8785f8a97162333ca6c2daff37af851ba813c1f5e93550a9702c23dfe1a0ae17

General

Target

8785f8a97162333ca6c2daff37af851ba813c1f5e93550a9702c23dfe1a0ae17.xlsm
Size

90KB
MD5

79bca6a455b1291a4a4ab52e9e3599de
SHA1

ee0891d5a6786f735c219ebf66f414c6fe7a226c
SHA256

8785f8a97162333ca6c2daff37af851ba813c1f5e93550a9702c23dfe1a0ae17
SHA512

7722cb0c1a1402ae827eb91606d697c8dbcc42cdafd4d6c44a3a679ba633d830c7bff2f3a0fb256f02948c8f8f50557c17eeab04fb0c2a3feef62fae560e3691
SSDEEP

1536:vQBrnXpnyV+ns1BVi/IEh2hx0Lx3bKhllGGx0vKCEjdQjqEk+xXPd:GDpyVEoBo6hKb4llGsQjbxfd

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ajaxmatters.com/c7g8t/zbBYgukXYxzAF2hZc/

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	4704	4724	regsvr32.exe	82

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
4724	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4724	EXCEL.EXE
4724	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4704	4724	EXCEL.EXE	87
PID 4724 wrote to memory of 4704	4724	EXCEL.EXE	87
PID 4724 wrote to memory of 4704	4724	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8785f8a97162333ca6c2daff37af851ba813c1f5e93550a9702c23dfe1a0ae17.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:4724
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\xxw1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:4704

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
0532a1ab63a434df16f4f40656dda60e

SHA1
31a8d8fea3ba07e827b6c2e8fbda5ef6724e8e29

SHA256
2fc24b193130dbb71c3d3389d8a0ae82a6c6aef178f4f4af025049e501e76983

SHA512
c9face26ad77ca1216c5542fb350bcac9c05e4f50d915a8a6b0ac98882294984da6b0ccb7b143e9d0f6ebe1c5c55fb909f44f6340094f9e893fd2984f21e9f60

Download Submit
C:\Users\Admin\xxw1.ocx

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/4724-14-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

Filesize
64KB

Download
memory/4724-1-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp

Filesize
4KB

Download
memory/4724-0-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/4724-4-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-7-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-6-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-8-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/4724-10-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

Filesize
64KB

Download
memory/4724-9-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-19-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-5-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/4724-2-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/4724-11-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-18-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-16-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-15-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-13-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-12-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-3-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

Filesize
64KB

Download
memory/4724-41-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-42-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp

Filesize
4KB

Download
memory/4724-43-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4724-17-0x00007FFA9FBF0000-0x00007FFA9FDE5000-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