zloader | 42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2

Resubmissions

31/01/2024, 21:42

240131-1ktpsadab610

24/01/2024, 07:47

240124-jml92sdcd610

23/01/2024, 11:54

240123-n25r6ahhfk10

24/06/2020, 13:36

200624-enc457kzrj10

Analysis

max time kernel
1135s
max time network
1143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 07:47

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General

Target
A004BC8B4F3DB1EF5A66579B9746B5B1.dll
Size 424KB
Sample240124-jml92sdcd6
SHA256 42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2
MD5 a004bc8b4f3db1ef5a66579b9746b5b1
SHA1 88a5fcebfd7a037a9ca9573772ac2334a61b25de
SHA512 28aed111b2ecea90c2da03871f36272b8680d392c245fdf0e2f4d4454974a3a51d6744133cecfc2576bbc778742f9b824e8355026b53d029d13ff79bb2136f9b
SSDEEP 6144:kQ0fpRug1NzpAhY2Zgi1ny2YT2oqCesyc+V6pDDW3FdREH5gH+xWz1:kQ0Rsg58Yti9y2voysiVmO3BlH+W
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

zloader june18newret june botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

June18newret

Campaign

June

http://snnmnkxdhflwgthqismb.com/web/post.php
http://nlbmfsyplohyaicmxhum.com/web/post.php
http://softwareserviceupdater1.com/web/post.php
http://softwareserviceupdater2.com/web/post.php

Attributes

build_id
3

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3500 set thread context of 1204	3500	rundll32.exe	98

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1204	msiexec.exe
Token: SeSecurityPrivilege	1204	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 3500	5076	rundll32.exe	87
PID 5076 wrote to memory of 3500	5076	rundll32.exe	87
PID 5076 wrote to memory of 3500	5076	rundll32.exe	87
PID 3500 wrote to memory of 1204	3500	rundll32.exe	98
PID 3500 wrote to memory of 1204	3500	rundll32.exe	98
PID 3500 wrote to memory of 1204	3500	rundll32.exe	98
PID 3500 wrote to memory of 1204	3500	rundll32.exe	98
PID 3500 wrote to memory of 1204	3500	rundll32.exe	98

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\A004BC8B4F3DB1EF5A66579B9746B5B1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\A004BC8B4F3DB1EF5A66579B9746B5B1.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3500
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1204

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1204-9-0x0000000001250000-0x000000000127B000-memory.dmp

Download

memory/1204-12-0x0000000001250000-0x000000000127B000-memory.dmp

Download

memory/1204-14-0x0000000001250000-0x000000000127B000-memory.dmp

Download

memory/1204-15-0x0000000001250000-0x000000000127B000-memory.dmp

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memory/3500-0-0x0000000010000000-0x0000000010F72000-memory.dmp

Download

memory/3500-1-0x0000000010000000-0x0000000010F72000-memory.dmp

Download

memory/3500-2-0x0000000001200000-0x0000000001201000-memory.dmp

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memory/3500-3-0x0000000010000000-0x0000000010F72000-memory.dmp

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memory/3500-10-0x0000000010000000-0x0000000010F72000-memory.dmp

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Resubmissions

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads