c74dacc1af1d1ffa9e98a640ad0c9635003d20c9f43a46e72082bafb2cb00e71

Analysis

max time kernel
148s
max time network
130s
platform
windows10_x64
resource
win10v20201028
submitted
11-03-2021 17:09

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General

Target

86827.xlsm
Size

25KB
MD5

d9094467999fcab2214d54fe940a1f5c
SHA1

a07156fc2e27db0859c2377c68927744659763eb
SHA256

c74dacc1af1d1ffa9e98a640ad0c9635003d20c9f43a46e72082bafb2cb00e71
SHA512

d86d611011cacfe634d24e00df2b4ca679ac302056d89dd5c61bdb4ff8bafaf8b4d231a07c3e252b9066ac9023e52ac1068f93e5e6efb081b6e1ef4cb7eb3fff

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE

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

988 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE
988 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	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\86827.xlsm"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:988

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

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Downloads

memory/988-2-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

Filesize
64KB

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memory/988-3-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

Filesize
64KB

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memory/988-4-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

Filesize
64KB

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memory/988-5-0x00007FF901270000-0x00007FF9018A7000-memory.dmp

Filesize
6.2MB

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memory/988-6-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

Filesize
64KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads