zloader | 00a2e100c5f4d7419e6612284e80b5612b080671b50f3ad9442b60e937f87967

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 04:09

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General

Target

74483bc98982a9eb86823cc643edd939_JaffaCakes118.dll
Size

422KB
MD5

74483bc98982a9eb86823cc643edd939
SHA1

a596acc431dd9e84ca0eb1c5699fa1ac5381e629
SHA256

00a2e100c5f4d7419e6612284e80b5612b080671b50f3ad9442b60e937f87967
SHA512

e1d1adbace8d37bd1a055757252556cdd56fb2ad76cacdff76d3b8ea7d823587605c93c2ce9097a90f78108ff7ef380a937582634f8cd4a5f9f1cec63db793d9
SSDEEP

12288:yClc4hq+Ytln3+YzGKBTpJHtvgqYe7S9S:Tlc4kBlnOabpFtGgS0

Score

10^/10

zloader botnet persistence trojan

Malware Config

Extracted

Family

zloader

Attributes

build_id
49

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dabeha = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Cyufi\\fayhdyg.dll,DllRegisterServer"	msiexec.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
44	1596	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1872 set thread context of 1596	1872	rundll32.exe	99

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1596	msiexec.exe
Token: SeSecurityPrivilege	1596	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 1872	548	rundll32.exe	82
PID 548 wrote to memory of 1872	548	rundll32.exe	82
PID 548 wrote to memory of 1872	548	rundll32.exe	82
PID 1872 wrote to memory of 1596	1872	rundll32.exe	99
PID 1872 wrote to memory of 1596	1872	rundll32.exe	99
PID 1872 wrote to memory of 1596	1872	rundll32.exe	99
PID 1872 wrote to memory of 1596	1872	rundll32.exe	99
PID 1872 wrote to memory of 1596	1872	rundll32.exe	99

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74483bc98982a9eb86823cc643edd939_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\74483bc98982a9eb86823cc643edd939_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Blocklisted process makes network request
    - Suspicious use of AdjustPrivilegeToken
    PID:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1596-7-0x0000000000E00000-0x0000000000E2C000-memory.dmp

Filesize
176KB

Download
memory/1596-10-0x0000000000E00000-0x0000000000E2C000-memory.dmp

Filesize
176KB

Download
memory/1596-11-0x0000000000E00000-0x0000000000E2C000-memory.dmp

Filesize
176KB

Download
memory/1872-1-0x00000000023B0000-0x0000000002D20000-memory.dmp

Filesize
9.4MB

Download
memory/1872-2-0x00000000023B0000-0x0000000002D20000-memory.dmp

Filesize
9.4MB

Download
memory/1872-3-0x0000000002414000-0x0000000002417000-memory.dmp

Filesize
12KB

Download
memory/1872-4-0x00000000023B0000-0x0000000002D20000-memory.dmp

Filesize
9.4MB

Download
memory/1872-5-0x00000000023B0000-0x0000000002D20000-memory.dmp

Filesize
9.4MB

Download
memory/1872-6-0x00000000023B0000-0x0000000002D20000-memory.dmp

Filesize
9.4MB

Download
memory/1872-8-0x00000000023B0000-0x0000000002D20000-memory.dmp

Filesize
9.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads