a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600

General

Target

a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600.xlsm
Size

51KB
MD5

407e805974ef68479cf36dee4f66fa48
SHA1

0cb023bd575e1553558d621e0b951474edbe8617
SHA256

a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600
SHA512

7eecab3363227616656cd32ac21c52b98bd9de454e04721e57db50cf7d1c85135fd3653bf1248352178a08f9966e8a8130a7dcbd97c587e1eebf4bfb3cf03cc0
SSDEEP

768:WICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:WItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/

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	3468	2820	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

2820 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2820 EXCEL.EXE
2820 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2820 wrote to memory of 3468	2820	EXCEL.EXE	regsvr32.exe
PID 2820 wrote to memory of 3468	2820	EXCEL.EXE	regsvr32.exe
PID 2820 wrote to memory of 3468	2820	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\a18a0e5ea66c4d04de875e6f3c22418d21948d0ab563a4d2633b7863b729a600.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:2820
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3468

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\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
e7bd55782e82a3737d3b4e12972a5f27

SHA1
5b84bbc53e2192f481e35fa862f369cdbe99f7c0

SHA256
8b3dd49c53cfc8fbbc8da6fa0ca954627fc260bb54b913cf822f86f4ca1c94ed

SHA512
7cb0e93f05fe7203e2703d1f1dd5d738ac611bf99f3ebd67acccb2e97454fa94b51dcd4ef671001b3de9f38dfdf1b9617d30d20b22887fe79fd78f0011338685

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

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/2820-12-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-2-0x00007FFBED910000-0x00007FFBED920000-memory.dmp

Filesize
64KB

Download
memory/2820-3-0x00007FFBED910000-0x00007FFBED920000-memory.dmp

Filesize
64KB

Download
memory/2820-4-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-7-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-6-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-8-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-11-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-13-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-15-0x00007FFBEB8B0000-0x00007FFBEB8C0000-memory.dmp

Filesize
64KB

Download
memory/2820-5-0x00007FFBED910000-0x00007FFBED920000-memory.dmp

Filesize
64KB

Download
memory/2820-0-0x00007FFBED910000-0x00007FFBED920000-memory.dmp

Filesize
64KB

Download
memory/2820-14-0x00007FFBEB8B0000-0x00007FFBEB8C0000-memory.dmp

Filesize
64KB

Download
memory/2820-9-0x00007FFBED910000-0x00007FFBED920000-memory.dmp

Filesize
64KB

Download
memory/2820-18-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-17-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-16-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-1-0x00007FFC2D92D000-0x00007FFC2D92E000-memory.dmp

Filesize
4KB

Download
memory/2820-40-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-41-0x00007FFC2D92D000-0x00007FFC2D92E000-memory.dmp

Filesize
4KB

Download
memory/2820-42-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-43-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/2820-10-0x00007FFC2D890000-0x00007FFC2DA85000-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