8784e0b6c3cdaefe8389cd6c94bb69c8fbdc687679ede9f20293a46388a9f31a

Analysis

max time kernel
114s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02-04-2023 22:46

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General

Target

qualitaet50.de_images_buecher_georg-e-weidner_978-3446452039_qm-tool-pareto-fuer-ms-excel-2007-2010.xlsm
Size

52KB
MD5

62bb24961d9d83e0d0a6e894d6231b20
SHA1

0f6a3862aab129e8e9c6ce17bc2e295341219c13
SHA256

8784e0b6c3cdaefe8389cd6c94bb69c8fbdc687679ede9f20293a46388a9f31a
SHA512

87f197bea34a2dbe27c3451cfb4401d29daa506e8a1fa6e3305ec9b499c5d80005b3181de460a259f9fe8c1cbf65825a470aa242a29b13fa9cb992d3da35dbfb
SSDEEP

1536:YnwEcK4YIS397c4z1dCsXjyzMEdtcqODdFrHtd7:YwEJd3risOzTcqOF1

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

1664 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE
1664	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1664 wrote to memory of 4756	1664	EXCEL.EXE	splwow64.exe
PID 1664 wrote to memory of 4756	1664	EXCEL.EXE	splwow64.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\qualitaet50.de_images_buecher_georg-e-weidner_978-3446452039_qm-tool-pareto-fuer-ms-excel-2007-2010.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4060

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/1664-133-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-134-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-135-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-136-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-137-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-138-0x00007FFA3BD50000-0x00007FFA3BD60000-memory.dmp

Filesize
64KB

Download
memory/1664-140-0x00007FFA3BD50000-0x00007FFA3BD60000-memory.dmp

Filesize
64KB

Download
memory/1664-169-0x0000021B879B0000-0x0000021B87BB0000-memory.dmp

Filesize
2.0MB

Download
memory/1664-196-0x0000021B879B0000-0x0000021B87BB0000-memory.dmp

Filesize
2.0MB

Download
memory/1664-229-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-230-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-231-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1664-232-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download