f0becbf0dbbc74ba9562a9aa9c0a9a9c6ceae0f7e9741d86ce806f04a7b334de

General

Target

f0becbf0dbbc74ba9562a9aa9c0a9a9c6ceae0f7e9741d86ce806f04a7b334de.xlsm
Size

51KB
MD5

a36c72ecfd07dea2ad3574369c9ffddf
SHA1

0fef5347a244359f97ba24affb706dae64472dfb
SHA256

f0becbf0dbbc74ba9562a9aa9c0a9a9c6ceae0f7e9741d86ce806f04a7b334de
SHA512

021d6ce93991f765b0d4042bd73c4888db91b208882320173e48c318974009ee80b0a48b77eb0802d0fdfd8e9a5e06be8b1c02bafe87d509f825917d46254324
SSDEEP

768:mICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:mItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

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	3696	2940	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

2940 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2940 EXCEL.EXE
2940 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE
2940	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2940 wrote to memory of 3696	2940	EXCEL.EXE	regsvr32.exe
PID 2940 wrote to memory of 3696	2940	EXCEL.EXE	regsvr32.exe
PID 2940 wrote to memory of 3696	2940	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\f0becbf0dbbc74ba9562a9aa9c0a9a9c6ceae0f7e9741d86ce806f04a7b334de.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:2940
- 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:3696

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
7766cb78f76646b03f05011c8442b1b6

SHA1
9a0fd788f4ddd04c1227a8cf753e88dcf367bc59

SHA256
8d7bf049999d99fa193ef81d07e45bfe5d6ea064c6d24c29dd73044f7706a19a

SHA512
c95bfbb772abcefad2ff51b2e7ea15e9c7dd6ba603c7a3080228ed19ce1d12da6371aaefa3448ed1f5e6a20a709b828d77505f0da8068b42f6a5d4be526b846a

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

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/2940-15-0x00007FF97DB00000-0x00007FF97DB10000-memory.dmp

Filesize
64KB

Download
memory/2940-5-0x00007FF980250000-0x00007FF980260000-memory.dmp

Filesize
64KB

Download
memory/2940-16-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-6-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-4-0x00007FF980250000-0x00007FF980260000-memory.dmp

Filesize
64KB

Download
memory/2940-9-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-12-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-13-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-10-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-11-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-3-0x00007FF9C026D000-0x00007FF9C026E000-memory.dmp

Filesize
4KB

Download
memory/2940-2-0x00007FF980250000-0x00007FF980260000-memory.dmp

Filesize
64KB

Download
memory/2940-14-0x00007FF97DB00000-0x00007FF97DB10000-memory.dmp

Filesize
64KB

Download
memory/2940-17-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-19-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-20-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-18-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-8-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-7-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-0-0x00007FF980250000-0x00007FF980260000-memory.dmp

Filesize
64KB

Download
memory/2940-42-0x00007FF9C01D0000-0x00007FF9C03C5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-1-0x00007FF980250000-0x00007FF980260000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads