00aa11347d151e8c50f3b90289880f73829d117b8bd3596c0d3190bba02a7a08

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 16:14

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General

Target

77cfb35854090e635200262c56f2dafd.dll
Size

74KB
MD5

77cfb35854090e635200262c56f2dafd
SHA1

5f157e14da5bc220829745b8ebf8f09291a9c148
SHA256

00aa11347d151e8c50f3b90289880f73829d117b8bd3596c0d3190bba02a7a08
SHA512

6c7cd63fe2440e23eb312616e135b59ca9ee8d7a94f22c4462a1a799288e678baca7f45c798a4f43fcd5c6d5fadaed32647e90fb455d34a5d3d9478a626a2d9f
SSDEEP

1536:riQmRt5ZN8ujwKxANnqBUC5bpKdu0pj8Vd7DIduh3fJyNYJdJ:6tlJjwKCCn5gsDkaJye7

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mseion.sys	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2232	rundll32.exe
2232	rundll32.exe
2232	rundll32.exe
2232	rundll32.exe
2232	rundll32.exe
2232	rundll32.exe
2232	rundll32.exe
2232	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2500 wrote to memory of 2232	2500	rundll32.exe	28
PID 2232 wrote to memory of 1200	2232	rundll32.exe	17

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\77cfb35854090e635200262c56f2dafd.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\77cfb35854090e635200262c56f2dafd.dll,#1
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2232

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-4-0x0000000003050000-0x0000000003051000-memory.dmp

Filesize
4KB

Download
memory/2232-0-0x0000000025000000-0x0000000025062000-memory.dmp

Filesize
392KB

Download
memory/2232-1-0x0000000025000000-0x0000000025062000-memory.dmp

Filesize
392KB

Download
memory/2232-2-0x0000000025000000-0x0000000025062000-memory.dmp

Filesize
392KB

Download