1b906484cc0eeeec0ef51d23af5dc77d487167365127e727d1576d294ea258ce

General

Target

1b906484cc0eeeec0ef51d23af5dc77d487167365127e727d1576d294ea258ce.xlsm
Size

51KB
MD5

3ca8c8e5a2f8f4fe2690809436b11287
SHA1

3f2741b69489f0f51979a007d471a0c2b8390cdc
SHA256

1b906484cc0eeeec0ef51d23af5dc77d487167365127e727d1576d294ea258ce
SHA512

271df435f3e0ed9b736e12750e26e2277808c3ab1b1f7981bd34cf8834f2c165fea00648415ee481a285016bccc78f2d30e5e8a4e9f405761d0c6bd650b45be2
SSDEEP

768:GICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:GItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1944	4740	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4740	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4740	EXCEL.EXE
4740	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE
4740	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 1944	4740	EXCEL.EXE	86
PID 4740 wrote to memory of 1944	4740	EXCEL.EXE	86
PID 4740 wrote to memory of 1944	4740	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\1b906484cc0eeeec0ef51d23af5dc77d487167365127e727d1576d294ea258ce.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:4740
- 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:1944

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\wn.ocx

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/4740-12-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-40-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-2-0x00007FFA2AF50000-0x00007FFA2AF60000-memory.dmp

Filesize
64KB

Download
memory/4740-4-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-7-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-6-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-5-0x00007FFA2AF50000-0x00007FFA2AF60000-memory.dmp

Filesize
64KB

Download
memory/4740-14-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-42-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-3-0x00007FFA2AF50000-0x00007FFA2AF60000-memory.dmp

Filesize
64KB

Download
memory/4740-8-0x00007FFA2AF50000-0x00007FFA2AF60000-memory.dmp

Filesize
64KB

Download
memory/4740-15-0x00007FFA28EC0000-0x00007FFA28ED0000-memory.dmp

Filesize
64KB

Download
memory/4740-13-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-16-0x00007FFA28EC0000-0x00007FFA28ED0000-memory.dmp

Filesize
64KB

Download
memory/4740-11-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-9-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-1-0x00007FFA2AF50000-0x00007FFA2AF60000-memory.dmp

Filesize
64KB

Download
memory/4740-0-0x00007FFA6AF6D000-0x00007FFA6AF6E000-memory.dmp

Filesize
4KB

Download
memory/4740-41-0x00007FFA6AF6D000-0x00007FFA6AF6E000-memory.dmp

Filesize
4KB

Download
memory/4740-10-0x00007FFA6AED0000-0x00007FFA6B0C5000-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