zloader | 526abd604aacfa30338c708974493d272d8ab09df53cd1db657c3666113fbca1

General

Target

526abd604aacfa30338c708974493d272d8ab09df53cd1db657c3666113fbca1.dll
Size

240KB
MD5

85f8afc207e12df05feef5243c97fad9
SHA1

1e41889305b022801a1e9b2656738196adf8bc59
SHA256

526abd604aacfa30338c708974493d272d8ab09df53cd1db657c3666113fbca1
SHA512

a5c6301e40db577c5086bb9fc708d48aca24efa0322de2c784563653550fb517f5c30855b4693f41a2628e296acbe0e17554460eb669e91b05082daf62d55710

Score

10^/10

zloader dllobnova prodomains botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

prodomains

C2

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
28

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

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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ofyv = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Unit\\xuicl.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1512 set thread context of 1220	1512	rundll32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1220	msiexec.exe
Token: SeSecurityPrivilege	1220	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1704 wrote to memory of 1512	1704	rundll32.exe	27
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30
PID 1512 wrote to memory of 1220	1512	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\526abd604aacfa30338c708974493d272d8ab09df53cd1db657c3666113fbca1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\526abd604aacfa30338c708974493d272d8ab09df53cd1db657c3666113fbca1.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1220

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1220-59-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1220-58-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1220-60-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1220-62-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1512-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1512-55-0x0000000000300000-0x0000000000364000-memory.dmp

Filesize
400KB

Download
memory/1512-56-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/1512-57-0x0000000000300000-0x0000000000364000-memory.dmp

Filesize
400KB

Download

Analysis

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