f89f3ddd37764ab2bf87c4b10d20b8314e8c77dc07de286a0e5d560
SHA512

f21350a02ea34a58e31529b91f1794946367d54fdbeda8351362be3bd869820eb896bbeab606363d8b3339d81b87b661b94506c25c004dd35f6bb3f085db9eb5

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

4692 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	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\PO 047428.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4692-2-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

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memory/4692-3-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

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memory/4692-4-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4692-5-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4692-6-0x00007FFCF17C0000-0x00007FFCF1DF7000-memory.dmp

Filesize
6.2MB

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