zloader | 0889271c721391d625a19391275f0e6bf244a5548a1a6eb673c6e16a48e960e1

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 02:56

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General

Target

0889271c721391d625a19391275f0e6bf244a5548a1a6eb673c6e16a48e960e1.dll
Size

170KB
MD5

7339d426a3968dbfcd9f1f6043f2d91f
SHA1

af40aa784ab77899200410ea45809cac3db909a0
SHA256

0889271c721391d625a19391275f0e6bf244a5548a1a6eb673c6e16a48e960e1
SHA512

04ec77928e5a4b62bf75a4613ba105e43a2a58458cb8d07a32055014987b14f0c8b5e72d48ca664c5efbc34270b549a9ca08e7b36487a6c574feacc920b83bfa
SSDEEP

3072:CM6/5WHoRkeQilLJWs+XSpo66ftDdgf6Q7e7Ca4vR1ECBLMK9pb6r9BhMTvPhbQn:kYHriRJeeo6st9Ae7HI1iKHUnudrW

Score

10^/10

zloader 10/03 botnet discovery persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

10/03

https://dhteijwrb.host/milagrecf.php

https://aquolepp.pw/milagrecf.php

Attributes

build_id
83

rc4.plain

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Lauq = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Riev\\ycbo.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 2716 set thread context of 2836 2716 regsvr32.exe msiexec.exe

description	pid	process	target process
PID 2716 set thread context of 2836	2716	regsvr32.exe	msiexec.exe

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

Processes:

regsvr32.exemsiexec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 2836 msiexec.exe
Token: SeSecurityPrivilege 2836 msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	2836	msiexec.exe
Token: SeSecurityPrivilege	2836	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2824 wrote to memory of 2716	2824	regsvr32.exe	regsvr32.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe
PID 2716 wrote to memory of 2836	2716	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0889271c721391d625a19391275f0e6bf244a5548a1a6eb673c6e16a48e960e1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0889271c721391d625a19391275f0e6bf244a5548a1a6eb673c6e16a48e960e1.dll
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2836-2-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2836-0-0x0000000000120000-0x0000000000150000-memory.dmp

Filesize
192KB

Download
memory/2836-4-0x0000000000120000-0x0000000000150000-memory.dmp

Filesize
192KB

Download
memory/2836-5-0x0000000000120000-0x0000000000150000-memory.dmp

Filesize
192KB

Download
memory/2836-7-0x0000000000120000-0x0000000000150000-memory.dmp

Filesize
192KB

Download