17cda44d2f0c301922ea0c89c3bf9476cf693c72dfffaf3b0d733ebcaff37b16

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 04:16

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General

Target

17cda44d2f0c301922ea0c89c3bf9476cf693c72dfffaf3b0d733ebcaff37b16.xlsm
Size

13KB
MD5

15b7f7c35176d57c7717896634ab8f1c
SHA1

08532ee2bdc417ea2ae0ef3b9711f8c3580df706
SHA256

17cda44d2f0c301922ea0c89c3bf9476cf693c72dfffaf3b0d733ebcaff37b16
SHA512

2b6c7067ec47edc7e88f3c6db70911314a066ec81bef8eccc2fa83053fabc53c62fbeb5b34f238983249c87ae45c95da674310a065ac019e29005004e989d363

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4044 EXCEL.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	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\17cda44d2f0c301922ea0c89c3bf9476cf693c72dfffaf3b0d733ebcaff37b16.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4044

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

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/4044-130-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/4044-131-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/4044-132-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/4044-133-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/4044-134-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/4044-135-0x00007FFD86CE0000-0x00007FFD86CF0000-memory.dmp

Filesize
64KB

Download
memory/4044-136-0x00007FFD86CE0000-0x00007FFD86CF0000-memory.dmp

Filesize
64KB

Download