5415e199eb03c2853043259353c0c8004d73cf39bc307c2cb44149735a67214d

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 02:18

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General

Target

5415e199eb03c2853043259353c0c8004d73cf39bc307c2cb44149735a67214dN.dll
Size

289KB
MD5

f5850b4e99e56d3b5d770bbed9612360
SHA1

3daf10ae37ddd9bc97980e5f7b6a3372c7c8fea1
SHA256

5415e199eb03c2853043259353c0c8004d73cf39bc307c2cb44149735a67214d
SHA512

7eab147d565d2b66da3df6dcafe4319c9d249c8794f96366dade199423559f737c1f7d908ea61e7dc6be861cb13110726bc9c3a50206b7d44269180d276b4e13
SSDEEP

6144:PCIGPj038tAgFMldWNX+DubRkLZ2+KcAfv5CSkS7:Uj038t/FMldW4DTZ2+KccC9S7

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2512	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2376	rundll32.exe
2376	rundll32.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	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
2232	2376	WerFault.exe	30
2840	2512	WerFault.exe	31

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 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 2376 wrote to memory of 2512	2376	rundll32.exe	31
PID 2376 wrote to memory of 2512	2376	rundll32.exe	31
PID 2376 wrote to memory of 2512	2376	rundll32.exe	31
PID 2376 wrote to memory of 2512	2376	rundll32.exe	31
PID 2376 wrote to memory of 2232	2376	rundll32.exe	32
PID 2376 wrote to memory of 2232	2376	rundll32.exe	32
PID 2376 wrote to memory of 2232	2376	rundll32.exe	32
PID 2376 wrote to memory of 2232	2376	rundll32.exe	32
PID 2512 wrote to memory of 2840	2512	rundll32mgr.exe	33
PID 2512 wrote to memory of 2840	2512	rundll32mgr.exe	33
PID 2512 wrote to memory of 2840	2512	rundll32mgr.exe	33
PID 2512 wrote to memory of 2840	2512	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5415e199eb03c2853043259353c0c8004d73cf39bc307c2cb44149735a67214dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5415e199eb03c2853043259353c0c8004d73cf39bc307c2cb44149735a67214dN.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:2512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 92
      4⤵
      Loads dropped DLL
      Program crash
      PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 224
    3⤵
    - Program crash
    PID:2232

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

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
ee77f2a82f0ada3db67768b4fb688c71

SHA1
5165e088484d73d5100a92bcfab9f6ea367407fe

SHA256
71793760f681181db3e67b9f9231b1dc67dd896b431f4b13d920d876fb8edbb9

SHA512
40e7a4dfedbbc8e936684b3bf498d2d47b05b2fe8af13f21e89dca5fac8aa1d9caa354120c4d0308295b35f9f6a9a2c2fd0eae488b33e665cb27431f3b2148f1

Download Submit
memory/2376-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2376-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2376-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2512-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2512-19-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download