5ed3ae3b34dc28e9f04dbc880a62a3595f3ac6f5c8d133917f15a98b17f121fc

Analysis

max time kernel
138s
max time network
132s
platform
windows10_x64
resource
win10v200430
submitted
07-07-2020 18:55

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General

Target

payment_752.xls
Size

148KB
MD5

8e27f25d7c56eb111e6e60b735562ce5
SHA1

ea8aa1d15c8c3a480ca553c9c514256d6b0a5c95
SHA256

5ed3ae3b34dc28e9f04dbc880a62a3595f3ac6f5c8d133917f15a98b17f121fc
SHA512

a4335f5f25bbbc4005f638536936280eba51e21239dada04b76edc12ab40dc3ceacf60c56cd899280fd3eb79c46761f2cd209a5b8b46c1932c00661dc9ee3cca

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	3840	2804	explorer.exe	65

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 3840	2804	EXCEL.EXE	72
PID 2804 wrote to memory of 3840	2804	EXCEL.EXE	72
PID 3972 wrote to memory of 1476	3972	explorer.exe	74
PID 3972 wrote to memory of 1476	3972	explorer.exe	74

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE
2804	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2804	EXCEL.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\payment_752.xls"
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:2804
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Admin\AppData\Local\Temp\tZrm.vbs
  2⤵
  - Process spawned unexpected child process
  PID:3840

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
- Modifies registry class
PID:3972
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tZrm.vbs"
  2⤵
  PID:1476

Network

MITRE ATT&CK Enterprise v6

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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