0a9aac9f55670caedfe33e20159a8baeda581dc3f62f86a2e547d7b4017e9cfc

Analysis

max time kernel
137s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 21:46

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General

Target

MedWin.xls
Size

104KB
MD5

9f2a3f3ff7c400069f011102ba88560f
SHA1

7cd0d84516db5b598549df82f4a427dd32cd3e1d
SHA256

f79f56d7a2467d6f73e634be22ac623ee658aa9778b34f23913f9749a2fdd26c
SHA512

80dc9955db7fd513db41d05f33ae4a2b713029a649d71ae01d2f1486d12af2a604525e920cd7ab22002b83833aa4322e16eca16dceffaacc0dd25569bf77f46c
SSDEEP

3072:yWKpbdrHYrMue8q7QPX+5xtekEdi8/dgeJ0depMHwGGqd4Mk:nKpbdrHYrMue8q7QPX+5xtFEdi8/dgeN

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	2488	2108	rundll32.exe	29

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
2108	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2488	2108	EXCEL.EXE	31
PID 2108 wrote to memory of 2488	2108	EXCEL.EXE	31
PID 2108 wrote to memory of 2488	2108	EXCEL.EXE	31
PID 2108 wrote to memory of 2488	2108	EXCEL.EXE	31
PID 2108 wrote to memory of 2488	2108	EXCEL.EXE	31
PID 2108 wrote to memory of 2488	2108	EXCEL.EXE	31
PID 2108 wrote to memory of 2488	2108	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\MedWin.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:2108
- 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:2488

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/2108-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2108-1-0x0000000071EED000-0x0000000071EF8000-memory.dmp

Filesize
44KB

Download
memory/2108-2-0x0000000071EED000-0x0000000071EF8000-memory.dmp

Filesize
44KB

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