b9fb685c6798605b90ac09b9f7f79e8c7005fe6692dfd96e35c49cf780692a21

Analysis

max time kernel
137s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:55

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General

Target

b9fb685c6798605b90ac09b9f7f79e8c7005fe6692dfd96e35c49cf780692a21.xlsm
Size

46KB
MD5

1d0ae7c32b03acddbbc25b8b22f0f1f8
SHA1

9c28dfbb95ade01bd67c98d756b6c3584dd4d0b5
SHA256

b9fb685c6798605b90ac09b9f7f79e8c7005fe6692dfd96e35c49cf780692a21
SHA512

44c74cbcb20878c280a756326880c1e73f0a45c75da55964385c51d1b880c086741928f8c5b0540b568b727d25670091bb0e072feec36c5a2a8321b082ca46f5
SSDEEP

768:X5WHFKfQzXTmbfRzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+UP6UCIHcX:XwF+OXabfFtT5fTR4Lh1NisFYBc3cr+z

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://nataliapereira.com/wp-admin/pE8xYY3x6p/

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	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2580	2676	regsvr32.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

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
2676	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30
PID 2676 wrote to memory of 2580	2676	EXCEL.EXE	30

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\b9fb685c6798605b90ac09b9f7f79e8c7005fe6692dfd96e35c49cf780692a21.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:2676
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\dw1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2580

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\dw1.ocx

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/2676-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2676-1-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download
memory/2676-21-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download