zloader | 2cefb03b68c5489c2abdde9993aa85d8465a26ce9ddb78849ee5e198103fdf6a

General

Target

2cefb03b68c5489c2abdde9993aa85d8465a26ce9ddb78849ee5e198103fdf6a.dll
Size

471KB
MD5

ff8c1a8415c476056ee409fc2e36f815
SHA1

fad5bd02642a99e165ff01eb88fc5d8250646e4e
SHA256

2cefb03b68c5489c2abdde9993aa85d8465a26ce9ddb78849ee5e198103fdf6a
SHA512

dc50aefe6ac43ac81bbc802d8c4194b9c3d444a7a536f850692b5a1e5cba99767cfa524772f8c7142fe2d394392b3eef003b3a32b0038383a1c22a51a7d93c5a

Score

10^/10

zloader main 25.03.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

25.03.2020

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

Attributes

build_id
28

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1520 set thread context of 916 1520 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 916 msiexec.exe
Token: SeSecurityPrivilege 916 msiexec.exe

description	pid	process	target process
PID 1520 set thread context of 916	1520	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	916	msiexec.exe
Token: SeSecurityPrivilege	916	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 1520	956	rundll32.exe	rundll32.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe
PID 1520 wrote to memory of 916	1520	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cefb03b68c5489c2abdde9993aa85d8465a26ce9ddb78849ee5e198103fdf6a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cefb03b68c5489c2abdde9993aa85d8465a26ce9ddb78849ee5e198103fdf6a.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:916

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/916-60-0x00000000000D0000-0x0000000000101000-memory.dmp

Filesize
196KB

Download
memory/916-59-0x00000000000D0000-0x0000000000100000-memory.dmp

Filesize
192KB

Download
memory/916-61-0x00000000000D0000-0x0000000000101000-memory.dmp

Filesize
196KB

Download
memory/916-63-0x00000000000D0000-0x0000000000100000-memory.dmp

Filesize
192KB

Download
memory/1520-55-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

Download
memory/1520-57-0x0000000075160000-0x00000000751F8000-memory.dmp

Filesize
608KB

Download
memory/1520-56-0x0000000075160000-0x0000000075190000-memory.dmp

Filesize
192KB

Download
memory/1520-58-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download

Analysis

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