zloader | b8cef342a47915615a35aab7333567db7c86570d4d3362470e19b6d0b3dab1af

Resubmissions

23-01-2024 11:21

240123-nf6gkaaea6 10

01-07-2020 07:49

200701-87235lf94e 10

Analysis

max time kernel
150s
max time network
148s
platform
windows10_x64
resource
win10v200430
submitted
01-07-2020 07:49

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General

Target

june30.dll
Size

607KB
MD5

086e1c7401f82543d162ebaef816ef35
SHA1

25fbe1ef6ed713011a02cd6fc930105d4f612130
SHA256

b8cef342a47915615a35aab7333567db7c86570d4d3362470e19b6d0b3dab1af
SHA512

be9bd937ef926cab65ada2f4103642993ae1428fa6b9a83f9824cc4f10cb07354954fa948a5d9b2c83ac79f7ac04269d9fb3ac8f21e46c53fdb2b4dd39c726f7

Score

10^/10

trojan botnet zloader spyware

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2160	msiexec.exe
2160	msiexec.exe

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

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 3220	2040	rundll32.exe	68
PID 2040 wrote to memory of 3220	2040	rundll32.exe	68
PID 2040 wrote to memory of 3220	2040	rundll32.exe	68
PID 3220 wrote to memory of 2160	3220	rundll32.exe	73
PID 3220 wrote to memory of 2160	3220	rundll32.exe	73
PID 3220 wrote to memory of 2160	3220	rundll32.exe	73
PID 3220 wrote to memory of 2160	3220	rundll32.exe	73
PID 3220 wrote to memory of 2160	3220	rundll32.exe	73
PID 2160 wrote to memory of 3768	2160	msiexec.exe	74
PID 2160 wrote to memory of 3768	2160	msiexec.exe	74
PID 2160 wrote to memory of 3768	2160	msiexec.exe	74
PID 3768 wrote to memory of 3016	3768	cmd.exe	76
PID 3768 wrote to memory of 3016	3768	cmd.exe	76
PID 3768 wrote to memory of 3016	3768	cmd.exe	76
PID 2160 wrote to memory of 3900	2160	msiexec.exe	77
PID 2160 wrote to memory of 3900	2160	msiexec.exe	77
PID 2160 wrote to memory of 3900	2160	msiexec.exe	77
PID 3900 wrote to memory of 1892	3900	cmd.exe	79
PID 3900 wrote to memory of 1892	3900	cmd.exe	79
PID 3900 wrote to memory of 1892	3900	cmd.exe	79
PID 1892 wrote to memory of 1864	1892	net.exe	80
PID 1892 wrote to memory of 1864	1892	net.exe	80
PID 1892 wrote to memory of 1864	1892	net.exe	80
PID 2160 wrote to memory of 3540	2160	msiexec.exe	81
PID 2160 wrote to memory of 3540	2160	msiexec.exe	81
PID 2160 wrote to memory of 3540	2160	msiexec.exe	81
PID 3540 wrote to memory of 3560	3540	cmd.exe	83
PID 3540 wrote to memory of 3560	3540	cmd.exe	83
PID 3540 wrote to memory of 3560	3540	cmd.exe	83
PID 2160 wrote to memory of 3580	2160	msiexec.exe	84
PID 2160 wrote to memory of 3580	2160	msiexec.exe	84
PID 2160 wrote to memory of 3580	2160	msiexec.exe	84
PID 3580 wrote to memory of 3976	3580	cmd.exe	86
PID 3580 wrote to memory of 3976	3580	cmd.exe	86
PID 3580 wrote to memory of 3976	3580	cmd.exe	86

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2160	msiexec.exe
Token: SeSecurityPrivilege	2160	msiexec.exe

Blacklisted process makes network request 17 IoCs

flow	pid	Process
9	2160	msiexec.exe
10	2160	msiexec.exe
11	2160	msiexec.exe
12	2160	msiexec.exe
13	2160	msiexec.exe
14	2160	msiexec.exe
15	2160	msiexec.exe
16	2160	msiexec.exe
17	2160	msiexec.exe
18	2160	msiexec.exe
19	2160	msiexec.exe
20	2160	msiexec.exe
21	2160	msiexec.exe
22	2160	msiexec.exe
23	2160	msiexec.exe
24	2160	msiexec.exe
25	2160	msiexec.exe

Discovers systems in the same network 1 TTPs 2 IoCs

discovery

Remote System Discovery

T1018

pid	Process
3560	net.exe
3976	net.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3220 set thread context of 2160	3220	rundll32.exe	73

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\june30.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\june30.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  PID:3220
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    - Suspicious use of AdjustPrivilegeToken
    - Blacklisted process makes network request
    PID:2160
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ipconfig /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3768
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig /all
        5⤵
        
        PID:3016
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net config workstation
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3900
    - - C:\Windows\SysWOW64\net.exe
        
        net config workstation
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1892
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 config workstation
        6⤵
        
        PID:1864
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3540
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all
        5⤵
        Discovers systems in the same network
        
        PID:3560
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all /domain
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3580
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all /domain
        5⤵
        Discovers systems in the same network
        
        PID:3976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2160-1-0x0000000000D40000-0x0000000000D6B000-memory.dmp

Filesize
172KB

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