66728990edacded46a1638df1c1c4c1d231ac1144100dbf49ba5b1e040b987a8

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 22:11

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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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2392	2432	rundll32.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2432	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2432	EXCEL.EXE
2432	EXCEL.EXE
2432	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31
PID 2432 wrote to memory of 2392	2432	EXCEL.EXE	31

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\66728990edacded46a1638df1c1c4c1d231ac1144100dbf49ba5b1e040b987a8.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432
- 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:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2432-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2432-1-0x0000000071F7D000-0x0000000071F88000-memory.dmp

Filesize
44KB

Download
memory/2432-2-0x0000000071F7D000-0x0000000071F88000-memory.dmp

Filesize
44KB

Download