zloader | a51d5fe8c5f9ea9c4af866b7b6669845433934e4b4528995a3ac1702e7002c0e

Target

june23.dll
Size

383KB
MD5

7e889962ed9651933c46faa6f7b5ab6d
SHA1

015639fe2a6af8d9205e0fb36226c9d134b49fd8
SHA256

a51d5fe8c5f9ea9c4af866b7b6669845433934e4b4528995a3ac1702e7002c0e
SHA512

914e07996a14bd4499b91333ab0de65748e5617d543dd0eff3a269d24a542f15cbe1dca7be618843c0d7fb60dcaf96e20e5de95ac2989dc48850ab1a10aa8ff2

Score

10^/10

trojan botnet zloader spyware

Malware Config

Signatures

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2176	msiexec.exe
Token: SeSecurityPrivilege	2176	msiexec.exe

Blacklisted process makes network request 17 IoCs

flow	pid	Process
10	2176	msiexec.exe
11	2176	msiexec.exe
12	2176	msiexec.exe
13	2176	msiexec.exe
14	2176	msiexec.exe
15	2176	msiexec.exe
16	2176	msiexec.exe
17	2176	msiexec.exe
18	2176	msiexec.exe
19	2176	msiexec.exe
20	2176	msiexec.exe
21	2176	msiexec.exe
22	2176	msiexec.exe
23	2176	msiexec.exe
24	2176	msiexec.exe
25	2176	msiexec.exe
26	2176	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2176	msiexec.exe
2176	msiexec.exe

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

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 1152	908	rundll32.exe	68
PID 908 wrote to memory of 1152	908	rundll32.exe	68
PID 908 wrote to memory of 1152	908	rundll32.exe	68
PID 1152 wrote to memory of 2176	1152	rundll32.exe	73
PID 1152 wrote to memory of 2176	1152	rundll32.exe	73
PID 1152 wrote to memory of 2176	1152	rundll32.exe	73
PID 1152 wrote to memory of 2176	1152	rundll32.exe	73
PID 1152 wrote to memory of 2176	1152	rundll32.exe	73
PID 2176 wrote to memory of 3460	2176	msiexec.exe	74
PID 2176 wrote to memory of 3460	2176	msiexec.exe	74
PID 2176 wrote to memory of 3460	2176	msiexec.exe	74
PID 3460 wrote to memory of 1860	3460	cmd.exe	76
PID 3460 wrote to memory of 1860	3460	cmd.exe	76
PID 3460 wrote to memory of 1860	3460	cmd.exe	76
PID 2176 wrote to memory of 424	2176	msiexec.exe	77
PID 2176 wrote to memory of 424	2176	msiexec.exe	77
PID 2176 wrote to memory of 424	2176	msiexec.exe	77
PID 424 wrote to memory of 3948	424	cmd.exe	79
PID 424 wrote to memory of 3948	424	cmd.exe	79
PID 424 wrote to memory of 3948	424	cmd.exe	79
PID 3948 wrote to memory of 3756	3948	net.exe	80
PID 3948 wrote to memory of 3756	3948	net.exe	80
PID 3948 wrote to memory of 3756	3948	net.exe	80
PID 2176 wrote to memory of 936	2176	msiexec.exe	81
PID 2176 wrote to memory of 936	2176	msiexec.exe	81
PID 2176 wrote to memory of 936	2176	msiexec.exe	81
PID 936 wrote to memory of 1236	936	cmd.exe	83
PID 936 wrote to memory of 1236	936	cmd.exe	83
PID 936 wrote to memory of 1236	936	cmd.exe	83
PID 2176 wrote to memory of 2384	2176	msiexec.exe	84
PID 2176 wrote to memory of 2384	2176	msiexec.exe	84
PID 2176 wrote to memory of 2384	2176	msiexec.exe	84
PID 2384 wrote to memory of 804	2384	cmd.exe	86
PID 2384 wrote to memory of 804	2384	cmd.exe	86
PID 2384 wrote to memory of 804	2384	cmd.exe	86

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1152 set thread context of 2176	1152	rundll32.exe	73

Discovers systems in the same network 1 TTPs 2 IoCs

discovery

Remote System Discovery

T1018

pid	Process
1236	net.exe
804	net.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\june23.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\june23.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  PID:1152
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Blacklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2176
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ipconfig /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3460
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig /all
        5⤵
        
        PID:1860
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net config workstation
      4⤵
      Suspicious use of WriteProcessMemory
      PID:424
    - - C:\Windows\SysWOW64\net.exe
        
        net config workstation
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3948
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 config workstation
        6⤵
        
        PID:3756
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all
      4⤵
      Suspicious use of WriteProcessMemory
      PID:936
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all
        5⤵
        Discovers systems in the same network
        
        PID:1236
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net view /all /domain
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2384
    - - C:\Windows\SysWOW64\net.exe
        
        net view /all /domain
        5⤵
        Discovers systems in the same network
        
        PID:804

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/2176-1-0x0000000002E10000-0x0000000002E3B000-memory.dmp

Filesize
172KB

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