837c4cc2fe6f5d706be37e2210c393b3ef56b8467001af68c5ec495d889a2df9

General

Target

837c4cc2fe6f5d706be37e2210c393b3ef56b8467001af68c5ec495d889a2df9.xlsm
Size

46KB
MD5

0bdf544ccf7787874129040fbdce2d4a
SHA1

0702fc0618a4672599395ebf312a22d435825266
SHA256

837c4cc2fe6f5d706be37e2210c393b3ef56b8467001af68c5ec495d889a2df9
SHA512

c3367df5a8820d11cd346e35a02d4056d0f2548a9bf4b23c1e2c948f14867221b666abe2265748b0dafecbfec0d06c8ad96a5bf95b49fa99b31f0af169f64913
SSDEEP

768:myMo9DOevZCwrvtE9WzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VP9HW:XMo9D88tT5fTR4Lh1NisFYBc3cr+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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	856	4572	regsvr32.exe	81

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4572	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4572	EXCEL.EXE
4572	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 856	4572	EXCEL.EXE	86
PID 4572 wrote to memory of 856	4572	EXCEL.EXE	86
PID 4572 wrote to memory of 856	4572	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\837c4cc2fe6f5d706be37e2210c393b3ef56b8467001af68c5ec495d889a2df9.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:4572
- 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:856

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
70f4ff329d7d4cd3af69a5c638490646

SHA1
fc40e20b557d1f1f451d5ff69df66f4ea967d7ab

SHA256
7c526301aeb9bb00d034112f433239659b0dcb9d62f9b87cbd8e607690d15b8f

SHA512
314e36766a3cdb0cc6493eafd3e597c74a2a877fd543528a80992d8516bb779b513f09c3b2bb61fc0a39e110bb6bf6309a2ff01ab3379907c3df33d6cc294b3f

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

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/4572-9-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-13-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-0-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4572-5-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4572-6-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-7-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-11-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-10-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-2-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4572-3-0x00007FFB8760D000-0x00007FFB8760E000-memory.dmp

Filesize
4KB

Download
memory/4572-12-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-16-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-17-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-18-0x00007FFB44CF0000-0x00007FFB44D00000-memory.dmp

Filesize
64KB

Download
memory/4572-15-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-14-0x00007FFB44CF0000-0x00007FFB44D00000-memory.dmp

Filesize
64KB

Download
memory/4572-8-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-4-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4572-38-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4572-1-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads