zloader | 511dab2388e7a98cc70a8e6abbfe3c47f170c9fc616941a2c05c08b1fc449ef1

Analysis

max time kernel
107s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2022 07:12

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General

Target

511dab2388e7a98cc70a8e6abbfe3c47f170c9fc616941a2c05c08b1fc449ef1.dll
Size

372KB
MD5

70e58943ac83f5d6467e5e173ec66b28
SHA1

ab2dd9bb32849fcb4c8be3ca8277c7e3bd89b941
SHA256

511dab2388e7a98cc70a8e6abbfe3c47f170c9fc616941a2c05c08b1fc449ef1
SHA512

a13926885a211f814a8c3d19f4feda64c73876c1e04e93bd2fffa6ae6e03f100ea415743e8c23810f6402ae3f8d73adb3003defbc12d409656b395c3ebc7a913
SSDEEP

6144:tZ9hTPbmQmla02F8iU+7831GRHLjA8rWHzSOcwNTn:XDPb8002F8iU+43ERrjjrCnNz

Score

10^/10

zloader main 10.02.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

10.02.2020

https://fibulu.org/sound.php

https://tarynak.org/sound.php

Attributes

build_id
6

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Icedubi = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Bugo\\ucif.dll,DllRegisterServer"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 4664	4948	rundll32.exe	88

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4664	msiexec.exe
Token: SeSecurityPrivilege	4664	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 4948	2264	rundll32.exe	80
PID 2264 wrote to memory of 4948	2264	rundll32.exe	80
PID 2264 wrote to memory of 4948	2264	rundll32.exe	80
PID 4948 wrote to memory of 4664	4948	rundll32.exe	88
PID 4948 wrote to memory of 4664	4948	rundll32.exe	88
PID 4948 wrote to memory of 4664	4948	rundll32.exe	88
PID 4948 wrote to memory of 4664	4948	rundll32.exe	88
PID 4948 wrote to memory of 4664	4948	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\511dab2388e7a98cc70a8e6abbfe3c47f170c9fc616941a2c05c08b1fc449ef1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\511dab2388e7a98cc70a8e6abbfe3c47f170c9fc616941a2c05c08b1fc449ef1.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:4664

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/4664-137-0x0000000000980000-0x00000000009A6000-memory.dmp

Filesize
152KB

Download
memory/4664-138-0x0000000000980000-0x00000000009A6000-memory.dmp

Filesize
152KB

Download
memory/4664-139-0x0000000000980000-0x00000000009A6000-memory.dmp

Filesize
152KB

Download
memory/4948-133-0x0000000075430000-0x000000007548F000-memory.dmp

Filesize
380KB

Download
memory/4948-135-0x0000000000AB0000-0x0000000000AB8000-memory.dmp

Filesize
32KB

Download