zloader | ec602e8263aec44b7cc4fbf930e5bc9affdc8232e9dd84a86e01198a349a827a

General

Target

ec602e8263aec44b7cc4fbf930e5bc9affdc8232e9dd84a86e01198a349a827a.dll
Size

170KB
MD5

0892f2d684b734d64517348a4df16964
SHA1

b2e6c4a27dec2c67197560c8f2b82d6e119406a3
SHA256

ec602e8263aec44b7cc4fbf930e5bc9affdc8232e9dd84a86e01198a349a827a
SHA512

2bcbc000057d62fc59e8b902b91a5b4456b816cd93464e3b0b288f092336f63e4086f88734fde792b850e524c600b7d361c42c04946e4bdb5f61406e172e707f

Score

10^/10

zloader 10/03 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

10/03

C2

https://dhteijwrb.host/milagrecf.php

https://aquolepp.pw/milagrecf.php

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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vyupfod = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Udavs\\ozfit.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1924 set thread context of 1252 1924 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1252 msiexec.exe
Token: SeSecurityPrivilege 1252 msiexec.exe

description	pid	process	target process
PID 1924 set thread context of 1252	1924	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1252	msiexec.exe
Token: SeSecurityPrivilege	1252	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1924	744	regsvr32.exe	regsvr32.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe
PID 1924 wrote to memory of 1252	1924	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ec602e8263aec44b7cc4fbf930e5bc9affdc8232e9dd84a86e01198a349a827a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\ec602e8263aec44b7cc4fbf930e5bc9affdc8232e9dd84a86e01198a349a827a.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1252

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/1252-2-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/1252-1-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download
memory/1252-3-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download
memory/1252-4-0x0000000000000000-mapping.dmp

Download
memory/1924-0-0x0000000000000000-mapping.dmp

Download

Analysis

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