cdd61463fb31d3f4c05ba1b01774bcd2a141b27a2143d3b33952ced97803fff2

General

Target

cdd61463fb31d3f4c05ba1b01774bcd2a141b27a2143d3b33952ced97803fff2.xlsm
Size

38KB
MD5

f4d8def1aff58d07a3fd0c79c3cfa799
SHA1

de11ab2bb346f5a27c3930ab9272d2716930cef7
SHA256

cdd61463fb31d3f4c05ba1b01774bcd2a141b27a2143d3b33952ced97803fff2
SHA512

d293d7dc45c75da8d9be76fb93a893fa44b5f23073fde72756a5f0f68a8fbf43dbe2cc48811801922554656a2e4550f0088be9223a3bd7b9d4734dce182561c9
SSDEEP

768:ibdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:iwDOZZ1ZYpoQ/pMAeVIyYzaT

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://pianistprodigy.com/demolms/Ax6ZgvEJJ8HEKfXrp/

xlm40.dropper

https://risamfg.com/wp-admin/JtqFQW/

xlm40.dropper

https://thailand-rocco.com/wp-content/gE7UvFwLh/

xlm40.dropper

https://pregy.org/test/rXTl1DEv0CWCE/

xlm40.dropper

https://romusreselling.xyz/wordpress/Lgv7VKTvFFuBH8uct2Eq/

xlm40.dropper

https://olawyer.net/wp-includes/e8jtEIL3lFkImOvd9k/

xlm40.dropper

https://tebetdanelon.com.br/wp-content/iVrceXC3knlRRl/

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	1968	3552	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3552	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3552	EXCEL.EXE
3552	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 1968	3552	EXCEL.EXE	102
PID 3552 wrote to memory of 1968	3552	EXCEL.EXE	102
PID 3552 wrote to memory of 1968	3552	EXCEL.EXE	102

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cdd61463fb31d3f4c05ba1b01774bcd2a141b27a2143d3b33952ced97803fff2.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:3552
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1968

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
12687e71205dd6b1bc2a3eec444ed1b4

SHA1
af02ce5b0ffaf99debed5f35dd080d94ab684c91

SHA256
00bde598e4f116cdf492b631f8e2ec1e65ed43786eb8d1adb72520c33985bf9b

SHA512
9ad30d53791d58d9bb16cf0106ed1afe38f0d991f21058e0367b48677bb02596e8a47ab889408981b789f8198ae5a662234a6dfd55f955b27ac096d16864884c

Download Submit
memory/3552-8-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-12-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-5-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-1-0x00007FFD8D3CD000-0x00007FFD8D3CE000-memory.dmp

Filesize
4KB

Download
memory/3552-4-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-7-0x00007FFD4D3B0000-0x00007FFD4D3C0000-memory.dmp

Filesize
64KB

Download
memory/3552-2-0x00007FFD4D3B0000-0x00007FFD4D3C0000-memory.dmp

Filesize
64KB

Download
memory/3552-9-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-3-0x00007FFD4D3B0000-0x00007FFD4D3C0000-memory.dmp

Filesize
64KB

Download
memory/3552-10-0x00007FFD4AB00000-0x00007FFD4AB10000-memory.dmp

Filesize
64KB

Download
memory/3552-6-0x00007FFD4D3B0000-0x00007FFD4D3C0000-memory.dmp

Filesize
64KB

Download
memory/3552-11-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-13-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-14-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-15-0x00007FFD4AB00000-0x00007FFD4AB10000-memory.dmp

Filesize
64KB

Download
memory/3552-34-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-35-0x00007FFD8D3CD000-0x00007FFD8D3CE000-memory.dmp

Filesize
4KB

Download
memory/3552-36-0x00007FFD8D330000-0x00007FFD8D525000-memory.dmp

Filesize
2.0MB

Download
memory/3552-0-0x00007FFD4D3B0000-0x00007FFD4D3C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads