c1612c699a0e5e718a1d066ac997e4fe7f46c283bcca15b1cd030dfd49fa9379

General

Target

c1612c699a0e5e718a1d066ac997e4fe7f46c283bcca15b1cd030dfd49fa9379.xls
Size

47KB
MD5

3dff266b20db00aa1b2fca1f0d5b5d3a
SHA1

95ee4d59c67c6f781a1f6fafb785a81a35de0378
SHA256

c1612c699a0e5e718a1d066ac997e4fe7f46c283bcca15b1cd030dfd49fa9379
SHA512

ce542f350d082eb76fe8347b2fb978914b3c79299a9f3bbcf1a7c2f2f0f4d3a5ac737a5d2c422eaf10e599db91bb38c6e6d6e2db02e4aa06a8baf05bc6c51a68
SSDEEP

768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp53:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8gF

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://eleselektromekanik.com/69Iq5Pwbd0/s/

xlm40.dropper

https://demo.icn.com.np/stories/Qk/

xlm40.dropper

http://demo34.ckg.hk/service/Atk7RQfUV673M/

xlm40.dropper

https://bitmovil.mx/css/TrgyPiTXy3/

xlm40.dropper

http://dupot.cz/tvhost/DUnMUvwZOhQs/

xlm40.dropper

http://focanainternet.com.br/erros/DepAK3p1Y/

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	4144	3552	regsvr32.exe	84

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 14 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
3552	EXCEL.EXE
3552	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 4144	3552	EXCEL.EXE	99
PID 3552 wrote to memory of 4144	3552	EXCEL.EXE	99

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c1612c699a0e5e718a1d066ac997e4fe7f46c283bcca15b1cd030dfd49fa9379.xls"
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\SYSTEM32\regsvr32.exe
  regsvr32.exe ..\wnrul.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4144

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

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
25300a5a9bf37fd72eb6215286963a45

SHA1
e39a53eb9de08264e37d7e0a7e91fd507a7c84b4

SHA256
9a97bc5410a685e753bf555f92e461e4b95bed696e91026eaf1c4ec1d70f803d

SHA512
00bc503dc8606f5914227dddefde7c6d5f60ec05dad3daff1e6ce4d870e203af53a7398a329e1a7e7d16b8a1cad3852c1a064b42999a3deebd9ab8f74dc81d9e

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

Filesize
3KB

MD5
cc666088a917dd7f5da8b6689069aec0

SHA1
f688de634ccd20939a522391abb5049483e726bd

SHA256
332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

SHA512
77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

Download Submit
memory/3552-11-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-13-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-4-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/3552-5-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/3552-7-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-6-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-9-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-12-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-0-0x00007FF85F5CD000-0x00007FF85F5CE000-memory.dmp

Filesize
4KB

Download
memory/3552-2-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/3552-14-0x00007FF81D550000-0x00007FF81D560000-memory.dmp

Filesize
64KB

Download
memory/3552-10-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-8-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-15-0x00007FF81D550000-0x00007FF81D560000-memory.dmp

Filesize
64KB

Download
memory/3552-25-0x00007FF85F5CD000-0x00007FF85F5CE000-memory.dmp

Filesize
4KB

Download
memory/3552-26-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-27-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/3552-3-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/3552-1-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads