304907900737b6246be91118fa8e2c4e129d71706b84c1ed8fd2985e49effc90

Analysis

max time kernel
121s
max time network
128s
platform
windows10_x64
resource
win10-en-20210920
submitted
27-10-2021 08:24

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General

Target

REIGHT USD INV#1191189.xlsx
Size

440KB
MD5

9cabfe1d6cebf64f7972f47c1fe63503
SHA1

267c9550b36570f6787489873679811d9773ac69
SHA256

304907900737b6246be91118fa8e2c4e129d71706b84c1ed8fd2985e49effc90
SHA512

4c22fd55b48f604379fc485b541d9114bacaebea2df469f58ab578d7de817d0068defe0e608de687b612a30bab21e71c05e47360388649f244bdf215edb4e9b4

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

3132 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	EXCEL.EXE
3132	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\REIGHT USD INV#1191189.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3132

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/3132-115-0x00007FFE96460000-0x00007FFE96470000-memory.dmp

Filesize
64KB

Download
memory/3132-116-0x00007FFE96460000-0x00007FFE96470000-memory.dmp

Filesize
64KB

Download
memory/3132-117-0x00007FFE96460000-0x00007FFE96470000-memory.dmp

Filesize
64KB

Download
memory/3132-118-0x00007FFE96460000-0x00007FFE96470000-memory.dmp

Filesize
64KB

Download
memory/3132-119-0x00007FFE96460000-0x00007FFE96470000-memory.dmp

Filesize
64KB

Download
memory/3132-120-0x0000023B5F2B0000-0x0000023B5F2B2000-memory.dmp

Filesize
8KB

Download
memory/3132-121-0x0000023B5F2B0000-0x0000023B5F2B2000-memory.dmp

Filesize
8KB

Download
memory/3132-122-0x0000023B5F2B0000-0x0000023B5F2B2000-memory.dmp

Filesize
8KB

Download
memory/3132-147-0x0000023B5F2B0000-0x0000023B5F2B2000-memory.dmp

Filesize
8KB

Download