e46f53815fba913eb03caddaa661790330d8f04ced3cdff34fe49cc0b9588386

Analysis

max time kernel
198s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2022 21:29

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General

Target

cb76cff38bf8b3b6104947f2fa5d66b9.xlsm
Size

300KB
MD5

cb76cff38bf8b3b6104947f2fa5d66b9
SHA1

ec682c2c4e64c097ba3612b599e241eb42e2ea4b
SHA256

e46f53815fba913eb03caddaa661790330d8f04ced3cdff34fe49cc0b9588386
SHA512

b74c75cce75d885d08689fb0f4f44947c23ea8311e75003fac57739ed144225652b0c4c2385c6af366c9fc3d43e3d57006e64e5b32ce5b00ddd66ecc95b130a0
SSDEEP

6144:+aL7YOd84NS3Om++HpD6X18mDx8eeNHSVw6Cin8v5tQg4hFtsGK:tM+mhi18GxSOw6C2CV4hFtsGK

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

cym_16001380430BD84B24.exe

pid process

1732 cym_16001380430BD84B24.exe

pid	process
1732	cym_16001380430BD84B24.exe

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

2788 EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

EXCEL.EXE

pid	process
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE
2788	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2788 wrote to memory of 1732	2788	EXCEL.EXE	cym_16001380430BD84B24.exe
PID 2788 wrote to memory of 1732	2788	EXCEL.EXE	cym_16001380430BD84B24.exe
PID 2788 wrote to memory of 1732	2788	EXCEL.EXE	cym_16001380430BD84B24.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\cb76cff38bf8b3b6104947f2fa5d66b9.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788

C:\Users\Admin\AppData\Local\Temp\cym_16001380430BD84B24.exe
"C:\Users\Admin\AppData\Local\Temp\cym_16001380430BD84B24.exe"
2⤵
- Executes dropped EXE
PID:1732

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

C:\Users\Admin\AppData\Local\Temp\cym_16001380430BD84B24.exe
Filesize
94KB

MD5
73bc108394db8454fa0acb9e6c6871c4

SHA1
1f7f62ece551d0c5afee3b63765cdc741c5b5297

SHA256
ad0673b26a9195f5752ffe22ba8e4733f4e0a56ea0d1c27c992da2da9f6a0f0f

SHA512
5706c8a533526211e0491e43a048b918c6345441f69c07ebc6044167708ad0e43c3b61646155864add0035c206d52280ad83eb660ddcc6fcc8a287d12c0fea42

Download Submit
C:\Users\Admin\AppData\Local\Temp\cym_16001380430BD84B24.exe
Filesize
94KB

MD5
73bc108394db8454fa0acb9e6c6871c4

SHA1
1f7f62ece551d0c5afee3b63765cdc741c5b5297

SHA256
ad0673b26a9195f5752ffe22ba8e4733f4e0a56ea0d1c27c992da2da9f6a0f0f

SHA512
5706c8a533526211e0491e43a048b918c6345441f69c07ebc6044167708ad0e43c3b61646155864add0035c206d52280ad83eb660ddcc6fcc8a287d12c0fea42

Download Submit
memory/1732-139-0x0000000000000000-mapping.dmp

Download
memory/2788-132-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/2788-134-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/2788-133-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/2788-135-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/2788-136-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/2788-137-0x00007FFFB4A70000-0x00007FFFB4A80000-memory.dmp

Filesize
64KB

Download
memory/2788-138-0x00007FFFB4A70000-0x00007FFFB4A80000-memory.dmp

Filesize
64KB

Download