e818f58319fe2ffbf86232c3cbbf6bf0d3b272ab8a6d925f79a130ccd6a691ec

General

Target

e818f58319fe2ffbf86232c3cbbf6bf0d3b272ab8a6d925f79a130ccd6a691ec.xlsm
Size

46KB
MD5

bdc77a843e5ca808ac6bc85cd13bbfa7
SHA1

54dff0dc6ab9feb10914889fb2ed9a8c2ca5c72c
SHA256

e818f58319fe2ffbf86232c3cbbf6bf0d3b272ab8a6d925f79a130ccd6a691ec
SHA512

3971150d37171f9777bc1dd8956ccf7ebc2bf39f97fa3502fcc94b28b99262f03f7cd6f80b4ac2305c18ddc03e38f77cd841187c55ab2accfc23b8d06426bfa7
SSDEEP

768:6o9DOevZCwrvtOzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VPPDks:6o9D+tT5fTR4Lh1NisFYBc3cr+UqVnDZ

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://dan-bau.com/wp-includes/css/dist/h2plh7xZso/

xlm40.dropper

https://advisereviews.com/wp-content/2NyZZiJ6KEzPPrbx/

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	540	5064	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 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
5064	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5064	EXCEL.EXE
5064	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE
5064	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 540	5064	EXCEL.EXE	88
PID 5064 wrote to memory of 540	5064	EXCEL.EXE	88
PID 5064 wrote to memory of 540	5064	EXCEL.EXE	88

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e818f58319fe2ffbf86232c3cbbf6bf0d3b272ab8a6d925f79a130ccd6a691ec.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:5064
- 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:540

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

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Downloads

C:\Users\Admin\aew.ocx

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/5064-8-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-3-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/5064-10-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

Filesize
64KB

Download
memory/5064-12-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-6-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-5-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/5064-4-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/5064-1-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/5064-42-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-2-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-7-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

Filesize
64KB

Download
memory/5064-11-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-13-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

Filesize
64KB

Download
memory/5064-0-0x00007FFDB850D000-0x00007FFDB850E000-memory.dmp

Filesize
4KB

Download
memory/5064-39-0x00007FFDB850D000-0x00007FFDB850E000-memory.dmp

Filesize
4KB

Download
memory/5064-40-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-41-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/5064-9-0x00007FFDB8470000-0x00007FFDB8665000-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