zloader | deac9f705c6ddd2795f31b9d55ace3f3de1e20de314b0c20f1a2e90fdf259cb2

Analysis

Target
yfuvqe.dll
Size 389KB
Sample200812-2qdn69qtce
SHA256 deac9f705c6ddd2795f31b9d55ace3f3de1e20de314b0c20f1a2e90fdf259cb2
MD5 93c0cd9a47c5c28335e773c1f451f200
SHA1 0c53b71e52a382f2a920df2d80048b01616c62c4
SHA512 cf6ae7d6b2ecbb3cbfbd99c067dd7b7b94572991aee00d00fb423acce9edd234a8662e00943873dcbf0931115871356ab57191f8be3b9041a779ce2b02a39223
MD5 SHA1 SHA512

Score

10^/10

Family

Botnet

Campaign

rc4.plain

rsa_pubkey.plain

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 724 created 3068	724	rundll32.exe	56

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 724 set thread context of 3556	724	rundll32.exe	73

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
724	rundll32.exe
724	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 724	648	rundll32.exe	66
PID 648 wrote to memory of 724	648	rundll32.exe	66
PID 648 wrote to memory of 724	648	rundll32.exe	66
PID 724 wrote to memory of 3556	724	rundll32.exe	73
PID 724 wrote to memory of 3556	724	rundll32.exe	73
PID 724 wrote to memory of 3556	724	rundll32.exe	73
PID 724 wrote to memory of 3556	724	rundll32.exe	73
PID 724 wrote to memory of 3556	724	rundll32.exe	73

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3068
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\yfuvqe.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\yfuvqe.dll,#1
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:724
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3556

memory/3556-1-0x0000000000740000-0x000000000076D000-memory.dmp

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