zloader | 53ebd97f9bf818a3641f51fc3bc0aa2c593b579c492eebf3b2f0df918c160f55

Analysis

max time kernel
482s
max time network
485s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2022, 06:35

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General

Target
53ebd97f9bf818a3641f51fc3bc0aa2c593b579c492eebf3b2f0df918c160f55_unpacked.dll
Size 164KB
Sample221027-hcksssbcd9
SHA256 53ebd97f9bf818a3641f51fc3bc0aa2c593b579c492eebf3b2f0df918c160f55
MD5 e14ce3b322918b56b575b696ecae6d2d
SHA1 11fb2a04daf206b23a3a04fb8899a79d6a48293a
SHA512 6c95840b00d192bddf0405eb0ee39ddfa036e3d94d3bbbc4f555577a7eaa10c0325b218b7447d3cf0481b3633242e7dca7edae2bd4b802d2309571f932d534c1
SSDEEP 3072:5FikTL2T/64bzow4tZ8C5HozTSDtIQR4EIPFlm4K/cIND73CAHP:2TRzoLZ8mHoOtIykFA4KRVCAH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

zloader kev 08/02 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

Campaign

08/02

https://earfetti.com/post.php
https://evalynews.com/post.php
https://zeistatwalk.tk/post.php
https://spiraninendreamneu.tk/post.php

Attributes

build_id
332

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 5020 set thread context of 4892	5020	rundll32.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2200	4892	WerFault.exe	86

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 5020	4956	rundll32.exe	81
PID 4956 wrote to memory of 5020	4956	rundll32.exe	81
PID 4956 wrote to memory of 5020	4956	rundll32.exe	81
PID 5020 wrote to memory of 4892	5020	rundll32.exe	86
PID 5020 wrote to memory of 4892	5020	rundll32.exe	86
PID 5020 wrote to memory of 4892	5020	rundll32.exe	86
PID 5020 wrote to memory of 4892	5020	rundll32.exe	86
PID 5020 wrote to memory of 4892	5020	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\53ebd97f9bf818a3641f51fc3bc0aa2c593b579c492eebf3b2f0df918c160f55_unpacked.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\53ebd97f9bf818a3641f51fc3bc0aa2c593b579c492eebf3b2f0df918c160f55_unpacked.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    PID:4892
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 576
      4⤵
      Program crash
      PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4892 -ip 4892
1⤵
PID:4772

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4892-134-0x0000000000630000-0x0000000000659000-memory.dmp

Download

memory/4892-135-0x0000000000630000-0x0000000000659000-memory.dmp