zloader | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

01/03/2025, 18:58

250301-xmhhrayp15 10

Analysis

max time kernel
598s
max time network
604s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
04/12/2024, 11:35

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General

Target

june9.dll
Size

491KB
MD5

f8a7273ef763776e5612ac1f47f6d405
SHA1

c51f2a884c024e442c1ae0d9bf9511c96a1fa02c
SHA256

c653365657fbf65429ad845d0a0d93106e972aca929739560ff4b4796bd2be08
SHA512

5ea060662350237d38d2c6a3c1da5fd7aeec6c05e71cdbb2725fcac47ad8e5c9568adc937329397108ab0cecdf29e9a811ab7e183884dd3044d7c5a6089f88aa
SSDEEP

12288:uDKxKMk8ChMNo+e8kGOK9ab4ozUWdBENcYcj6D9r6W3FaOi:uDjMk8IMNYnGOSSjgW41QEv1aO

Score

10^/10

zloader june08 june botnet discovery trojan

Malware Config

Extracted

Family

zloader

Botnet

June08

Campaign

June

http://snnmnkxdhflwgthqismb.com/post.php

http://nlbmfsyplohyaicmxhum.com/post.php

Attributes

build_id
149

rc4.plain

rsa_pubkey.plain

Signatures

Zloader family
zloader
Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	2964	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1200 set thread context of 2964	1200	rundll32.exe	78

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2964	msiexec.exe
Token: SeSecurityPrivilege	2964	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1200	1500	rundll32.exe	77
PID 1500 wrote to memory of 1200	1500	rundll32.exe	77
PID 1500 wrote to memory of 1200	1500	rundll32.exe	77
PID 1200 wrote to memory of 2964	1200	rundll32.exe	78
PID 1200 wrote to memory of 2964	1200	rundll32.exe	78
PID 1200 wrote to memory of 2964	1200	rundll32.exe	78
PID 1200 wrote to memory of 2964	1200	rundll32.exe	78
PID 1200 wrote to memory of 2964	1200	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\june9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\june9.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-0-0x0000000074EFF000-0x0000000074F02000-memory.dmp

Filesize
12KB

Download
memory/1200-1-0x0000000074EB0000-0x0000000074F31000-memory.dmp

Filesize
516KB

Download
memory/1200-2-0x0000000074EB0000-0x0000000074F31000-memory.dmp

Filesize
516KB

Download
memory/1200-3-0x0000000074EB0000-0x0000000074F31000-memory.dmp

Filesize
516KB

Download
memory/1200-4-0x0000000074EFF000-0x0000000074F02000-memory.dmp

Filesize
12KB

Download
memory/1200-8-0x0000000074EB0000-0x0000000074F31000-memory.dmp

Filesize
516KB

Download
memory/2964-6-0x0000000001280000-0x00000000012AB000-memory.dmp

Filesize
172KB

Download
memory/2964-10-0x0000000001280000-0x00000000012AB000-memory.dmp

Filesize
172KB

Download