549e9c482a86ce538479ce52bab994b0bc2650bd0d21aa362d5708b035615dbd

Analysis

max time kernel
150s
max time network
147s
platform
windows10_x64
resource
win10-en-20211208
submitted
23-12-2021 15:10

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General

Target

5.xls
Size

520KB
MD5

e2b0679b16aa0dec7ce88eff648da07b
SHA1

14171aabd0e2eb5459d2658f2722cdbb7984467c
SHA256

549e9c482a86ce538479ce52bab994b0bc2650bd0d21aa362d5708b035615dbd
SHA512

74b3fe6de207c55c69b9a9b52a81c88dd14ac64dfb5b8d54650c621e587a5364089d726cb416987563c377b6a084c3c8b19adfc0f5bc9709b868df1836ce1b2a

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

752 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	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\5.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:752

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/752-115-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp

Filesize
64KB

Download
memory/752-116-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp

Filesize
64KB

Download
memory/752-117-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp

Filesize
64KB

Download
memory/752-118-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp

Filesize
64KB

Download
memory/752-119-0x00007FFB38F60000-0x00007FFB38F70000-memory.dmp

Filesize
64KB

Download
memory/752-120-0x000002413B180000-0x000002413B182000-memory.dmp

Filesize
8KB

Download
memory/752-121-0x000002413B180000-0x000002413B182000-memory.dmp

Filesize
8KB

Download
memory/752-122-0x000002413B180000-0x000002413B182000-memory.dmp

Filesize
8KB

Download
memory/752-128-0x00007FFB36410000-0x00007FFB36420000-memory.dmp

Filesize
64KB

Download
memory/752-129-0x00007FFB36410000-0x00007FFB36420000-memory.dmp

Filesize
64KB

Download