9e889df347320d774497c8b7e441001f8f6493916e74e7c8a542db79b0ccfe1a

Analysis

max time kernel
143s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 12:52

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General

Target

9e889df347320d774497c8b7e441001f8f6493916e74e7c8a542db79b0ccfe1a.xls
Size

166KB
MD5

56a65edce9f23108700cc5e1fbe90710
SHA1

d145f67a30f79f50dcd721e9d902ed24aa562c26
SHA256

9e889df347320d774497c8b7e441001f8f6493916e74e7c8a542db79b0ccfe1a
SHA512

32683444f2e3be08dfee54d75a247906b266153c55da879f4b23764c0f2465a6c45a0588ede4b6878130916d9eff44bf3df1bc25a134d4465599d113141d285b
SSDEEP

3072:UKnsnPE+X3i7dWWrRIs7WVbrzQ7ITkT9n8ugJtXwWrv:U73iRVVXW

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 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	1052	5096	cmd.exe	77
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5080	5096	cmd.exe	77
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4168	5096	cmd.exe	77

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 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

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\92575E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5096	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE
5096	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 1052	5096	EXCEL.EXE	81
PID 5096 wrote to memory of 1052	5096	EXCEL.EXE	81
PID 5096 wrote to memory of 4168	5096	EXCEL.EXE	86
PID 5096 wrote to memory of 4168	5096	EXCEL.EXE	86
PID 5096 wrote to memory of 5080	5096	EXCEL.EXE	85
PID 5096 wrote to memory of 5080	5096	EXCEL.EXE	85
PID 1052 wrote to memory of 4416	1052	cmd.exe	87
PID 1052 wrote to memory of 4416	1052	cmd.exe	87

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
4416	attrib.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\9e889df347320d774497c8b7e441001f8f6493916e74e7c8a542db79b0ccfe1a.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4416
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:5080
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:4168

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5096-135-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-137-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

Filesize
64KB

Download
memory/5096-138-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

Filesize
64KB

Download
memory/5096-136-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-132-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-134-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-133-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-144-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-145-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-146-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download
memory/5096-147-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads