84ebfdb0f6c054d1ede52dea96d5839c9fc25467464e9d424e1bb2587b46a173

General

Target

84ebfdb0f6c054d1ede52dea96d5839c9fc25467464e9d424e1bb2587b46a173.xlsm
Size

46KB
MD5

f5dff0c45bc930060b5ef60c9a218aa0
SHA1

bba8845ebac6badfd1a9d704d266270235776939
SHA256

84ebfdb0f6c054d1ede52dea96d5839c9fc25467464e9d424e1bb2587b46a173
SHA512

bab464fe54e7def5eba42c9a8c99a4489b0249877ee588cf42304661966b602535bc960694ef1a8c371120e0faaf4f7c02dc754a8d0744160870e6911b3e1404
SSDEEP

768:WyMo9DOevZCwrvtE9WzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VP9HW:nMo9D88tT5fTR4Lh1NisFYBc3cr+UqVk

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://aquapark.hotelrestoranaqua.com/wp-includes/a1eCjuFRWXku/

xlm40.dropper

https://baksen.org/chat/8wYoYwWXH4eidiUOAs/

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	3180	4148	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

4148 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4148 EXCEL.EXE
4148 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE
4148	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4148 wrote to memory of 3180	4148	EXCEL.EXE	regsvr32.exe
PID 4148 wrote to memory of 3180	4148	EXCEL.EXE	regsvr32.exe
PID 4148 wrote to memory of 3180	4148	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\84ebfdb0f6c054d1ede52dea96d5839c9fc25467464e9d424e1bb2587b46a173.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:4148
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3180

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
999a4e7e021fee547154fcc954ddb4e4

SHA1
d5624e2090e5968a1fad4a2649b8d55793dd48fa

SHA256
9c6fb860291cfdaf7ae46db86d50fe49c743d243cbb9f5aadea838a12ded6122

SHA512
3449768ed729308f7affd65dd3212756d1928efc91eb93bce0bffc42a3a66e0043b03a13242486b4927a1e7418477f9832c56dda399829e45540fb48e071afd9

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

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/4148-12-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp

Filesize
64KB

Download
memory/4148-9-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-5-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-6-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4148-4-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-7-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4148-11-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-10-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-1-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4148-2-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4148-13-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-15-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-16-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp

Filesize
64KB

Download
memory/4148-14-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-8-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-0-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4148-34-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-3-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads