19940a1e1820b4aa1e0bc8ae018bd31dc2d870fd9970ffbb3a25a25676c60936

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:43

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General

Target

19940a1e1820b4aa1e0bc8ae018bd31dc2d870fd9970ffbb3a25a25676c60936.xlsm
Size

37KB
MD5

281e4ecf6aa3fcbdad4755bbcdee69cd
SHA1

2f8ccfc79cb4ab0a40c3ba0a05419942626438c3
SHA256

19940a1e1820b4aa1e0bc8ae018bd31dc2d870fd9970ffbb3a25a25676c60936
SHA512

e8daf059c8cac6fdd694f333ee29a4c82bcb444af482a4ea7af9a27895b28cde9ddf721ba3b87d8575c6fffd0da6189fc3587485dc8adeac63eaa383c0d6e5dd
SSDEEP

768:0b/Mvd5dhTJxmxE7l0VGpevZCw4VmUxjfC30+kS4QyoX0VyY5G:0bmd5zmxE7W0XYk4pEVyV

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://ordereasy.hk/error/8BZswf/

xlm40.dropper

https://duocphamct.com/wp-content/JYT0KrYcoJrAj/

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2528	1852	rundll32.exe	27

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

rundll32.exeEXCEL.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
1852	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
1852	EXCEL.EXE
1852	EXCEL.EXE
1852	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29
PID 1852 wrote to memory of 2528	1852	EXCEL.EXE	29

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\19940a1e1820b4aa1e0bc8ae018bd31dc2d870fd9970ffbb3a25a25676c60936.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\bestb.ocx,D"&"l"&"l"&"R"&"eg"&"i"&"s"&"t"&"erServer
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\bestb.ocx

Filesize
4KB

MD5
d1017b57ecb3d2f64ea69706cb16a18e

SHA1
534d1c24ee4c911f653e794ea0c1825ce6a9af05

SHA256
411408565a0c82ec117736a0ba7e0fc408ff6b1e0cdf195ddb217038d26803f7

SHA512
3d869e53345a3d9754ec7cda5231a61daa9a036d4ea57b8335c629668a86280e7f9c0ca3c7f8bb56c9e12b10ba2522973ab5a8475e3ea9d5752470627b4f195f

Download Submit
memory/1852-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1852-1-0x0000000072A8D000-0x0000000072A98000-memory.dmp

Filesize
44KB

Download
memory/1852-28-0x0000000072A8D000-0x0000000072A98000-memory.dmp

Filesize
44KB

Download