zloader | 5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e

General

Target

5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e.dll
Size

489KB
MD5

773ddf5b1f3c6aed86f5a6d5e47d6cf0
SHA1

6b78117fdebf7ecd999bed5c80c1eedad38d7307
SHA256

5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e
SHA512

b93ffe3295f70b0e6983e2464809586bae36f46057728a1118f0e55ab5aa41e8e8bf598d32075ea6250136332fe3fce2ec62a183d1a549b811bfac44177d1d08

Score

10^/10

zloader nnn nnn botnet persistence suricata trojan

Malware Config

Extracted

Family

zloader

Botnet

NNN

Campaign

NNN

C2

http://marchadvertisingnetwork4.com/post.php

http://march262020.best/post.php

http://march262020.club/post.php

http://march262020.com/post.php

http://march262020.live/post.php

http://march262020.network/post.php

http://march262020.online/post.php

http://march262020.site/post.php

http://march262020.store/post.php

http://march262020.tech/post.php

Attributes

build_id
79

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata

Blocklisted process makes network request 13 IoCs

flow	pid	Process
7	1632	msiexec.exe
9	1632	msiexec.exe
11	1632	msiexec.exe
13	1632	msiexec.exe
15	1632	msiexec.exe
16	1632	msiexec.exe
17	1632	msiexec.exe
18	1632	msiexec.exe
19	1632	msiexec.exe
21	1632	msiexec.exe
23	1632	msiexec.exe
25	1632	msiexec.exe
27	1632	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\Biga = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Miit\\zeuxes.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 1632	1624	rundll32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1632	msiexec.exe
Token: SeSecurityPrivilege	1632	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1652 wrote to memory of 1624	1652	rundll32.exe	27
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30
PID 1624 wrote to memory of 1632	1624	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1632

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/1624-55-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1624-56-0x0000000000190000-0x00000000001BB000-memory.dmp

Filesize
172KB

Download
memory/1624-57-0x0000000000260000-0x000000000028E000-memory.dmp

Filesize
184KB

Download
memory/1632-59-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1632-58-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1632-60-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1632-62-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download

Analysis

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