zloader | 60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2

General

Target

60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2.dll
Size

172KB
MD5

4a74e2d34230bbc705f39e6943c859d3
SHA1

410c1c03a52dbd56e78b0487ec532e68eb1c64e4
SHA256

60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2
SHA512

9524e6239046f2b59210a4f7fbce554d073a9f57462c74ef5a4c009c63282e87c32e2b741d772925af0b13984304a0bc9ea0defbcb44022d1db6eebc89a81bef

Score

10^/10

zloader main 05.04.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

05.04.2020

C2

https://knalc.com/sound.php

https://namilh.com/sound.php

https://ronswank.com/sound.php

https://stagolk.com/sound.php

https://mioniough.com/sound.php

https://ergensu.com/sound.php

Attributes

build_id
33

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\Osil = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Xady\\syemgav.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 976 set thread context of 380 976 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 380 msiexec.exe
Token: SeSecurityPrivilege 380 msiexec.exe

description	pid	process	target process
PID 976 set thread context of 380	976	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	380	msiexec.exe
Token: SeSecurityPrivilege	380	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 976	1592	regsvr32.exe	regsvr32.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe
PID 976 wrote to memory of 380	976	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:976

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:380

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/380-58-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/380-57-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/380-59-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/380-61-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/976-56-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1592-55-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

Filesize
8KB

Download

Analysis

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