zloader | 31cf42b2a7c5c558f44cfc67684cc344c17d4946d3a1e0b2cecb8eb58173cb2f

Analysis

max time kernel
120s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2022 19:28

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General

Target

invest_20.dll
Size

453KB
MD5

c9affd7934e4d9b4dec4c40b2a71a381
SHA1

aac940f9906034938cd657ed2ba21bc675e6ae20
SHA256

31cf42b2a7c5c558f44cfc67684cc344c17d4946d3a1e0b2cecb8eb58173cb2f
SHA512

82d18e7815ed38c07ca0b6ec82cb2e30451d0e02a9cd761e1d55d6f05955fac3df303d96bac89dea6dfa3b90def945ca413ae9854dd7b24fbcc18e6c6040f18a
SSDEEP

6144:JWm73CWN0OejuX3VR4YCrqGro3O32YHFhIaA1fjYDr1qhHkmviFJf0:JKGK6Vtiq0UOdFhqLYwP2Jf0

Score

10^/10

zloader goldhub 01.04.20 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

goldhub

Campaign

01.04.20

https://105711.com/docs.php

https://209711.com/process.php

https://106311.com/comegetsome.php

https://124331.com/success.php

Attributes

build_id
42

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yfkiri = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Gybyo\\xuodir.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 1392	2220	rundll32.exe	85

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1392	msiexec.exe
Token: SeSecurityPrivilege	1392	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2220	1952	rundll32.exe	82
PID 1952 wrote to memory of 2220	1952	rundll32.exe	82
PID 1952 wrote to memory of 2220	1952	rundll32.exe	82
PID 2220 wrote to memory of 1392	2220	rundll32.exe	85
PID 2220 wrote to memory of 1392	2220	rundll32.exe	85
PID 2220 wrote to memory of 1392	2220	rundll32.exe	85
PID 2220 wrote to memory of 1392	2220	rundll32.exe	85
PID 2220 wrote to memory of 1392	2220	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\invest_20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\invest_20.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1392-137-0x0000000001220000-0x0000000001250000-memory.dmp

Filesize
192KB

Download
memory/1392-139-0x0000000001220000-0x0000000001250000-memory.dmp

Filesize
192KB

Download
memory/1392-140-0x0000000001220000-0x0000000001250000-memory.dmp

Filesize
192KB

Download
memory/2220-133-0x0000000074DB0000-0x0000000074DE0000-memory.dmp

Filesize
192KB

Download
memory/2220-134-0x0000000074DB0000-0x0000000074E3C000-memory.dmp

Filesize
560KB

Download
memory/2220-135-0x0000000074DB0000-0x0000000074E3C000-memory.dmp

Filesize
560KB

Download
memory/2220-138-0x0000000074DB0000-0x0000000074E3C000-memory.dmp

Filesize
560KB

Download