eb62a2999e8fe9cc49685bd090564c29d1d81b642b2df67c7ac2c6c13e9efd8f | Triage

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
20-05-2022 05:39

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General

Target

Conficker binaries/bd35d4d98fcbb1ec0e090fd2c631baa5.dll
Size

62KB
MD5

bd35d4d98fcbb1ec0e090fd2c631baa5
SHA1

e48b2fcb09ada376895fc838a9c3c9e233c2ffba
SHA256

7b603982ded5d5e51fee8acce7c9be5e16be97330ef6036a461d5a5ed83e4829
SHA512

8946f19a085c5d590edb24faee28ed840333528a538a2c251f30a28c71ce9ae78e1d919ce286c124d0aa18749b1b30718b78baae43681480fdd5e7f3ba0fa863

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\yitebtdr.zjx	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\yitebtdr.zjx	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1408	1080	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Conficker binaries\bd35d4d98fcbb1ec0e090fd2c631baa5.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Conficker binaries\bd35d4d98fcbb1ec0e090fd2c631baa5.dll",#1
  2⤵
  - Drops file in System32 directory
  PID:1408

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1408-54-0x0000000000000000-mapping.dmp

Download
memory/1408-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1408-59-0x0000000000150000-0x000000000016C000-memory.dmp

Filesize
112KB

Download
memory/1408-61-0x0000000000150000-0x000000000016C000-memory.dmp

Filesize
112KB

Download