942577e25598e92e66ebd87f01ccaf6d4fd5e4c274600f1fa2d26dc3293a4128

General

Target

942577e25598e92e66ebd87f01ccaf6d4fd5e4c274600f1fa2d26dc3293a4128.xls
Size

47KB
MD5

c7095f0605fb6fd232c76a7cd9e74c56
SHA1

139db7c6cd4338274a744a6a04f46e3833d6a088
SHA256

942577e25598e92e66ebd87f01ccaf6d4fd5e4c274600f1fa2d26dc3293a4128
SHA512

f2922c03322a61781a7dcea8f9ded712dbdf1ed963e1641b7fecf1e21eacf3b9f050583335ad56e011519869f3c3c4c054b759a8ab85f0b529c5f792e5671084
SSDEEP

768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp5j:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8gx

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	1724	2988	regsvr32.exe	81

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
2988	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2988	EXCEL.EXE
2988	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 1724	2988	EXCEL.EXE	92
PID 2988 wrote to memory of 1724	2988	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\942577e25598e92e66ebd87f01ccaf6d4fd5e4c274600f1fa2d26dc3293a4128.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:2988
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32.exe ..\wnrul.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1724

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
34901cbd82aeef3ce8ed761be5f40d18

SHA1
a76d9959f09c7fee221877e6ca55c0ced18d2be9

SHA256
0154ed45e8965e9b009a95cdbaf23f9ac27f63c3563433c063fc40381c6e2b73

SHA512
9f44d76fb23878db02395933db65983fbcd42591c9f7e667bab3aad570897e264335e3dc9eabe14c0a5ef05f70652facefed3bd5c66c05e0f650756b0f7ae67c

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

Filesize
3KB

MD5
cc666088a917dd7f5da8b6689069aec0

SHA1
f688de634ccd20939a522391abb5049483e726bd

SHA256
332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

SHA512
77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

Download Submit
memory/2988-10-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-15-0x00007FFFAE050000-0x00007FFFAE060000-memory.dmp

Filesize
64KB

Download
memory/2988-7-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/2988-9-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-12-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-13-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-11-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-14-0x00007FFFAE050000-0x00007FFFAE060000-memory.dmp

Filesize
64KB

Download
memory/2988-0-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/2988-5-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-8-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-4-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/2988-2-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/2988-1-0x00007FFFF028D000-0x00007FFFF028E000-memory.dmp

Filesize
4KB

Download
memory/2988-25-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-26-0x00007FFFF028D000-0x00007FFFF028E000-memory.dmp

Filesize
4KB

Download
memory/2988-27-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-28-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-6-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-3-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads