zloader | b8cef342a47915615a35aab7333567db7c86570d4d3362470e19b6d0b3dab1af

Resubmissions

23-01-2024 11:21

240123-nf6gkaaea6 10

01-07-2020 07:49

200701-87235lf94e 10

Analysis

max time kernel
1169s
max time network
1172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2024 11:21

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General

Target

june30.dll
Size

607KB
MD5

086e1c7401f82543d162ebaef816ef35
SHA1

25fbe1ef6ed713011a02cd6fc930105d4f612130
SHA256

b8cef342a47915615a35aab7333567db7c86570d4d3362470e19b6d0b3dab1af
SHA512

be9bd937ef926cab65ada2f4103642993ae1428fa6b9a83f9824cc4f10cb07354954fa948a5d9b2c83ac79f7ac04269d9fb3ac8f21e46c53fdb2b4dd39c726f7
SSDEEP

12288:p+gJA98D0ogyQT7x1wn6UIxsuAmHdbL69ZqQB02iMQ/t:pu8DRgHLC6UyzZWJB02iMQ/

Score

10^/10

zloader june29 june botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

june29

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
11

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 3908 set thread context of 4936	3908	rundll32.exe	98

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4936	msiexec.exe
Token: SeSecurityPrivilege	4936	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3908	548	rundll32.exe	86
PID 548 wrote to memory of 3908	548	rundll32.exe	86
PID 548 wrote to memory of 3908	548	rundll32.exe	86
PID 3908 wrote to memory of 4936	3908	rundll32.exe	98
PID 3908 wrote to memory of 4936	3908	rundll32.exe	98
PID 3908 wrote to memory of 4936	3908	rundll32.exe	98
PID 3908 wrote to memory of 4936	3908	rundll32.exe	98
PID 3908 wrote to memory of 4936	3908	rundll32.exe	98

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\june30.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\june30.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3908
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3908-0-0x0000000075280000-0x000000007533B000-memory.dmp

Filesize
748KB

Download
memory/3908-1-0x0000000075280000-0x000000007533B000-memory.dmp

Filesize
748KB

Download
memory/3908-2-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/3908-7-0x0000000075280000-0x000000007533B000-memory.dmp

Filesize
748KB

Download
memory/4936-6-0x0000000000EB0000-0x0000000000EDB000-memory.dmp

Filesize
172KB

Download
memory/4936-9-0x0000000000EB0000-0x0000000000EDB000-memory.dmp

Filesize
172KB

Download