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
114s
max time network
163s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
05/11/2022, 23:29

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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	1120	msiexec.exe
7	1120	msiexec.exe
9	1120	msiexec.exe
11	1120	msiexec.exe
13	1120	msiexec.exe
15	1120	msiexec.exe
17	1120	msiexec.exe
19	1120	msiexec.exe
20	1120	msiexec.exe
21	1120	msiexec.exe
22	1120	msiexec.exe
23	1120	msiexec.exe
24	1120	msiexec.exe
25	1120	msiexec.exe
26	1120	msiexec.exe
27	1120	msiexec.exe
28	1120	msiexec.exe
29	1120	msiexec.exe
30	1120	msiexec.exe
31	1120	msiexec.exe
32	1120	msiexec.exe
33	1120	msiexec.exe
34	1120	msiexec.exe
35	1120	msiexec.exe
36	1120	msiexec.exe
37	1120	msiexec.exe
38	1120	msiexec.exe
40	1120	msiexec.exe
42	1120	msiexec.exe
43	1120	msiexec.exe
44	1120	msiexec.exe
45	1120	msiexec.exe
46	1120	msiexec.exe
47	1120	msiexec.exe
48	1120	msiexec.exe
49	1120	msiexec.exe
50	1120	msiexec.exe
51	1120	msiexec.exe
52	1120	msiexec.exe
53	1120	msiexec.exe
54	1120	msiexec.exe
55	1120	msiexec.exe
56	1120	msiexec.exe
57	1120	msiexec.exe
58	1120	msiexec.exe
59	1120	msiexec.exe
60	1120	msiexec.exe
61	1120	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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fuucdyi = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Adic\\udcebo.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 1120	1948	regsvr32.exe	28

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1120	msiexec.exe
Token: SeSecurityPrivilege	1120	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1880 wrote to memory of 1948	1880	regsvr32.exe	27
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28
PID 1948 wrote to memory of 1120	1948	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8.dll
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1120

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/1120-57-0x0000000000130000-0x0000000000151000-memory.dmp

Filesize
132KB

Download
memory/1120-59-0x0000000000130000-0x0000000000151000-memory.dmp

Filesize
132KB

Download
memory/1120-62-0x0000000000130000-0x0000000000151000-memory.dmp

Filesize
132KB

Download
memory/1120-63-0x0000000000130000-0x0000000000151000-memory.dmp

Filesize
132KB

Download
memory/1880-54-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/1948-56-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download