aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd

General

Target

?i=1ublkxnjc.xls
Size

113KB
MD5

3e47f75fb9dbb067e2b47049666fc1d2
SHA1

df51ed9b3c9bc6bbef920f2de3bedeccda5217c3
SHA256

aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd
SHA512

878839b9037053905384417e505741ef74622804eb384f84d1cd1b8b96eb8b0521d6f248f5a9ae635c2367cab17669db248156ef0ca5f11d6a54f3adc0d118eb

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://ordinateur.ogivart.us/editor/Qpo7OAOnbe/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3724	4768	rundll32.exe	83

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid	Process
4768	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	Process
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 4768 wrote to memory of 3724	4768	EXCEL.EXE	90
PID 4768 wrote to memory of 3724	4768	EXCEL.EXE	90
PID 4768 wrote to memory of 3724	4768	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\_i=1ublkxnjc.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\sun.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  PID:3724

Network

MITRE ATT&CK Enterprise v6

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\sun.ocx

Filesize
5KB

MD5
c3b8b651f46d7c7bcdef25bb6dc2d386

SHA1
60767aeb96dcaa5ff979dc4fac8673827b0c80fa

SHA256
908981b1611586011d764bf82dca61b1f114c807c03a7500b4eedcde42e76f16

SHA512
0a32f8710b922226100a03cf41f95296a1c1250146ee28bc33ef692ecc987477fbdb7519927eebd16db7ec73b1b381e3e0511aa6cb20d64fe5d35feb78154090

Download Submit
memory/3724-137-0x0000000000000000-mapping.dmp

Download
memory/4768-130-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/4768-131-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/4768-132-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/4768-133-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/4768-134-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/4768-135-0x00007FF9EA9B0000-0x00007FF9EA9C0000-memory.dmp

Filesize
64KB

Download
memory/4768-136-0x00007FF9EA9B0000-0x00007FF9EA9C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads