zloader | 6d3ff9a1f4745625b44f5361e4d8d78b38898d24eddaf328c2448a2bb377c99a

General

Target

6d3ff9a1f4745625b44f5361e4d8d78b38898d24eddaf328c2448a2bb377c99a.dll
Size

248KB
MD5

d06b6befe1e077637c40604c6d3ddfa1
SHA1

fb70eb95d5c589391796f2400c729888797ea9ef
SHA256

6d3ff9a1f4745625b44f5361e4d8d78b38898d24eddaf328c2448a2bb377c99a
SHA512

7210f15a4bccc017e442654751f26b0b1e59d187654c8a2c060731921440d50bd8ad62689ff7ad938ecd38f472ccc4bb9fb9780c1c33f3a4e9ce770ff4da8f44

Score

10^/10

zloader dllobnova newupdate326 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

newupdate326

C2

https://fdsjfjdsfjdsdsjajjs.com/gate.php

https://idisaudhasdhasdj.com/gate.php

https://dsjdjsjdsadhasdas.com/gate.php

https://dsdjfhdsufudhjas.com/gate.php

https://dsdjfhdsufudhjas.info/gate.php

https://fdsjfjdsfjdsdsjajjs.info/gate.php

https://idisaudhasdhasdj.info/gate.php

https://dsdjfhdsufudhjas.pro/gate.php

https://dsdjfhd9ddksaas.pro/gate.php

Attributes

build_id
80

rc4.plain

Signatures

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

Blocklisted process makes network request 8 IoCs

flow	pid	Process
5	1988	msiexec.exe
7	1988	msiexec.exe
9	1988	msiexec.exe
11	1988	msiexec.exe
13	1988	msiexec.exe
15	1988	msiexec.exe
17	1988	msiexec.exe
19	1988	msiexec.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Iqidaci = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Sotu\\hymeoze.dll,DllRegisterServer"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 964 set thread context of 0	964	rundll32.exe
PID 964 set thread context of 0	964	rundll32.exe
PID 964 set thread context of 0	964	rundll32.exe
PID 964 set thread context of 1988	964	rundll32.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1988	msiexec.exe
Token: SeSecurityPrivilege	1988	msiexec.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe
964	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 1472 wrote to memory of 964	1472	rundll32.exe	27
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30
PID 964 wrote to memory of 1988	964	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d3ff9a1f4745625b44f5361e4d8d78b38898d24eddaf328c2448a2bb377c99a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d3ff9a1f4745625b44f5361e4d8d78b38898d24eddaf328c2448a2bb377c99a.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/964-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/964-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/964-56-0x00000000750E0000-0x0000000075121000-memory.dmp

Filesize
260KB

Download
memory/1988-57-0x00000000000D0000-0x0000000000100000-memory.dmp

Filesize
192KB

Download
memory/1988-58-0x00000000000D0000-0x0000000000101000-memory.dmp

Filesize
196KB

Download
memory/1988-59-0x00000000000D0000-0x0000000000101000-memory.dmp

Filesize
196KB

Download
memory/1988-61-0x00000000000D0000-0x0000000000100000-memory.dmp

Filesize
192KB

Download

Analysis

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