8d56eba3f2ff910c85bc53c6670f95b074fe0163a12d9e8a29e851841582790f

Analysis

max time kernel
102s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
21-07-2021 14:42

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General

Target

FitCalc_V4_0e.xls
Size

467KB
MD5

7a88669ec48b90a5e58805d854ea36d8
SHA1

98333ba8b70ffc48123e65627ef0ff8a83fdc86d
SHA256

8d56eba3f2ff910c85bc53c6670f95b074fe0163a12d9e8a29e851841582790f
SHA512

c4de9959e162db8295879e410e8d8a41ee07848e79be496390269bb992323087890be48abe78e33aa176d19bf341ddc101deca0e396e7dc109d13cf25c2bc61a

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

3876 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	EXCEL.EXE
3876	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\FitCalc_V4_0e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3876

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/3876-114-0x00007FF71D9E0000-0x00007FF720F96000-memory.dmp

Filesize
53.7MB

Download
memory/3876-115-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-116-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-117-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-118-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-121-0x00007FFDFC850000-0x00007FFDFD93E000-memory.dmp

Filesize
16.9MB

Download
memory/3876-122-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-123-0x00007FFDFA950000-0x00007FFDFC845000-memory.dmp

Filesize
31.0MB

Download
memory/3876-290-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-291-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-292-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download
memory/3876-293-0x00007FFDDC160000-0x00007FFDDC170000-memory.dmp

Filesize
64KB

Download