268c346ebe76ae2d89ba5eb069a234ad4a4f2f48b9cc093481b4c0cc9b0e9251

General

Target

56996_1694483296_83724.xls
Size

135KB
MD5

08dee7d9b7887a0d534dbe0aef15d9fe
SHA1

ec1e25bf3fde459a8e7fb14cc5771d0b7085c36c
SHA256

42662ebf2a0b4ec29b496675159769b20c160d0d58814142931bc18bd472f8e6
SHA512

307ef55967f1918a5232e70c56f47066bc85bb9a6b7c16025a764df2ddd68d615cc1ef29c573c4fa1103f456f122f537a39471da0afbf0eb8901d7f242589a44
SSDEEP

3072:nVUpjDqF+wRj/eA05iis3xqMKvmuSb80+xqrP09qVizST9iJPRH+Nip:nVUpjDqF+wRj/eA05iis3xqMKvmuSb8x

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

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

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

pid	Process
4884	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4884	EXCEL.EXE
4884	EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 1964	4884	EXCEL.EXE	93
PID 4884 wrote to memory of 1964	4884	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\56996_1694483296_83724.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:4884
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1964

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3036

C:\Windows\system32\werfault.exe
werfault.exe /h /shared Global\3280af47dcbb498e84292210c14b96ea /t 2376 /p 4884
1⤵
PID:5000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4884-0-0x00007FFA524F0000-0x00007FFA52500000-memory.dmp

Filesize
64KB

Download
memory/4884-1-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-2-0x00007FFA524F0000-0x00007FFA52500000-memory.dmp

Filesize
64KB

Download
memory/4884-3-0x00007FFA524F0000-0x00007FFA52500000-memory.dmp

Filesize
64KB

Download
memory/4884-4-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-6-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-5-0x00007FFA524F0000-0x00007FFA52500000-memory.dmp

Filesize
64KB

Download
memory/4884-8-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-9-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-7-0x00007FFA524F0000-0x00007FFA52500000-memory.dmp

Filesize
64KB

Download
memory/4884-10-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-11-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-12-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-13-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-15-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-17-0x00007FFA50040000-0x00007FFA50050000-memory.dmp

Filesize
64KB

Download
memory/4884-16-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-18-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-14-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-19-0x00007FFA50040000-0x00007FFA50050000-memory.dmp

Filesize
64KB

Download
memory/4884-21-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download
memory/4884-30-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-34-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-35-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-37-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-38-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-39-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-44-0x000001238D350000-0x000001238E320000-memory.dmp

Filesize
15.8MB

Download
memory/4884-49-0x00007FFA92470000-0x00007FFA92665000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads