zloader | 42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2

General

Target

A004BC8B4F3DB1EF5A66579B9746B5B1.bin.dll
Size

424KB
MD5

a004bc8b4f3db1ef5a66579b9746b5b1
SHA1

88a5fcebfd7a037a9ca9573772ac2334a61b25de
SHA256

42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2
SHA512

28aed111b2ecea90c2da03871f36272b8680d392c245fdf0e2f4d4454974a3a51d6744133cecfc2576bbc778742f9b824e8355026b53d029d13ff79bb2136f9b

Score

10^/10

trojan botnet zloader spyware

Malware Config

Signatures

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

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

description	pid	process	target process
PID 2460 wrote to memory of 3828	2460	rundll32.exe	rundll32.exe
PID 2460 wrote to memory of 3828	2460	rundll32.exe	rundll32.exe
PID 2460 wrote to memory of 3828	2460	rundll32.exe	rundll32.exe
PID 3828 wrote to memory of 3720	3828	rundll32.exe	msiexec.exe
PID 3828 wrote to memory of 3720	3828	rundll32.exe	msiexec.exe
PID 3828 wrote to memory of 3720	3828	rundll32.exe	msiexec.exe
PID 3828 wrote to memory of 3720	3828	rundll32.exe	msiexec.exe
PID 3828 wrote to memory of 3720	3828	rundll32.exe	msiexec.exe
PID 3720 wrote to memory of 352	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 352	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 352	3720	msiexec.exe	cmd.exe
PID 352 wrote to memory of 1624	352	cmd.exe	ipconfig.exe
PID 352 wrote to memory of 1624	352	cmd.exe	ipconfig.exe
PID 352 wrote to memory of 1624	352	cmd.exe	ipconfig.exe
PID 3720 wrote to memory of 2416	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 2416	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 2416	3720	msiexec.exe	cmd.exe
PID 2416 wrote to memory of 3884	2416	cmd.exe	net.exe
PID 2416 wrote to memory of 3884	2416	cmd.exe	net.exe
PID 2416 wrote to memory of 3884	2416	cmd.exe	net.exe
PID 3884 wrote to memory of 1432	3884	net.exe	net1.exe
PID 3884 wrote to memory of 1432	3884	net.exe	net1.exe
PID 3884 wrote to memory of 1432	3884	net.exe	net1.exe
PID 3720 wrote to memory of 1924	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 1924	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 1924	3720	msiexec.exe	cmd.exe
PID 1924 wrote to memory of 1320	1924	cmd.exe	net.exe
PID 1924 wrote to memory of 1320	1924	cmd.exe	net.exe
PID 1924 wrote to memory of 1320	1924	cmd.exe	net.exe
PID 3720 wrote to memory of 2644	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 2644	3720	msiexec.exe	cmd.exe
PID 3720 wrote to memory of 2644	3720	msiexec.exe	cmd.exe
PID 2644 wrote to memory of 3864	2644	cmd.exe	net.exe
PID 2644 wrote to memory of 3864	2644	cmd.exe	net.exe
PID 2644 wrote to memory of 3864	2644	cmd.exe	net.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3828 set thread context of 3720 3828 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3720 msiexec.exe
Token: SeSecurityPrivilege 3720 msiexec.exe

description	pid	process	target process
PID 3828 set thread context of 3720	3828	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3720	msiexec.exe
Token: SeSecurityPrivilege	3720	msiexec.exe

Blacklisted process makes network request 18 IoCs

Processes:

msiexec.exe

flow	pid	process
14	3720	msiexec.exe
15	3720	msiexec.exe
16	3720	msiexec.exe
17	3720	msiexec.exe
18	3720	msiexec.exe
19	3720	msiexec.exe
20	3720	msiexec.exe
21	3720	msiexec.exe
22	3720	msiexec.exe
23	3720	msiexec.exe
24	3720	msiexec.exe
25	3720	msiexec.exe
26	3720	msiexec.exe
27	3720	msiexec.exe
28	3720	msiexec.exe
29	3720	msiexec.exe
30	3720	msiexec.exe
31	3720	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
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

msiexec.exe

pid process

3720 msiexec.exe
3720 msiexec.exe
3720 msiexec.exe
3720 msiexec.exe
3720 msiexec.exe
3720 msiexec.exe
Discovers systems in the same network 1 TTPs 2 IoCs
discovery

Remote System Discovery
T1018

Processes:

net.exenet.exe

pid process

1320 net.exe
3864 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

pid	process
3720	msiexec.exe
3720	msiexec.exe
3720	msiexec.exe
3720	msiexec.exe
3720	msiexec.exe
3720	msiexec.exe

pid	process
1320	net.exe
3864	net.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\A004BC8B4F3DB1EF5A66579B9746B5B1.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2460

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\A004BC8B4F3DB1EF5A66579B9746B5B1.bin.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3828

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:3720

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ipconfig /all
4⤵
- Suspicious use of WriteProcessMemory
PID:352

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
5⤵
PID:1624

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c net config workstation
4⤵
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\SysWOW64\net.exe
net config workstation
5⤵
- Suspicious use of WriteProcessMemory
PID:3884

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 config workstation
6⤵
PID:1432

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c net view /all
4⤵
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\SysWOW64\net.exe
net view /all
5⤵
- Discovers systems in the same network
PID:1320

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c net view /all /domain
4⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SysWOW64\net.exe
net view /all /domain
5⤵
- Discovers systems in the same network
PID:3864

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/352-3-0x0000000000000000-mapping.dmp

Download
memory/1320-78-0x0000000000000000-mapping.dmp

Download
memory/1432-76-0x0000000000000000-mapping.dmp

Download
memory/1624-28-0x0000000000000000-mapping.dmp

Download
memory/1924-77-0x0000000000000000-mapping.dmp

Download
memory/2416-50-0x0000000000000000-mapping.dmp

Download
memory/2644-80-0x0000000000000000-mapping.dmp

Download
memory/3720-2-0x0000000000000000-mapping.dmp

Download
memory/3720-1-0x0000000002A80000-0x0000000002AAB000-memory.dmp

Filesize
172KB

Download
memory/3720-79-0x0000000006654000-0x00000000067A0000-memory.dmp

Filesize
1.3MB

Download
memory/3828-0-0x0000000000000000-mapping.dmp

Download
memory/3864-81-0x0000000000000000-mapping.dmp

Download
memory/3884-75-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing