dc9d20cd3326273a57777cdcc31ee730988660b6eec9153647646e8cb9882829

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02-06-2024 07:37

Target

Conficker binaries/CC7EDB2E4300AC539259F3FFDE0F1AB6.dll
Size

55KB
MD5

cc7edb2e4300ac539259f3ffde0f1ab6
SHA1

692caa0d6fd13028bec25cdca15f13522d1b3a7d
SHA256

f9ad7be3c4f8cf06d2f5f1784c8c9eae81f15559a2c906a2ded9ba51cc659e09
SHA512

ec96df9d96f772b2b901397ae660f906c708f15f575955e3eaa56d8abbe05fca9348942c9ca0a6052039b72c2f3a2d1abf960acdb131b597af2f8d76c1850ec1
SSDEEP

1536:teksNva96imfw8qZ0V5VGnr3K3DvM+ADV:spaBB8eK5c3QDvmh

Score

8^/10

upx

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow	pid	Process
4	1636	rundll32.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral9/memory/1636-5-0x0000000010000000-0x0000000010016000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

rundll32.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\bnlagjda.arf	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\bnlagjda.arf	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28
PID 2208 wrote to memory of 1636	2208	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Conficker binaries\CC7EDB2E4300AC539259F3FFDE0F1AB6.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Conficker binaries\CC7EDB2E4300AC539259F3FFDE0F1AB6.dll",#1
  2⤵
  - Blocklisted process makes network request
  - Drops file in System32 directory
  PID:1636

memory/1636-3-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download
memory/1636-0-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download
memory/1636-5-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1636-6-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download
memory/1636-7-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download
memory/1636-8-0x00000000001F0000-0x000000000020C000-memory.dmp

Filesize
112KB

Download