zloader | fe6778684fe56f143efd0bfae3e127f0c615f11d47e302e68a9eb1f83f7a6511

General

Target

fe6778684fe56f143efd0bfae3e127f0c615f11d47e302e68a9eb1f83f7a6511.dll
Size

939KB
MD5

00a2dd02c0173b91704855771eab9096
SHA1

2b1fe5a12b28bb953e5481f01945e629e741d64f
SHA256

fe6778684fe56f143efd0bfae3e127f0c615f11d47e302e68a9eb1f83f7a6511
SHA512

4898037aa9a2c5b326ece783a9760001014f196b08100cabaf524a36f0cc8b588f8f1eefca0ce2dbadf35837904fa3b20c93109d4c7afd62509b8be0e555d795

Score

10^/10

zloader main 15.03.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

15.03.2020

C2

https://postxer.com/sound.php

https://banssa.org/sound.php

https://calul.org/sound.php

https://evahs.org/sound.php

https://invesund.org/sound.php

https://unwer.org/sound.php

https://watae.org/sound.php

Attributes

build_id
23

rc4.plain

Signatures

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fyhilauf = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Mihifo\\zuloizw.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 964	1920	rundll32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	964	msiexec.exe
Token: SeSecurityPrivilege	964	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 740 wrote to memory of 1920	740	rundll32.exe	27
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30
PID 1920 wrote to memory of 964	1920	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe6778684fe56f143efd0bfae3e127f0c615f11d47e302e68a9eb1f83f7a6511.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe6778684fe56f143efd0bfae3e127f0c615f11d47e302e68a9eb1f83f7a6511.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/964-58-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/964-57-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/964-59-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/964-61-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1920-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1920-55-0x0000000000140000-0x000000000018B000-memory.dmp

Filesize
300KB

Download
memory/1920-56-0x0000000010000000-0x00000000100F0000-memory.dmp

Filesize
960KB

Download

Analysis

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