ea7ccea83d8f034c4cab4c77596ac33d4cc1bdea6e3d28941d4f25a972f99171

General

Target

ea7ccea83d8f034c4cab4c77596ac33d4cc1bdea6e3d28941d4f25a972f99171.xlsm
Size

20KB
MD5

38b6a836c738ea11159e8f2b1ccee9ab
SHA1

803279e14c3a195212730b57496989647c26b4ab
SHA256

ea7ccea83d8f034c4cab4c77596ac33d4cc1bdea6e3d28941d4f25a972f99171
SHA512

be554646dc240132445efcfbfba351b4a2af391e03eb544e50278b39a1d548300ab9cd20d90ff0ff4258b963fc90747bfb5202c88642a2e28268a960d7f410de
SSDEEP

384:mKAVb1GNjYTo4CGzPd6ZIwL0AOKb5CzgObff9kC+xbX7jvIv:mKYINmo4FLyCBn9kC+xbLA

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.manchesterslt.co.uk/a-to-z-of-slt/9wq2ESVcG/

xlm40.dropper

http://festival.artdialog.ch/contact/RGhcwH4DRBM/

xlm40.dropper

http://bramynapilota.com.pl/wp-admin/NHk/

xlm40.dropper

http://brwconsultoria.com.br/img/Vl0i9o/

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	3380	4304	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
4304	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4304	EXCEL.EXE
4304	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE
4304	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 3380	4304	EXCEL.EXE	91
PID 4304 wrote to memory of 3380	4304	EXCEL.EXE	91
PID 4304 wrote to memory of 3380	4304	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ea7ccea83d8f034c4cab4c77596ac33d4cc1bdea6e3d28941d4f25a972f99171.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:4304
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3380

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

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Downloads

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

Filesize
1KB

MD5
269f9a12271fba4ec3507cb26d039fb5

SHA1
8bd97cff69c7df71836b6ec66fc65172a6cdc319

SHA256
857e8d218c1495dbf0049cc7f7a63cf5a8594570246d6bb97efbb6668d0efcbf

SHA512
1324e3b31838fff6afe7f65a1588557712994f6d193a4fe31ea8fa1d63b25debee35e1f26604537c169ad5b02469fcba6083a911872f1bdb45107a91fd9c8670

Download Submit
C:\Users\Admin\kytk.dll

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/4304-14-0x00007FFBA08C0000-0x00007FFBA08D0000-memory.dmp

Filesize
64KB

Download
memory/4304-53-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-4-0x00007FFBA29D0000-0x00007FFBA29E0000-memory.dmp

Filesize
64KB

Download
memory/4304-2-0x00007FFBA29D0000-0x00007FFBA29E0000-memory.dmp

Filesize
64KB

Download
memory/4304-10-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-9-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-11-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-12-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-8-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-13-0x00007FFBA08C0000-0x00007FFBA08D0000-memory.dmp

Filesize
64KB

Download
memory/4304-3-0x00007FFBA29D0000-0x00007FFBA29E0000-memory.dmp

Filesize
64KB

Download
memory/4304-17-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-7-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-0-0x00007FFBE29ED000-0x00007FFBE29EE000-memory.dmp

Filesize
4KB

Download
memory/4304-1-0x00007FFBA29D0000-0x00007FFBA29E0000-memory.dmp

Filesize
64KB

Download
memory/4304-19-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-18-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-21-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-22-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-20-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-16-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-5-0x00007FFBA29D0000-0x00007FFBA29E0000-memory.dmp

Filesize
64KB

Download
memory/4304-51-0x00007FFBE29ED000-0x00007FFBE29EE000-memory.dmp

Filesize
4KB

Download
memory/4304-52-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-15-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-57-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4304-6-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads