2654a2e605d3dea79875dcf8486dbede564e9604483a64ec5412cf7ca44db818

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:48

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General

Target

2654a2e605d3dea79875dcf8486dbede564e9604483a64ec5412cf7ca44db818N.dll
Size

256KB
MD5

e3cf5110ad5c49d8b7ae3c0de2f2cf20
SHA1

bb9ffa59deb51f689219a29c8d1cbc5b935e24a4
SHA256

2654a2e605d3dea79875dcf8486dbede564e9604483a64ec5412cf7ca44db818
SHA512

370a99fc6a49a8532ef482593ec3bb666192d0ab2bfd1b6b5a17106afb7ea2ad169d6974913a81e079feca28def5c03b22ea79aaefbb7887d58842df6111c17d
SSDEEP

3072:bceeSeXG5nSst57n2ua934lqw7XTqqN7MjNBj8q2ZWo5OFuJDEXgzKgC2B6tz45I:bcrq9jqqpMjgq2ZmRc8HP

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\bxlrvps = "{27A13AFF-3A0C-4B60-877E-21E9F601218A}"	rundll32.exe

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	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27A13AFF-3A0C-4B60-877E-21E9F601218A}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27A13AFF-3A0C-4B60-877E-21E9F601218A}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27A13AFF-3A0C-4B60-877E-21E9F601218A}\InProcServer32\ = "C:\\Windows\\bxlrvps.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30
PID 2112 wrote to memory of 2656	2112	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2654a2e605d3dea79875dcf8486dbede564e9604483a64ec5412cf7ca44db818N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2654a2e605d3dea79875dcf8486dbede564e9604483a64ec5412cf7ca44db818N.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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