zloader | bb33e0b91b1b38802b2bfd5654d3888dee17959c6f07d3ce67dbac278712a402

Analysis

max time kernel
159s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
01/02/2022, 09:22

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General

Target

bb33e0b91b1b38802b2bfd5654d3888dee17959c6f07d3ce67dbac278712a402.dll
Size

303KB
MD5

1174bedf6bd31b666e5c82166d2ec763
SHA1

1a1e6d5f8e024ea29aa6e77f8a7d68c554d16895
SHA256

bb33e0b91b1b38802b2bfd5654d3888dee17959c6f07d3ce67dbac278712a402
SHA512

d33f2901c7121de80bbb937304ba2215c24c7a8201aede9dda5fa18920491552bb85ec0625713f0e71a874dd38049f5369d064f82400a71eeeebeeb8cd8b4b0f

Score

10^/10

zloader dllobnova alisa botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

alisa

https://dsdjfhdsufudhjas.pro/gate.php

https://dsdjfhd9ddksaas.pro/gate.php

https://dsdjfhdsufudhjas.name/gate.php

https://dsdjfhd9ddksaas.com/gate.php

https://dsdjfhdsufudhjas.pw/gate.php

https://dsdjfhd9ddksaas.ru/gate.php

https://dsdjfhdsufudhjas.su/gate.php

https://kdsadisadijdsasm2.com/gate.php

https://dsdjfhdsufudhjas.net/gate.php

https://dsdjfhd9ddksaas.eu/gate.php

Attributes

build_id
4

rc4.plain

rsa_pubkey.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

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-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bupo = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Cocaeq\\poelwyel.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3992 set thread context of 2896	3992	rundll32.exe	80

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2896	msiexec.exe
Token: SeSecurityPrivilege	2896	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 3992	1716	rundll32.exe	52
PID 1716 wrote to memory of 3992	1716	rundll32.exe	52
PID 1716 wrote to memory of 3992	1716	rundll32.exe	52
PID 3992 wrote to memory of 2896	3992	rundll32.exe	80
PID 3992 wrote to memory of 2896	3992	rundll32.exe	80
PID 3992 wrote to memory of 2896	3992	rundll32.exe	80
PID 3992 wrote to memory of 2896	3992	rundll32.exe	80
PID 3992 wrote to memory of 2896	3992	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb33e0b91b1b38802b2bfd5654d3888dee17959c6f07d3ce67dbac278712a402.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb33e0b91b1b38802b2bfd5654d3888dee17959c6f07d3ce67dbac278712a402.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:2896

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe f494200f354c956c5e8430a81d9727f3 SVd+EuuXlEGJ3r1ppuT4pQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3016

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/2896-132-0x00000000032C0000-0x00000000032EB000-memory.dmp

Filesize
172KB

Download
memory/2896-135-0x00000000032C0000-0x00000000032EB000-memory.dmp

Filesize
172KB

Download
memory/3992-130-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/3992-131-0x0000000074AE0000-0x0000000074B40000-memory.dmp

Filesize
384KB

Download