c3ef9596c5bc29733922c5c75bd0a553eaea2373ee010b82b707a115bec4ccdc

Analysis

max time kernel
164s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 20:22

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General

Target

e243762ffcb82d6453466201aba5b7b7.xls
Size

36KB
MD5

e243762ffcb82d6453466201aba5b7b7
SHA1

059eaf64ab28158bedca6014335a9e2ab74e5bd8
SHA256

c3ef9596c5bc29733922c5c75bd0a553eaea2373ee010b82b707a115bec4ccdc
SHA512

e50f0287335e22b3e358be09515e33c320e8c4c94b73462215778ee7861d53abf92a924ef05fbbff1a69be4306c480f40adea47052be0775e33cc2f46ee0a545
SSDEEP

768:oPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJYE6v/ipC3TNII0TY8:Eok3hbdlylKsgqopeJBWhZFGkE+cL2Ns

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3076	1644	explorer.exe	84

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

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

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1644	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1644	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1644	EXCEL.EXE
1644	EXCEL.EXE
1644	EXCEL.EXE
1644	EXCEL.EXE
1644	EXCEL.EXE
1644	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 3076	1644	EXCEL.EXE	92
PID 1644 wrote to memory of 3076	1644	EXCEL.EXE	92
PID 760 wrote to memory of 4084	760	explorer.exe	94
PID 760 wrote to memory of 4084	760	explorer.exe	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e243762ffcb82d6453466201aba5b7b7.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Public\Documents\QuC9ON.vbs
  2⤵
  - Process spawned unexpected child process
  PID:3076

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\QuC9ON.vbs"
  2⤵
  PID:4084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\Documents\QuC9ON.vbs

Filesize
572B

MD5
0f9408e8862027ee591e77c460646a44

SHA1
fa0246cb3cc606a480fed35aac5035b399f1a3b3

SHA256
314ce923802a5d738f36203304593029358e48a342aaed17360c5671d7b82e56

SHA512
93050e636d0ef517ff275465e2b45a62d47d79a13847b992d1ed5dcecb9f48a6a62d189ebb9a4733960ffc28c7f9eacedaabffa9080f2fe2b9d2ad76bbb9fd67

Download Submit
memory/1644-8-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-10-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-1-0x00007FFA168D0000-0x00007FFA168E0000-memory.dmp

Filesize
64KB

Download
memory/1644-4-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-6-0x00007FFA168D0000-0x00007FFA168E0000-memory.dmp

Filesize
64KB

Download
memory/1644-5-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-3-0x00007FFA168D0000-0x00007FFA168E0000-memory.dmp

Filesize
64KB

Download
memory/1644-7-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-9-0x00007FFA168D0000-0x00007FFA168E0000-memory.dmp

Filesize
64KB

Download
memory/1644-0-0x00007FFA168D0000-0x00007FFA168E0000-memory.dmp

Filesize
64KB

Download
memory/1644-11-0x00007FFA14870000-0x00007FFA14880000-memory.dmp

Filesize
64KB

Download
memory/1644-12-0x00007FFA14870000-0x00007FFA14880000-memory.dmp

Filesize
64KB

Download
memory/1644-16-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-20-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-21-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download
memory/1644-2-0x00007FFA56850000-0x00007FFA56A45000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads