d9fc5358146b7c12551b29e5f8a7a942d51bda70ff97ed6ba7acff0ce0d89fb3 | Triage

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 01:45

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General

Target

59f409d222249be2379628b3aff87421.dll
Size

33KB
MD5

59f409d222249be2379628b3aff87421
SHA1

c3096e60a03b1166c6fa372ed77cab380c375fb4
SHA256

d9fc5358146b7c12551b29e5f8a7a942d51bda70ff97ed6ba7acff0ce0d89fb3
SHA512

be2687d01375ca4c640f3bf9b1129546a0f713ba03a686af832a466e9e77c74cf458ae7c56cf324b66377f19c58b005b77f4c6da0661c55ab8cfe1ee9c9837c7
SSDEEP

768:BOlc5QxBy/Zxkk8SWIu5yPLtSHxLVwrSPivMqdbBI:AC5gk/ZklD7RZYjv3d1I

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\klogini.dll	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5052	4224	WerFault.exe	14
1832	4224	WerFault.exe	14

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 4224	4064	rundll32.exe	14
PID 4064 wrote to memory of 4224	4064	rundll32.exe	14
PID 4064 wrote to memory of 4224	4064	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59f409d222249be2379628b3aff87421.dll,#1
1⤵
- Drops file in System32 directory
PID:4224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 640
  2⤵
  - Program crash
  PID:5052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 648
  2⤵
  - Program crash
  PID:1832

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59f409d222249be2379628b3aff87421.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4224 -ip 4224
1⤵
PID:3368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4224 -ip 4224
1⤵
PID:2008

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4224-0-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4224-1-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download