zloader | 4ca3ae0f9b573739e66192f15aade1cf3d409ef133a7b6834ad4e387dea498a5

General

Target

4ca3ae0f9b573739e66192f15aade1cf3d409ef133a7b6834ad4e387dea498a5.dll
Size

334KB
MD5

500854618bda05096da0a2d244de4e43
SHA1

ec5338822efc141c24c54a6718fb73cfe166a61d
SHA256

4ca3ae0f9b573739e66192f15aade1cf3d409ef133a7b6834ad4e387dea498a5
SHA512

3dbca6e5792c70485b49238329986b7f04d48ea1171b4d57d1305e617c089c838dcba75f7344eab48dffcd06629b6f14523989e504f90e20225839659ab83226

Score

10^/10

zloader main 27.03.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

27.03.2020

C2

https://hustlertest.com/sound.php

https://dandycodes.com/sound.php

https://sandyfotos.com/sound.php

https://postgringos.com/sound.php

https://tetraslims.com/sound.php

https://greenrumba.com/sound.php

https://starterdatas.com/sound.php

https://nexycombats.com/sound.php

https://peermems.com/sound.php

https://fotonums.com/sound.php

Attributes

build_id
29

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

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wyinl = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Vipy\\weqy.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1480 set thread context of 1032 1480 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1032 msiexec.exe
Token: SeSecurityPrivilege 1032 msiexec.exe

description	pid	process	target process
PID 1480 set thread context of 1032	1480	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1032	msiexec.exe
Token: SeSecurityPrivilege	1032	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1984 wrote to memory of 1480	1984	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe
PID 1480 wrote to memory of 1032	1480	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ca3ae0f9b573739e66192f15aade1cf3d409ef133a7b6834ad4e387dea498a5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ca3ae0f9b573739e66192f15aade1cf3d409ef133a7b6834ad4e387dea498a5.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1032

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1032-60-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1032-59-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1032-61-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1032-63-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1480-55-0x0000000074B21000-0x0000000074B23000-memory.dmp

Filesize
8KB

Download
memory/1480-57-0x0000000074540000-0x00000000745B1000-memory.dmp

Filesize
452KB

Download
memory/1480-56-0x0000000074540000-0x0000000074570000-memory.dmp

Filesize
192KB

Download
memory/1480-58-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download

Analysis

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