zloader | e38c9a5d62aec8a807336ef40668f82a9bf764a8102fe464ee7f82041e007bee

General

Target

ungulate.dll
Size

284KB
MD5

2881d2ca3bcf68dbbe2c3190a193dddc
SHA1

fc249ddc69222e5f62a6113211b20f5f21b5c2ab
SHA256

e38c9a5d62aec8a807336ef40668f82a9bf764a8102fe464ee7f82041e007bee
SHA512

9b79fd41012121a52f2762f24bf05489d6be18b1240899bd8abc43ae92a4f37160ccdb736cec3ca138fba6b315680b6ef9822ff998b090256fc6323fd9372743

Score

10^/10

trojan botnet zloader persistence

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

2020-07-06

C2

https://giridly.com/web/data

https://pleclep.com/web/data

https://phanleb.com/web/data

https://zonculet.com/web/data

https://dweandro.com/web/data

https://sweleger.com/web/data

https://cromecho.com/web/data

https://wunchilm.com/web/data

https://odoncrol.com/web/data

rc4.plain

rsa_pubkey.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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hiquaw = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Unyski\\atga.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1300 set thread context of 1696 1300 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1696 msiexec.exe
Token: SeSecurityPrivilege 1696 msiexec.exe

description	pid	process	target process
PID 1300 set thread context of 1696	1300	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1696	msiexec.exe
Token: SeSecurityPrivilege	1696	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1196 wrote to memory of 1300	1196	rundll32.exe	rundll32.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe
PID 1300 wrote to memory of 1696	1300	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ungulate.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ungulate.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1300

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1696

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

Loading Replay Monitor...

Downloads

memory/1300-0-0x0000000000000000-mapping.dmp

Download
memory/1696-1-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1696-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1696-3-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1696-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing