a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:25

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General

Target

a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600.xlsm
Size

51KB
MD5

407e805974ef68479cf36dee4f66fa48
SHA1

0cb023bd575e1553558d621e0b951474edbe8617
SHA256

a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600
SHA512

7eecab3363227616656cd32ac21c52b98bd9de454e04721e57db50cf7d1c85135fd3653bf1248352178a08f9966e8a8130a7dcbd97c587e1eebf4bfb3cf03cc0
SSDEEP

768:WICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:WItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2980	1900	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXEregsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1900 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1900 EXCEL.EXE
1900 EXCEL.EXE
1900 EXCEL.EXE

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

pid	process
1900	EXCEL.EXE

pid	process
1900	EXCEL.EXE
1900	EXCEL.EXE
1900	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe
PID 1900 wrote to memory of 2980	1900	EXCEL.EXE	regsvr32.exe

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\a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2980

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

C:\Users\Admin\wn.ocx

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/1900-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1900-1-0x000000007253D000-0x0000000072548000-memory.dmp

Filesize
44KB

Download
memory/1900-22-0x000000007253D000-0x0000000072548000-memory.dmp

Filesize
44KB

Download