223c8961ccda78669e4e1bdbea62c255afa37c48813261e48d7db07973ffa16a

General

Target

223c8961ccda78669e4e1bdbea62c255afa37c48813261e48d7db07973ffa16a.xlsm
Size

51KB
MD5

e59e08c40ea1e545f36a01500425cfb8
SHA1

bfc6aba98c0897ad9492e352a3de1c7d745b93af
SHA256

223c8961ccda78669e4e1bdbea62c255afa37c48813261e48d7db07973ffa16a
SHA512

6ef9bc1ecfa1dd1c8712f0342f9016c09f6be89225134e61e93c6b506bba9a42037fde1c410537ddc608bc99cf00ac7ace90042c46051937174340fccd9c612b
SSDEEP

768:qICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:qItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

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	4644	3972	regsvr32.exe	84

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
3972	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3972	EXCEL.EXE
3972	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4644	3972	EXCEL.EXE	90
PID 3972 wrote to memory of 4644	3972	EXCEL.EXE	90
PID 3972 wrote to memory of 4644	3972	EXCEL.EXE	90

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\223c8961ccda78669e4e1bdbea62c255afa37c48813261e48d7db07973ffa16a.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:3972
- 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:4644

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
8445532b310f4f3c1eadf26ea515951c

SHA1
7dd8c6c9e4e196aae092e2c70599412f43275124

SHA256
a12ca1c43d1083353c44ed9326adc6344490ce000e0f890dc6c094016a602061

SHA512
fd2278b8dbdeed969c7056f7271e91b5baa87ee0e8d68933f4bc636e300e4fa5c866a36e0f466014ba157eb0cd30e73d95770c9b75e1a7694fa59704bdcce5e3

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

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/3972-13-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-6-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-0-0x00007FFF098B0000-0x00007FFF098C0000-memory.dmp

Filesize
64KB

Download
memory/3972-9-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-8-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-7-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-15-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-10-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-12-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-11-0x00007FFF076C0000-0x00007FFF076D0000-memory.dmp

Filesize
64KB

Download
memory/3972-2-0x00007FFF098B0000-0x00007FFF098C0000-memory.dmp

Filesize
64KB

Download
memory/3972-1-0x00007FFF098B0000-0x00007FFF098C0000-memory.dmp

Filesize
64KB

Download
memory/3972-19-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-5-0x00007FFF098B0000-0x00007FFF098C0000-memory.dmp

Filesize
64KB

Download
memory/3972-16-0x00007FFF076C0000-0x00007FFF076D0000-memory.dmp

Filesize
64KB

Download
memory/3972-17-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-14-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-21-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-20-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-18-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-4-0x00007FFF098B0000-0x00007FFF098C0000-memory.dmp

Filesize
64KB

Download
memory/3972-43-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-44-0x00007FFF49830000-0x00007FFF49A25000-memory.dmp

Filesize
2.0MB

Download
memory/3972-3-0x00007FFF498CD000-0x00007FFF498CE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads