zloader | ce9d8545eb14f98f81526457b784ada2e37057dae2d74f625e47b4ed10549397

General

Target

ce9d8545eb14f98f81526457b784ada2e37057dae2d74f625e47b4ed10549397.dll
Size

155KB
MD5

cd57e5511bb7c0390eb83b772c84de65
SHA1

5c6e3c717dfab4b0eb3ddfa6f3062355823f2088
SHA256

ce9d8545eb14f98f81526457b784ada2e37057dae2d74f625e47b4ed10549397
SHA512

036e4ded92ed1ee28ab79dfd19116c7b86fac5c3a9ca5cc7f92f4cbd5b4a4771a6dc01af93a5b65d53a0367dd684eb52bb81a51621baa56e84cbd4007406d362

Score

10^/10

trojan botnet zloader persistence spyware

Malware Config

Signatures

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

Blacklisted process makes network request 18 IoCs

Processes:

msiexec.exe

flow	pid	process
14	3904	msiexec.exe
15	3904	msiexec.exe
16	3904	msiexec.exe
17	3904	msiexec.exe
18	3904	msiexec.exe
19	3904	msiexec.exe
20	3904	msiexec.exe
21	3904	msiexec.exe
22	3904	msiexec.exe
24	3904	msiexec.exe
25	3904	msiexec.exe
27	3904	msiexec.exe
28	3904	msiexec.exe
29	3904	msiexec.exe
31	3904	msiexec.exe
40	3904	msiexec.exe
41	3904	msiexec.exe
42	3904	msiexec.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yqpesue = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Tyumal\\anxa.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3880 set thread context of 3904 3880 rundll32.exe msiexec.exe
Discovers systems in the same network 1 TTPs 2 IoCs
discovery

Remote System Discovery
T1018

Processes:

net.exenet.exe

pid process

3668 net.exe
3352 net.exe
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

392 ipconfig.exe
Runs net.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

msiexec.exe

pid process

3904 msiexec.exe
3904 msiexec.exe
3904 msiexec.exe
3904 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3904 msiexec.exe
Token: SeSecurityPrivilege 3904 msiexec.exe

description	pid	process	target process
PID 3880 set thread context of 3904	3880	rundll32.exe	msiexec.exe

pid	process
3668	net.exe
3352	net.exe

pid	process
392	ipconfig.exe

pid	process
3904	msiexec.exe
3904	msiexec.exe
3904	msiexec.exe
3904	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3904	msiexec.exe
Token: SeSecurityPrivilege	3904	msiexec.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

rundll32.exerundll32.exemsiexec.execmd.execmd.exenet.execmd.execmd.exe

description	pid	process	target process
PID 3832 wrote to memory of 3880	3832	rundll32.exe	rundll32.exe
PID 3832 wrote to memory of 3880	3832	rundll32.exe	rundll32.exe
PID 3832 wrote to memory of 3880	3832	rundll32.exe	rundll32.exe
PID 3880 wrote to memory of 3904	3880	rundll32.exe	msiexec.exe
PID 3880 wrote to memory of 3904	3880	rundll32.exe	msiexec.exe
PID 3880 wrote to memory of 3904	3880	rundll32.exe	msiexec.exe
PID 3880 wrote to memory of 3904	3880	rundll32.exe	msiexec.exe
PID 3880 wrote to memory of 3904	3880	rundll32.exe	msiexec.exe
PID 3904 wrote to memory of 4016	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 4016	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 4016	3904	msiexec.exe	cmd.exe
PID 4016 wrote to memory of 392	4016	cmd.exe	ipconfig.exe
PID 4016 wrote to memory of 392	4016	cmd.exe	ipconfig.exe
PID 4016 wrote to memory of 392	4016	cmd.exe	ipconfig.exe
PID 3904 wrote to memory of 732	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 732	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 732	3904	msiexec.exe	cmd.exe
PID 732 wrote to memory of 2868	732	cmd.exe	net.exe
PID 732 wrote to memory of 2868	732	cmd.exe	net.exe
PID 732 wrote to memory of 2868	732	cmd.exe	net.exe
PID 2868 wrote to memory of 3044	2868	net.exe	net1.exe
PID 2868 wrote to memory of 3044	2868	net.exe	net1.exe
PID 2868 wrote to memory of 3044	2868	net.exe	net1.exe
PID 3904 wrote to memory of 3664	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 3664	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 3664	3904	msiexec.exe	cmd.exe
PID 3664 wrote to memory of 3668	3664	cmd.exe	net.exe
PID 3664 wrote to memory of 3668	3664	cmd.exe	net.exe
PID 3664 wrote to memory of 3668	3664	cmd.exe	net.exe
PID 3904 wrote to memory of 3920	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 3920	3904	msiexec.exe	cmd.exe
PID 3904 wrote to memory of 3920	3904	msiexec.exe	cmd.exe
PID 3920 wrote to memory of 3352	3920	cmd.exe	net.exe
PID 3920 wrote to memory of 3352	3920	cmd.exe	net.exe
PID 3920 wrote to memory of 3352	3920	cmd.exe	net.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce9d8545eb14f98f81526457b784ada2e37057dae2d74f625e47b4ed10549397.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce9d8545eb14f98f81526457b784ada2e37057dae2d74f625e47b4ed10549397.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blacklisted process makes network request
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3904
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ipconfig /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4016
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig /all
        5⤵
        Gathers network information
        
        PID:392
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net config workstation
      4⤵
      Suspicious use of WriteProcessMemory
      PID:732
    - - C:\Windows\SysWOW64\net.exe
        
        net config workstation
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2868
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 config workstation
        6⤵
        
        PID:3044
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3664
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all
        5⤵
        Discovers systems in the same network
        
        PID:3668
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all /domain
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3920
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all /domain
        5⤵
        Discovers systems in the same network
        
        PID:3352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/392-5-0x0000000000000000-mapping.dmp

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memory/732-6-0x0000000000000000-mapping.dmp

Download
memory/2868-7-0x0000000000000000-mapping.dmp

Download
memory/3044-8-0x0000000000000000-mapping.dmp

Download
memory/3352-12-0x0000000000000000-mapping.dmp

Download
memory/3664-9-0x0000000000000000-mapping.dmp

Download
memory/3668-10-0x0000000000000000-mapping.dmp

Download
memory/3880-0-0x0000000000000000-mapping.dmp

Download
memory/3904-1-0x0000000000F80000-0x0000000000FAC000-memory.dmp

Filesize
176KB

Download
memory/3904-2-0x0000000000000000-mapping.dmp

Download
memory/3920-11-0x0000000000000000-mapping.dmp

Download
memory/4016-3-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads