54361f1e4511ae0df735ca65c094e8b8f35148786c85e14d04066b905db2c1f8

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 17:37

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General

Target

54361f1e4511ae0df735ca65c094e8b8f35148786c85e14d04066b905db2c1f8N.dll
Size

1.8MB
MD5

a565b33391f1368c17adccbf97270170
SHA1

3c1a19c8be7621ec1a61e8c12a0503d71f2c5ec2
SHA256

54361f1e4511ae0df735ca65c094e8b8f35148786c85e14d04066b905db2c1f8
SHA512

d61956761502e766db450dce003d8c519b0f0bba0c7ba4d2c6dd4ebca3f3a7d7a6f764c145627f427e3c406ede7a0ceaff4d20024489255c4b9adefe0adeee5e
SSDEEP

24576:W7IY7a9IRCRqRPkHQo411810cNScGKJydXTZDwmzRMo3DP7x5nbiQjbj3:eIY5RMHMf810Knor5zqo3zNJuQj3

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1288	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2072	rundll32.exe
2072	rundll32.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	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
1484	2072	WerFault.exe	31
2736	1288	WerFault.exe	32

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

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2072 wrote to memory of 1288	2072	rundll32.exe	32
PID 2072 wrote to memory of 1288	2072	rundll32.exe	32
PID 2072 wrote to memory of 1288	2072	rundll32.exe	32
PID 2072 wrote to memory of 1288	2072	rundll32.exe	32
PID 2072 wrote to memory of 1484	2072	rundll32.exe	33
PID 2072 wrote to memory of 1484	2072	rundll32.exe	33
PID 2072 wrote to memory of 1484	2072	rundll32.exe	33
PID 2072 wrote to memory of 1484	2072	rundll32.exe	33
PID 1288 wrote to memory of 2736	1288	rundll32mgr.exe	34
PID 1288 wrote to memory of 2736	1288	rundll32mgr.exe	34
PID 1288 wrote to memory of 2736	1288	rundll32mgr.exe	34
PID 1288 wrote to memory of 2736	1288	rundll32mgr.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\54361f1e4511ae0df735ca65c094e8b8f35148786c85e14d04066b905db2c1f8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\54361f1e4511ae0df735ca65c094e8b8f35148786c85e14d04066b905db2c1f8N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - 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:1288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 228
    3⤵
    - Program crash
    PID:1484

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/2072-3-0x0000000010000000-0x0000000010359000-memory.dmp

Filesize
3.3MB

Download
memory/2072-9-0x0000000010000000-0x0000000010359000-memory.dmp

Filesize
3.3MB

Download