538445a2eda2847be72120bc476107a3dff6dda02e047f38c636228fc86138b6

Analysis

max time kernel
62s
max time network
63s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 05:31

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General

Target

OpenSolver.xlam
Size

1.0MB
MD5

c5d467a07fb8dad1aae0fac798a6334d
SHA1

440664e82b76c96f8087c9ec1691c350f9620656
SHA256

46623b8fcb85daa43a27aed7452c7dc8150a0560cb818ba70b931e88479b0059
SHA512

8405359d3970487d8029be1b8575846d4c7536a063cc4fd51ffd475eefe41af7c9c3d22825794e18a857fdd2f4f345ff233cd9b1b6d733f3d604666fc51b5fe0
SSDEEP

24576:9V6V4E+sOhi/Xb/8wGfyd6lXp/xBRm57C+gOcY6:9UqcCub7GmAZ1mJAOcY6

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2788 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2788 EXCEL.EXE
2788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 9 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

pid	process
2788	EXCEL.EXE

pid	process
2788	EXCEL.EXE
2788	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

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\OpenSolver.xlam"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2788

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize
1KB

MD5
9f7bb81c26746a49796303a578fa238e

SHA1
f87777cd3ae5388a854fd14343aad92bd45ebb92

SHA256
fb3c94ddc3fb4a255ed78766d45e7409e49af008f2ab7d6110280174f3ec1a83

SHA512
1e50eb1a935f4668c555ed81fc528f4bba2a02e8b65736dd3cccaf403f98afe6145481abd1f1c39e9bfae1418d71a9b3602e58afd664ffc696de27230058d4b8

Download Submit
memory/2788-15-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-295-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-9-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-4-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/2788-6-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-5-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-8-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-7-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/2788-11-0x00007FFD1BD40000-0x00007FFD1BD50000-memory.dmp

Filesize
64KB

Download
memory/2788-17-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-3-0x00007FFD5E02D000-0x00007FFD5E02E000-memory.dmp

Filesize
4KB

Download
memory/2788-0-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/2788-10-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-16-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-14-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-13-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-12-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-18-0x00007FFD1BD40000-0x00007FFD1BD50000-memory.dmp

Filesize
64KB

Download
memory/2788-35-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-36-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-2-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/2788-294-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/2788-1-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download