zloader | 1423053f90855d33858db47f354055b660943104c1c18f848c9b7b415979dc5f

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Analysis

max time kernel
1467s
max time network
1486s
platform
windows10_x64
resource
win10v20201028
submitted
19-11-2020 13:14

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Report Analysis Logs

General

Target

95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9.dll

Score

10^/10

zloader 25/03 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

25/03

https://wgyvjbse.pw/milagrecf.php

https://botiq.xyz/milagrecf.php

rc4.plain

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description	pid	Process	procid_target
PID 744 created 2728	744	WerFault.exe	79

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

Processes:

regsvr32.exe

description	pid	Process	procid_target
PID 2176 set thread context of 2728	2176	regsvr32.exe	79

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
744	2728	WerFault.exe	79

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	Process
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description	pid	Process
Token: SeRestorePrivilege	744	WerFault.exe
Token: SeBackupPrivilege	744	WerFault.exe
Token: SeDebugPrivilege	744	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	Process	procid_target
PID 648 wrote to memory of 2176	648	regsvr32.exe	73
PID 648 wrote to memory of 2176	648	regsvr32.exe	73
PID 648 wrote to memory of 2176	648	regsvr32.exe	73
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	79
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	79
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	79
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	79
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9.dll
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    PID:2728
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 164
      4⤵
      Suspicious use of NtCreateProcessExOtherParentProcess
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:744

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/744-3-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/744-6-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/2176-0-0x0000000000000000-mapping.dmp

Download
memory/2728-1-0x0000000000850000-0x000000000087E000-memory.dmp

Filesize
184KB

Download
memory/2728-2-0x0000000000000000-mapping.dmp

Download
memory/2728-5-0x0000000000000000-mapping.dmp

Download
memory/2728-4-0x0000000000000000-mapping.dmp

Download