zloader | e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8

Resubmissions

05/11/2022, 23:29

221105-3gsdnaabh2 10

05/11/2022, 15:13

221105-sl48xagdd3 10

27/10/2022, 06:35

221027-hcm8xsbce5 10

Analysis

max time kernel
299s
max time network
301s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2022, 23:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
Size

111KB
MD5

e3564138588cba04c873bd054458f8b9
SHA1

157ec7421e1333b714d01a750b6d5d6517a92c45
SHA256

e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8
SHA512

2a2e8ce45a928bcffdb40ebf6559c1f071bb3feccfd9cfe355e593acb559ecf84858cf4474708d311317ab08b3f981eba7c8b80dceae973839a0eec9049665c8
SSDEEP

1536:3ui/9Xb791Wff4K84oeRnobxxm2ShclQaLMin8F5vAC+WEQbAmTjTpeyv0+gPzff:H/J7jWHT/oegcaQF5XEgHbpeyvfgT

Score

10^/10

zloader dllobnova 1017 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

1017

https://fdsjfjdsfjdsjfdjsfh.com/gate.php

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

Attributes

build_id
28

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 64 IoCs

flow	pid	Process
75	4688	msiexec.exe
76	4688	msiexec.exe
78	4688	msiexec.exe
80	4688	msiexec.exe
82	4688	msiexec.exe
84	4688	msiexec.exe
86	4688	msiexec.exe
87	4688	msiexec.exe
88	4688	msiexec.exe
90	4688	msiexec.exe
91	4688	msiexec.exe
92	4688	msiexec.exe
93	4688	msiexec.exe
94	4688	msiexec.exe
95	4688	msiexec.exe
96	4688	msiexec.exe
97	4688	msiexec.exe
98	4688	msiexec.exe
102	4688	msiexec.exe
103	4688	msiexec.exe
104	4688	msiexec.exe
106	4688	msiexec.exe
108	4688	msiexec.exe
109	4688	msiexec.exe
110	4688	msiexec.exe
111	4688	msiexec.exe
112	4688	msiexec.exe
113	4688	msiexec.exe
116	4688	msiexec.exe
117	4688	msiexec.exe
118	4688	msiexec.exe
120	4688	msiexec.exe
121	4688	msiexec.exe
122	4688	msiexec.exe
123	4688	msiexec.exe
124	4688	msiexec.exe
125	4688	msiexec.exe
131	4688	msiexec.exe
132	4688	msiexec.exe
133	4688	msiexec.exe
134	4688	msiexec.exe
135	4688	msiexec.exe
136	4688	msiexec.exe
137	4688	msiexec.exe
138	4688	msiexec.exe
139	4688	msiexec.exe
140	4688	msiexec.exe
141	4688	msiexec.exe
142	4688	msiexec.exe
143	4688	msiexec.exe
144	4688	msiexec.exe
145	4688	msiexec.exe
146	4688	msiexec.exe
147	4688	msiexec.exe
148	4688	msiexec.exe
149	4688	msiexec.exe
150	4688	msiexec.exe
151	4688	msiexec.exe
152	4688	msiexec.exe
153	4688	msiexec.exe
154	4688	msiexec.exe
155	4688	msiexec.exe
156	4688	msiexec.exe
157	4688	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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ogogog = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Hedi\\ubfa.dll,DllRegisterServer"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4844 set thread context of 4688	4844	regsvr32.exe	89

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4688	msiexec.exe
Token: SeSecurityPrivilege	4688	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 4844	4128	regsvr32.exe	81
PID 4128 wrote to memory of 4844	4128	regsvr32.exe	81
PID 4128 wrote to memory of 4844	4128	regsvr32.exe	81
PID 4844 wrote to memory of 4688	4844	regsvr32.exe	89
PID 4844 wrote to memory of 4688	4844	regsvr32.exe	89
PID 4844 wrote to memory of 4688	4844	regsvr32.exe	89
PID 4844 wrote to memory of 4688	4844	regsvr32.exe	89
PID 4844 wrote to memory of 4688	4844	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:4688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4688-134-0x0000000001210000-0x0000000001231000-memory.dmp

Filesize
132KB

Download
memory/4688-135-0x0000000001210000-0x0000000001231000-memory.dmp

Filesize
132KB

Download
memory/4688-136-0x0000000001210000-0x0000000001231000-memory.dmp

Filesize
132KB

Download