zloader | 0a6df8d51b26c7bd3a7376f6118049f1c37a91ee0b2f1ada2b86c561d1170e1b

General

Target

0a6df8d51b26c7bd3a7376f6118049f1c37a91ee0b2f1ada2b86c561d1170e1b.dll
Size

258KB
MD5

49584f3cfff1654ca65de4dcab99f4eb
SHA1

cf10674919968daff5fa1c589df97ce5a9e120a3
SHA256

0a6df8d51b26c7bd3a7376f6118049f1c37a91ee0b2f1ada2b86c561d1170e1b
SHA512

4d3443b89a7b054121b4f4ae1179a011fb946ce585471b499fd67029d536f904ddd3bce87ccb5823b9b6f790ce6d8152314da38d40248cf3f0ebe2876733222d

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
77

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	1492	msiexec.exe
7	1492	msiexec.exe
9	1492	msiexec.exe
11	1492	msiexec.exe
13	1492	msiexec.exe
15	1492	msiexec.exe
17	1492	msiexec.exe
19	1492	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
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ereqpyc = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Ywetfy\\idfu.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 1492	1344	rundll32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1492	msiexec.exe
Token: SeSecurityPrivilege	1492	msiexec.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1612 wrote to memory of 1344	1612	rundll32.exe	27
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30
PID 1344 wrote to memory of 1492	1344	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a6df8d51b26c7bd3a7376f6118049f1c37a91ee0b2f1ada2b86c561d1170e1b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a6df8d51b26c7bd3a7376f6118049f1c37a91ee0b2f1ada2b86c561d1170e1b.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1492

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1344-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1344-56-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1344-57-0x0000000075090000-0x00000000750D3000-memory.dmp

Filesize
268KB

Download
memory/1492-59-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1492-58-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1492-60-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1492-62-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download

Analysis

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