zloader | 1423053f90855d33858db47f354055b660943104c1c18f848c9b7b415979dc5f

Resubmissions

22-11-2023 17:02

231122-vkac9adg64 10

19-01-2021 19:24

210119-s26yznnqsn 10

19-11-2020 13:14

201119-s41ec6lt86 10

Analysis

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

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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 target process

PID 744 created 2728 744 WerFault.exe msiexec.exe
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 target process

PID 2176 set thread context of 2728 2176 regsvr32.exe msiexec.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

744 2728 WerFault.exe msiexec.exe

description	pid	process	target process
PID 744 created 2728	744	WerFault.exe	msiexec.exe

description	pid	process	target process
PID 2176 set thread context of 2728	2176	regsvr32.exe	msiexec.exe

pid	pid_target	process	target process
744	2728	WerFault.exe	msiexec.exe

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

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	target process
PID 648 wrote to memory of 2176	648	regsvr32.exe	regsvr32.exe
PID 648 wrote to memory of 2176	648	regsvr32.exe	regsvr32.exe
PID 648 wrote to memory of 2176	648	regsvr32.exe	regsvr32.exe
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	msiexec.exe
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	msiexec.exe
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	msiexec.exe
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	msiexec.exe
PID 2176 wrote to memory of 2728	2176	regsvr32.exe	msiexec.exe

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

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