8766fe28490a485703eabc3ebc5ce53de390293d9142f5542361be05f4f3c893

General

Target

8766fe28490a485703eabc3ebc5ce53de390293d9142f5542361be05f4f3c893.xlsm
Size

46KB
MD5

c9cf1eb1c2c69d78f299501be6ac6f9c
SHA1

d03b4c850b819b11482b5d932c2ddfa500346d82
SHA256

8766fe28490a485703eabc3ebc5ce53de390293d9142f5542361be05f4f3c893
SHA512

1561e0f276a06b9c3019716ff407ac6254c484cc8d3a9fdf34d8277d94e6ccc0006f74ff31a087ab0ed5fb35852181f054ae2b3989b5c113081307b1e19d4fdc
SSDEEP

768:GyMo9DOevZCwrvtE9WzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VP9HW:3Mo9D88tT5fTR4Lh1NisFYBc3cr+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	232	2124	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

2124 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2124 EXCEL.EXE
2124 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2124 wrote to memory of 232	2124	EXCEL.EXE	regsvr32.exe
PID 2124 wrote to memory of 232	2124	EXCEL.EXE	regsvr32.exe
PID 2124 wrote to memory of 232	2124	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\8766fe28490a485703eabc3ebc5ce53de390293d9142f5542361be05f4f3c893.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:2124
- 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:232

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
ac4be13ecbbfb250659a169af509b7cf

SHA1
c95461d69e1a99b3cf4823c4f8167f4f7b15190f

SHA256
e8fab31d56acde25b3bff7552d3db52b35b43d40a6194226281e9428b9a7619b

SHA512
a1c740a2d3719077fffc19f8c81b4d944272670c7612d985a118e41626022b7a0826f681155c582602a6e2324c3fbb84e67a34db1cbb711c1e424ea42d5f99b4

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

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/2124-12-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-14-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-2-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/2124-5-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-6-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-7-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/2124-10-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-9-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-1-0x00007FF85F5CD000-0x00007FF85F5CE000-memory.dmp

Filesize
4KB

Download
memory/2124-3-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/2124-13-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-15-0x00007FF81D550000-0x00007FF81D560000-memory.dmp

Filesize
64KB

Download
memory/2124-11-0x00007FF81D550000-0x00007FF81D560000-memory.dmp

Filesize
64KB

Download
memory/2124-8-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-4-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/2124-33-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-34-0x00007FF85F5CD000-0x00007FF85F5CE000-memory.dmp

Filesize
4KB

Download
memory/2124-35-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-36-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/2124-0-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads