ce8ca35bad6b0e2c5aeefed0b34b09dff56fdce32d14246c011d9401bc6e3ba2

Analysis

max time kernel
121s
max time network
150s
platform
windows10_x64
resource
win10-en-20211014
submitted
29-10-2021 12:37

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General

Target

0022.xlsx
Size

1.1MB
MD5

f423597222898a097d30adbc3d168a87
SHA1

e199e53576397ee7296e3b0f5ad3cee1ca147e06
SHA256

ce8ca35bad6b0e2c5aeefed0b34b09dff56fdce32d14246c011d9401bc6e3ba2
SHA512

3753f25a9f431770053e0ec55af590979b05fd936b8f5a9fd712d69dbe0f3e177640aff6c08cb65232b5ee70a35894f27b3d0c2a201491cbe87cb055d54e8843

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

2704 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	EXCEL.EXE
2704	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\0022.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2704

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/2704-115-0x00007FFD922E0000-0x00007FFD922F0000-memory.dmp

Filesize
64KB

Download
memory/2704-116-0x00007FFD922E0000-0x00007FFD922F0000-memory.dmp

Filesize
64KB

Download
memory/2704-117-0x00007FFD922E0000-0x00007FFD922F0000-memory.dmp

Filesize
64KB

Download
memory/2704-118-0x00007FFD922E0000-0x00007FFD922F0000-memory.dmp

Filesize
64KB

Download
memory/2704-119-0x00007FFD922E0000-0x00007FFD922F0000-memory.dmp

Filesize
64KB

Download
memory/2704-121-0x000001CF35C60000-0x000001CF35C62000-memory.dmp

Filesize
8KB

Download
memory/2704-120-0x000001CF35C60000-0x000001CF35C62000-memory.dmp

Filesize
8KB

Download
memory/2704-122-0x000001CF35C60000-0x000001CF35C62000-memory.dmp

Filesize
8KB

Download
memory/2704-128-0x00007FFD8F430000-0x00007FFD8F440000-memory.dmp

Filesize
64KB

Download
memory/2704-129-0x00007FFD8F430000-0x00007FFD8F440000-memory.dmp

Filesize
64KB

Download