zloader | a654dbed7f65e6e6b8830e42b137fd85ddce872dc29ca006e8f7653f0aadcac7

General

Target

a654dbed7f65e6e6b8830e42b137fd85ddce872dc29ca006e8f7653f0aadcac7.dll
Size

282KB
MD5

4ab63b8e79b2a85bb9b9a18ee09e189c
SHA1

3e963c93377eb02aedd4f5d307445896fe82a290
SHA256

a654dbed7f65e6e6b8830e42b137fd85ddce872dc29ca006e8f7653f0aadcac7
SHA512

4f3b3fbf69a4d401332dcc6bd9312861e169e88b106ea5e4e3cb431758ac080ffa5617ea1876709451c11aa296d33f4d33ce0b19092414aeea3ae423cd4e0f1d

Score

10^/10

zloader main 2020-07-08 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

2020-07-08

C2

https://zonculet.com/web/data

https://dweandro.com/web/data

https://sweleger.com/web/data

https://cromecho.com/web/data

https://wunchilm.com/web/data

https://odoncrol.com/web/data

https://amemooll.org/web/data

https://urecheng.org/web/data

https://wiliefax.org/web/data

Attributes

build_id
25

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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Alilwa = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Devuq\\pupoh.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 856	1984	regsvr32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	856	msiexec.exe
Token: SeSecurityPrivilege	856	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1116 wrote to memory of 1984	1116	regsvr32.exe	27
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30
PID 1984 wrote to memory of 856	1984	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a654dbed7f65e6e6b8830e42b137fd85ddce872dc29ca006e8f7653f0aadcac7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a654dbed7f65e6e6b8830e42b137fd85ddce872dc29ca006e8f7653f0aadcac7.dll
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:856

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/856-57-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/856-56-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/856-58-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/856-62-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1116-54-0x000007FEFC151000-0x000007FEFC153000-memory.dmp

Filesize
8KB

Download
memory/1984-55-0x0000000076511000-0x0000000076513000-memory.dmp

Filesize
8KB

Download
memory/1984-59-0x00000000001E0000-0x0000000000234000-memory.dmp

Filesize
336KB

Download
memory/1984-60-0x00000000001E0000-0x000000000020C000-memory.dmp

Filesize
176KB

Download

Analysis

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