9450a8d999143739c233bbfb12bca8975bb92255aef22486369704ad774b9737

Analysis

max time kernel
120s
max time network
162s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 06:15

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General

Target

MV MANDARIN SKY.xlsx
Size

369KB
MD5

c5ec05f0cccf093f4cf3234b09afbe8f
SHA1

2637d22813c3682f4c952078889351900aad218b
SHA256

9450a8d999143739c233bbfb12bca8975bb92255aef22486369704ad774b9737
SHA512

ec902def9b1e62eba9af009a76402b9860c0d4183ff34772b4907fb22dfc8b396664369f407a31e1b0563b8afc1294279a31174f4fb3af55e305154a4f12ae7c

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

4068 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4068 EXCEL.EXE
4068 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	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\MV MANDARIN SKY.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4068

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/4068-115-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4068-116-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4068-117-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4068-118-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4068-119-0x0000018D93550000-0x0000018D93552000-memory.dmp

Filesize
8KB

Download
memory/4068-120-0x0000018D93550000-0x0000018D93552000-memory.dmp

Filesize
8KB

Download
memory/4068-121-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4068-122-0x0000018D93550000-0x0000018D93552000-memory.dmp

Filesize
8KB

Download