933fc813f5321f7cf53c0e55357d7f51f7d2fddc2bd36f4d0b53589fc41a8af3

General

Target

933fc813f5321f7cf53c0e55357d7f51f7d2fddc2bd36f4d0b53589fc41a8af3.xlsm
Size

40KB
MD5

e370cbe8716f735a56f23bc9a41c7d5b
SHA1

24cd5d913600e14218b342f5de00642c0e7a786d
SHA256

933fc813f5321f7cf53c0e55357d7f51f7d2fddc2bd36f4d0b53589fc41a8af3
SHA512

ae6280c18eb4672a289be54912b67a8275e22a2a4d6f32dde7b5d1403bbcf6507aa6ca2999021cbe261b3e27b1afc377c0e438ece5eb5f90f6813cb8809ea6ca
SSDEEP

768:+tby3nCsqi1O3mnOzyKfcrND59V+L9Rw4eWrXcTqy0y3:mbunC5iymqylND59V4jwmXc2Xy3

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://foroviviendaparaguay.com/wp-admin/hx8U6XMffnkv8HI2Oig/

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2960	3160	regsvr32.exe	EXCEL.EXE

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

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

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

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3160 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3160 EXCEL.EXE
3160 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3160 wrote to memory of 2960	3160	EXCEL.EXE	regsvr32.exe
PID 3160 wrote to memory of 2960	3160	EXCEL.EXE	regsvr32.exe
PID 3160 wrote to memory of 2960	3160	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\933fc813f5321f7cf53c0e55357d7f51f7d2fddc2bd36f4d0b53589fc41a8af3.xlsm"
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:3160
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\xda.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2960

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

C:\Users\Admin\xda.ocx

Filesize
1KB

MD5
dccf8b2a1fb41f494830027214dad951

SHA1
f4e737d70bd8f7ece983a79042ca146326cc3059

SHA256
d5fec0951172a5380d49519d1858c6beb0eb6a98ed6c4eb184d1afa783d855a4

SHA512
373e925d4f495ce6a15c1fb14f6ff1fe8759ec19217f554a115aee2731493f001eee159ac54333fbf5f3d211157f078f49031e5212d4eff1633295158434fa49

Download Submit
memory/3160-8-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-5-0x00007FFBBF650000-0x00007FFBBF660000-memory.dmp

Filesize
64KB

Download
memory/3160-10-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-6-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-9-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-7-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-4-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-11-0x00007FFBBD490000-0x00007FFBBD4A0000-memory.dmp

Filesize
64KB

Download
memory/3160-1-0x00007FFBBF650000-0x00007FFBBF660000-memory.dmp

Filesize
64KB

Download
memory/3160-3-0x00007FFBBF650000-0x00007FFBBF660000-memory.dmp

Filesize
64KB

Download
memory/3160-0-0x00007FFBBF650000-0x00007FFBBF660000-memory.dmp

Filesize
64KB

Download
memory/3160-12-0x00007FFBBD490000-0x00007FFBBD4A0000-memory.dmp

Filesize
64KB

Download
memory/3160-13-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-14-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-15-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download
memory/3160-2-0x00007FFBBF650000-0x00007FFBBF660000-memory.dmp

Filesize
64KB

Download
memory/3160-30-0x00007FFBFCD80000-0x00007FFBFD049000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads