aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 01:53

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General

Target

aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee.dll
Size

288KB
MD5

7e28649fc0e3db21619c4667baa77c2e
SHA1

670527aa4917ed5bb2ce77f1a92a1cca0cc4482f
SHA256

aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee
SHA512

29b83ada3e009c294c64709286496aea824aa43da15b313429b8f38f8680d1dad6a0b601085284b86520135f05b62cad4fb7d9017e8ac56d1ee6ef775216b579
SSDEEP

6144:5CIGPj038tAgFMldWNX+fNErZiYqVHS9fE5M7i4y39:yj038t/FMldW4fAZiYqVHY80w39

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2604	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2324	rundll32.exe
2324	rundll32.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe
2584	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
2388	2324	WerFault.exe	30
2584	2604	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 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2240 wrote to memory of 2324	2240	rundll32.exe	30
PID 2324 wrote to memory of 2604	2324	rundll32.exe	31
PID 2324 wrote to memory of 2604	2324	rundll32.exe	31
PID 2324 wrote to memory of 2604	2324	rundll32.exe	31
PID 2324 wrote to memory of 2604	2324	rundll32.exe	31
PID 2324 wrote to memory of 2388	2324	rundll32.exe	32
PID 2324 wrote to memory of 2388	2324	rundll32.exe	32
PID 2324 wrote to memory of 2388	2324	rundll32.exe	32
PID 2324 wrote to memory of 2388	2324	rundll32.exe	32
PID 2604 wrote to memory of 2584	2604	rundll32mgr.exe	33
PID 2604 wrote to memory of 2584	2604	rundll32mgr.exe	33
PID 2604 wrote to memory of 2584	2604	rundll32mgr.exe	33
PID 2604 wrote to memory of 2584	2604	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - 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:2604
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 92
      4⤵
      Loads dropped DLL
      Program crash
      PID:2584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 228
    3⤵
    - Program crash
    PID:2388

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
623d4fbb23eede885545651c25bc9b28

SHA1
290d67841d6bd8ce68ae88d8f4a3e3bdca072143

SHA256
1546eae84af97be2cfd8127c75f79b03bd18cc9f44630d3e4e87a5074c644050

SHA512
e489e9316626a645581fb5f0db8458df951643ebdb5a9e9224b3a3f4d9808efbda3a1ad260d865bd49ee385ddf46188072700e0536d3a335cacbaba998ea2f2a

Download Submit
memory/2324-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2324-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2324-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2324-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2324-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2324-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2604-13-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2604-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download