zloader | da164dc8c1baf31539335b6a14ca2f14cc0f8a4a39523479290437d0810b82e3

General

Target

da164dc8c1baf31539335b6a14ca2f14cc0f8a4a39523479290437d0810b82e3.dll
Size

788KB
MD5

25c4f6ec3f18c71bf9639746b8fe9567
SHA1

9ff48900feed1f2433b3ef1610a5fc2b438152de
SHA256

da164dc8c1baf31539335b6a14ca2f14cc0f8a4a39523479290437d0810b82e3
SHA512

35120b078971e74f473d19fc5f65bd4fe925ff05a00dac080b6a98ceeb1409ce6e2b6757d282559f21fe24e9ee8c95e90a5289e30602ab88203cd0432827637e

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\Meuvigp = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Ryorur\\olerdo.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 836 set thread context of 1216 836 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1216 msiexec.exe
Token: SeSecurityPrivilege 1216 msiexec.exe

description	pid	process	target process
PID 836 set thread context of 1216	836	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1216	msiexec.exe
Token: SeSecurityPrivilege	1216	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 836	1620	rundll32.exe	rundll32.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe
PID 836 wrote to memory of 1216	836	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da164dc8c1baf31539335b6a14ca2f14cc0f8a4a39523479290437d0810b82e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da164dc8c1baf31539335b6a14ca2f14cc0f8a4a39523479290437d0810b82e3.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1216

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/836-55-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/836-56-0x00000000001C0000-0x000000000020D000-memory.dmp

Filesize
308KB

Download
memory/836-57-0x0000000010000000-0x00000000100C7000-memory.dmp

Filesize
796KB

Download
memory/1216-59-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1216-58-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1216-60-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1216-62-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download

Analysis

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