zloader | 42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2

Resubmissions

31-01-2024 21:42

240131-1ktpsadab6 10

24-01-2024 07:47

240124-jml92sdcd6 10

23-01-2024 11:54

240123-n25r6ahhfk 10

24-06-2020 13:36

200624-enc457kzrj 10

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
MD5

a004bc8b4f3db1ef5a66579b9746b5b1
SHA1

88a5fcebfd7a037a9ca9573772ac2334a61b25de
SHA256

42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2
SHA512

28aed111b2ecea90c2da03871f36272b8680d392c245fdf0e2f4d4454974a3a51d6744133cecfc2576bbc778742f9b824e8355026b53d029d13ff79bb2136f9b
SSDEEP

6144:kQ0fpRug1NzpAhY2Zgi1ny2YT2oqCesyc+V6pDDW3FdREH5gH+xWz1:kQ0Rsg58Yti9y2voysiVmO3BlH+W

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

Filesize
172KB

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

Filesize
172KB

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

Filesize
172KB

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

Filesize
172KB

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

Filesize
15.4MB

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

Filesize
15.4MB

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

Filesize
4KB

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

Filesize
15.4MB

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

Filesize
15.4MB

Download