c2ec2e62fd2d0de3d3201930c6ac6dadd399bf0c1dc39235afc6844ccbbfdd4d

Analysis

max time kernel
153s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 14:22

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General

Target

c2ec2e62fd2d0de3d3201930c6ac6dadd399bf0c1dc39235afc6844ccbbfdd4d.xls
Size

195KB
MD5

af30215fbe5c8ca15495732b6dc63117
SHA1

2f33aae339d90cd12c9dcc393a90c1f8b90807ad
SHA256

c2ec2e62fd2d0de3d3201930c6ac6dadd399bf0c1dc39235afc6844ccbbfdd4d
SHA512

0ec4399dbe32f3f6bbd48b9612024ca8d6f0c99489daf0e779761f35f459ee8dce8b93ec0d5d790136406bfe8bd5b4de6fee010e6fedc13fe8d87acecaaa176d
SSDEEP

3072:K8Cy8i/1fHsA3cCR8IyAWVHrzQ7ITkxciD7uL:OihcCv

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	4800	2264	cmd.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4912	2264	cmd.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4828	2264	cmd.exe	82

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2264	EXCEL.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE
2264	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 4800	2264	EXCEL.EXE	98
PID 2264 wrote to memory of 4800	2264	EXCEL.EXE	98
PID 2264 wrote to memory of 4912	2264	EXCEL.EXE	100
PID 2264 wrote to memory of 4912	2264	EXCEL.EXE	100
PID 2264 wrote to memory of 4828	2264	EXCEL.EXE	102
PID 2264 wrote to memory of 4828	2264	EXCEL.EXE	102
PID 4800 wrote to memory of 4924	4800	cmd.exe	104
PID 4800 wrote to memory of 4924	4800	cmd.exe	104

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
4924	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\c2ec2e62fd2d0de3d3201930c6ac6dadd399bf0c1dc39235afc6844ccbbfdd4d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2264
- 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:4800
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4924
- 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:4912
- 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:4828

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/2264-132-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2264-134-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2264-136-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2264-135-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2264-133-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

Filesize
64KB

Download
memory/2264-137-0x00007FF82C530000-0x00007FF82C540000-memory.dmp

Filesize
64KB

Download
memory/2264-138-0x00007FF82C530000-0x00007FF82C540000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads