1e879b296304fae2a8d1425c90c956cc3db396afef6da2be85c914380cf38d11

General

Target

1e879b296304fae2a8d1425c90c956cc3db396afef6da2be85c914380cf38d11.xlsm
Size

51KB
MD5

4476f2a4e5155d7a73d3663006523363
SHA1

473943961cf5d1186138213fd2afa233694a2b7f
SHA256

1e879b296304fae2a8d1425c90c956cc3db396afef6da2be85c914380cf38d11
SHA512

7468f82aa1aed28240090d469c9fb2f73a7a152384afc6336caf0edde603296507086880e07b542f601984732e8987dfe07063c790f6f57e61c0755100f73d9c
SSDEEP

768:6ICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:6ItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

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	1888	1344	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
1344	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1344	EXCEL.EXE
1344	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE
1344	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1888	1344	EXCEL.EXE	88
PID 1344 wrote to memory of 1888	1344	EXCEL.EXE	88
PID 1344 wrote to memory of 1888	1344	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\1e879b296304fae2a8d1425c90c956cc3db396afef6da2be85c914380cf38d11.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:1344
- 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:1888

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
6c98b9303e10e8b93b0eb34f5275e835

SHA1
597a7779d854dc353a6fa28e88c8be6e3838f3fd

SHA256
4c0193e719c04bfbc35d0b9d4b722c9cc3cfd70136777ff8166592d63658a39f

SHA512
b0d44720cb448a0668ba59aca0ea5b1ac3781b0b3a88d5136bc68fea4974ff70e0f15454dbb606d2dded5cfc631691caaec92a9c86251969916139edb0a6f70e

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

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/1344-9-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-11-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-5-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-4-0x00007FF802A50000-0x00007FF802A60000-memory.dmp

Filesize
64KB

Download
memory/1344-6-0x00007FF802A50000-0x00007FF802A60000-memory.dmp

Filesize
64KB

Download
memory/1344-10-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-0-0x00007FF802A50000-0x00007FF802A60000-memory.dmp

Filesize
64KB

Download
memory/1344-8-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-12-0x00007FF800760000-0x00007FF800770000-memory.dmp

Filesize
64KB

Download
memory/1344-2-0x00007FF802A50000-0x00007FF802A60000-memory.dmp

Filesize
64KB

Download
memory/1344-14-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-13-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-7-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-15-0x00007FF800760000-0x00007FF800770000-memory.dmp

Filesize
64KB

Download
memory/1344-1-0x00007FF802A50000-0x00007FF802A60000-memory.dmp

Filesize
64KB

Download
memory/1344-41-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1344-3-0x00007FF842A6D000-0x00007FF842A6E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads