34308f03d102d65cfe10fd50604c3cbff4bd3ebbe93437a3afa1c73ea2b2f0ea

Analysis

max time kernel
103s
max time network
134s
platform
windows10_x64
resource
win10-en-20211014
submitted
18-10-2021 20:11

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General

Target

Invoice-7582_20211013.xlsb
Size

215KB
MD5

dcda575dc608ed88cfd2b903b8acd7b8
SHA1

5350523aaafb703a3cd1f75800c5c469af6e7bf6
SHA256

34308f03d102d65cfe10fd50604c3cbff4bd3ebbe93437a3afa1c73ea2b2f0ea
SHA512

849598052abe64382217af55f8b6d341743982c6f975f074545c17a6b6b325281bdd362170619739ef9e6a0012cd4ad4e617d18b0a33b01c89f31f00ad4c642e

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1380 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	EXCEL.EXE
1380	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\Invoice-7582_20211013.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1380

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/1380-115-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/1380-116-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/1380-117-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/1380-118-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/1380-120-0x0000029F81BE0000-0x0000029F81BE2000-memory.dmp

Filesize
8KB

Download
memory/1380-119-0x0000029F81BE0000-0x0000029F81BE2000-memory.dmp

Filesize
8KB

Download
memory/1380-121-0x00007FF93D1D0000-0x00007FF93D1E0000-memory.dmp

Filesize
64KB

Download
memory/1380-122-0x0000029F81BE0000-0x0000029F81BE2000-memory.dmp

Filesize
8KB

Download