66728990edacded46a1638df1c1c4c1d231ac1144100dbf49ba5b1e040b987a8

General

Target

66728990edacded46a1638df1c1c4c1d231ac1144100dbf49ba5b1e040b987a8.xls
Size

104KB
MD5

a17d8e8745abfc174505ad7bdaccfa64
SHA1

4f500ee46be1fc089d4265625d8a2a25ccd4ae65
SHA256

66728990edacded46a1638df1c1c4c1d231ac1144100dbf49ba5b1e040b987a8
SHA512

55682241735df639d1fcd1501c9f26c38641953bdc17bc2e545cbaafd07ebf2b77890d4bb07af4bb9105220a65558f28a1feff3d1e41181d97d351f3bda2298b
SSDEEP

3072:TWKpbdrHYrMue8q7QPX+5xtekEdi8/dgeJ0depMHwGGqd4gG:yKpbdrHYrMue8q7QPX+5xtFEdi8/dgeT

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://filecabinet.digitalechoes.co.uk/wp-admin/NC/

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	1260	2856	rundll32.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2856	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2856	EXCEL.EXE
2856	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE
2856	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1260	2856	EXCEL.EXE	86
PID 2856 wrote to memory of 1260	2856	EXCEL.EXE	86
PID 2856 wrote to memory of 1260	2856	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\66728990edacded46a1638df1c1c4c1d231ac1144100dbf49ba5b1e040b987a8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\iix.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2856-0-0x00007FFD0D5F0000-0x00007FFD0D600000-memory.dmp

Filesize
64KB

Download
memory/2856-2-0x00007FFD0D5F0000-0x00007FFD0D600000-memory.dmp

Filesize
64KB

Download
memory/2856-4-0x00007FFD0D5F0000-0x00007FFD0D600000-memory.dmp

Filesize
64KB

Download
memory/2856-1-0x00007FFD0D5F0000-0x00007FFD0D600000-memory.dmp

Filesize
64KB

Download
memory/2856-3-0x00007FFD4D60D000-0x00007FFD4D60E000-memory.dmp

Filesize
4KB

Download
memory/2856-6-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-5-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-9-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-12-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-13-0x00007FFD0AEA0000-0x00007FFD0AEB0000-memory.dmp

Filesize
64KB

Download
memory/2856-11-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-10-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-14-0x00007FFD0AEA0000-0x00007FFD0AEB0000-memory.dmp

Filesize
64KB

Download
memory/2856-8-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-7-0x00007FFD0D5F0000-0x00007FFD0D600000-memory.dmp

Filesize
64KB

Download
memory/2856-15-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-16-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-19-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-18-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-17-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2856-29-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads