ed7d5f7a6aad35f0e7a288826a12be5d2265fa9d73c65793b2b882c8675b36a7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 05:04

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General

Target

ed7d5f7a6aad35f0e7a288826a12be5d2265fa9d73c65793b2b882c8675b36a7.dll
Size

383KB
MD5

6778165c5dd67c4ea7d54aed984f45b6
SHA1

6dfc99584828350705b1e1a7d85e62b6490da502
SHA256

ed7d5f7a6aad35f0e7a288826a12be5d2265fa9d73c65793b2b882c8675b36a7
SHA512

3865cf5bbb14800e0d24bf5d55210b703a64db6e80eaa0ee1b5d78d9c4a35402e9776c348d0f14a06ce0fb7b3e2f06bf44755d9bb09054294676c5859b40a0e1
SSDEEP

6144:+g24tjY8X5/872Khy380ka8Z3SjMK0ZRoc7R19PF/EAMz0SitNMYS:+yjh09hy3k3SjARHRz5SkNMf

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2776	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2136	rundll32.exe
2136	rundll32.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe
2972	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2972	2776	WerFault.exe	31
2728	2136	WerFault.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 1524 wrote to memory of 2136	1524	rundll32.exe	30
PID 2136 wrote to memory of 2776	2136	rundll32.exe	31
PID 2136 wrote to memory of 2776	2136	rundll32.exe	31
PID 2136 wrote to memory of 2776	2136	rundll32.exe	31
PID 2136 wrote to memory of 2776	2136	rundll32.exe	31
PID 2776 wrote to memory of 2972	2776	rundll32mgr.exe	32
PID 2776 wrote to memory of 2972	2776	rundll32mgr.exe	32
PID 2776 wrote to memory of 2972	2776	rundll32mgr.exe	32
PID 2776 wrote to memory of 2972	2776	rundll32mgr.exe	32
PID 2136 wrote to memory of 2728	2136	rundll32.exe	33
PID 2136 wrote to memory of 2728	2136	rundll32.exe	33
PID 2136 wrote to memory of 2728	2136	rundll32.exe	33
PID 2136 wrote to memory of 2728	2136	rundll32.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed7d5f7a6aad35f0e7a288826a12be5d2265fa9d73c65793b2b882c8675b36a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed7d5f7a6aad35f0e7a288826a12be5d2265fa9d73c65793b2b882c8675b36a7.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 220
    3⤵
    - Program crash
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2136-1-0x0000000074DD0000-0x0000000074E38000-memory.dmp

Filesize
416KB

Download
memory/2136-3-0x0000000074DD0000-0x0000000074E38000-memory.dmp

Filesize
416KB

Download
memory/2136-2-0x0000000074D60000-0x0000000074DC8000-memory.dmp

Filesize
416KB

Download
memory/2136-18-0x0000000074D60000-0x0000000074DC8000-memory.dmp

Filesize
416KB

Download