a980cc66bc8428c6aeb061345e099d6e216b01319ec175d5a60259a63b72ffb7

General

Target

a980cc66bc8428c6aeb061345e099d6e216b01319ec175d5a60259a63b72ffb7.xlsm
Size

46KB
MD5

e40eb135f3d8dda844e02c669c3a841e
SHA1

3ecf00ed4a4b5e4e331d19e64bca7d60123ecd6b
SHA256

a980cc66bc8428c6aeb061345e099d6e216b01319ec175d5a60259a63b72ffb7
SHA512

b560cf834bb9143fb2cbc157e0619591db0a31403751f84e17d975dbd10ce7eeb0431563ff951935a4d71aafa5f4662fbf78eca323c6bf41389da2cfc1f4b7ed
SSDEEP

768:j5WHFKfQzXTmbfRzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+UP6UCIHcX:jwF+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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1864	2364	regsvr32.exe	82

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

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

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

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

pid	Process
2364	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2364	EXCEL.EXE
2364	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE
2364	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1864	2364	EXCEL.EXE	87
PID 2364 wrote to memory of 1864	2364	EXCEL.EXE	87
PID 2364 wrote to memory of 1864	2364	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a980cc66bc8428c6aeb061345e099d6e216b01319ec175d5a60259a63b72ffb7.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:2364
- 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:1864

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
877d04345d989b9f595173f0019c740c

SHA1
90ecc510602b94ac35742e1a6072271bf3aefa54

SHA256
c6f698b6f4303fca03bee5fe9689799e97871467c2c26bf4502e1d57aa4f6379

SHA512
d0fc3115673d9fea8d3f7280542a575f4b78a299ad370127d64372f82057ecf9625f1e7a281d80fa54e8f68bb1a588b75c5e4b232ac30397648d2ecc8e9d89db

Download Submit
C:\Users\Admin\dw1.ocx

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/2364-11-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-12-0x00007FF9FCA50000-0x00007FF9FCA60000-memory.dmp

Filesize
64KB

Download
memory/2364-4-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2364-2-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2364-0-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2364-8-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-10-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-14-0x00007FF9FCA50000-0x00007FF9FCA60000-memory.dmp

Filesize
64KB

Download
memory/2364-7-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-13-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-6-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-1-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2364-9-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-16-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-15-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-19-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-21-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-20-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-18-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-17-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-5-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2364-40-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2364-3-0x00007FFA3ED6D000-0x00007FFA3ED6E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads