zloader | a770fcb1791d4a1c1037921403f936fb699b4e86df500abc41cb7fa1d762e302

General

Target

a770fcb1791d4a1c1037921403f936fb699b4e86df500abc41cb7fa1d762e302.dll
Size

263KB
MD5

a09afd2dd6a1c87b901903621200cbd1
SHA1

81622fcfe94fb96acaa1898ca3230536d1e79f63
SHA256

a770fcb1791d4a1c1037921403f936fb699b4e86df500abc41cb7fa1d762e302
SHA512

ca657b4a3ec7e4ba17341a09cd31e63cdac28e7c9dc1dc71e422d98a54fc88dd876b214f63aafccfdef09cfea3047bb2715022b80b4a2be4be18be95662c1d4c

Score

10^/10

zloader dllobnova newupdate326 botnet persistence suricata 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
5

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 Generic -POST To gate.php w/Extended ASCII Characters (Likely Zeus Derivative)
suricata: ET MALWARE Generic -POST To gate.php w/Extended ASCII Characters (Likely Zeus Derivative)
suricata
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata
Blocklisted process makes network request 8 IoCs

Processes:

msiexec.exe

flow pid process

5 1616 msiexec.exe
7 1616 msiexec.exe
9 1616 msiexec.exe
11 1616 msiexec.exe
13 1616 msiexec.exe
15 1616 msiexec.exe
17 1616 msiexec.exe
19 1616 msiexec.exe

flow	pid	process
5	1616	msiexec.exe
7	1616	msiexec.exe
9	1616	msiexec.exe
11	1616	msiexec.exe
13	1616	msiexec.exe
15	1616	msiexec.exe
17	1616	msiexec.exe
19	1616	msiexec.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

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\Adbuubz = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Rorai\\goty.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 732 set thread context of 1616 732 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1616 msiexec.exe
Token: SeSecurityPrivilege 1616 msiexec.exe

description	pid	process	target process
PID 732 set thread context of 1616	732	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1616	msiexec.exe
Token: SeSecurityPrivilege	1616	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 732	1088	rundll32.exe	rundll32.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe
PID 732 wrote to memory of 1616	732	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a770fcb1791d4a1c1037921403f936fb699b4e86df500abc41cb7fa1d762e302.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a770fcb1791d4a1c1037921403f936fb699b4e86df500abc41cb7fa1d762e302.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:732

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1616

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/732-54-0x00000000763B1000-0x00000000763B3000-memory.dmp

Filesize
8KB

Download
memory/732-58-0x00000000751A0000-0x00000000751E3000-memory.dmp

Filesize
268KB

Download
memory/1616-55-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1616-56-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1616-57-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1616-60-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download

Analysis

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