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
121s
max time network
124s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-11-2022 15:13

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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 48 IoCs

flow	pid	Process
5	912	msiexec.exe
7	912	msiexec.exe
9	912	msiexec.exe
11	912	msiexec.exe
13	912	msiexec.exe
15	912	msiexec.exe
17	912	msiexec.exe
19	912	msiexec.exe
20	912	msiexec.exe
21	912	msiexec.exe
22	912	msiexec.exe
23	912	msiexec.exe
24	912	msiexec.exe
25	912	msiexec.exe
26	912	msiexec.exe
27	912	msiexec.exe
28	912	msiexec.exe
29	912	msiexec.exe
30	912	msiexec.exe
31	912	msiexec.exe
32	912	msiexec.exe
33	912	msiexec.exe
34	912	msiexec.exe
35	912	msiexec.exe
36	912	msiexec.exe
37	912	msiexec.exe
38	912	msiexec.exe
40	912	msiexec.exe
42	912	msiexec.exe
43	912	msiexec.exe
44	912	msiexec.exe
45	912	msiexec.exe
46	912	msiexec.exe
47	912	msiexec.exe
48	912	msiexec.exe
49	912	msiexec.exe
50	912	msiexec.exe
51	912	msiexec.exe
52	912	msiexec.exe
53	912	msiexec.exe
54	912	msiexec.exe
55	912	msiexec.exe
56	912	msiexec.exe
57	912	msiexec.exe
58	912	msiexec.exe
59	912	msiexec.exe
60	912	msiexec.exe
61	912	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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cyadfoh = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Hugaca\\hugo.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1420 set thread context of 912	1420	regsvr32.exe	27

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	912	msiexec.exe
Token: SeSecurityPrivilege	912	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1112 wrote to memory of 1420	1112	regsvr32.exe	26
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27
PID 1420 wrote to memory of 912	1420	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:912

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

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Downloads

memory/912-57-0x0000000000090000-0x00000000000B1000-memory.dmp

Filesize
132KB

Download
memory/912-59-0x0000000000090000-0x00000000000B1000-memory.dmp

Filesize
132KB

Download
memory/912-62-0x0000000000090000-0x00000000000B1000-memory.dmp

Filesize
132KB

Download
memory/912-63-0x0000000000090000-0x00000000000B1000-memory.dmp

Filesize
132KB

Download
memory/1112-54-0x000007FEFBCC1000-0x000007FEFBCC3000-memory.dmp

Filesize
8KB

Download
memory/1420-56-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download