zloader | dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 23:29

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General

Target
8c293fe05b3af514723a1639810c06a3_JaffaCakes118.dll
Size 489KB
Sample240601-3gkc2sbc74
SHA256 dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b
MD5 8c293fe05b3af514723a1639810c06a3
SHA1 ac2f7668c7f3049930b52a83585ac479145cd059
SHA512 2f8db26e93c54b08944a4080e55595f348090086f849fe427f6f07b17a8a57926b1e0d6481356feb0846af0c01ffbb06122750974d3f80e2ea3c465aab1acc23
SSDEEP 6144:JQL/CxaPfEDAat201QjWS1weuSMveVva7u0wugLVghTRcWVHaLhU+7bd8AoovvQ5:Ju6uEDr40M6euSMvewSSaGY2ZsYiW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

zloader bot5 bot5 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

bot5

Campaign

bot5

https://militanttra.at/owg.php

Attributes

build_id
15

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Osoxu = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Ytert\\olmauwaz.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1648 set thread context of 1280	1648	rundll32.exe	93

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1280	msiexec.exe
Token: SeSecurityPrivilege	1280	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 1648	2620	rundll32.exe	81
PID 2620 wrote to memory of 1648	2620	rundll32.exe	81
PID 2620 wrote to memory of 1648	2620	rundll32.exe	81
PID 1648 wrote to memory of 1280	1648	rundll32.exe	93
PID 1648 wrote to memory of 1280	1648	rundll32.exe	93
PID 1648 wrote to memory of 1280	1648	rundll32.exe	93
PID 1648 wrote to memory of 1280	1648	rundll32.exe	93
PID 1648 wrote to memory of 1280	1648	rundll32.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c293fe05b3af514723a1639810c06a3_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c293fe05b3af514723a1639810c06a3_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1280

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/1280-6-0x0000000000160000-0x000000000018B000-memory.dmp

Download

memory/1280-10-0x0000000000160000-0x000000000018B000-memory.dmp

Download

memory/1280-11-0x0000000000160000-0x000000000018B000-memory.dmp

Download

memory/1648-0-0x0000000074DD0000-0x0000000074E50000-memory.dmp

Download

memory/1648-1-0x0000000074E46000-0x0000000074E49000-memory.dmp

Download

memory/1648-2-0x0000000074DD0000-0x0000000074E50000-memory.dmp

Download

memory/1648-8-0x0000000074DD0000-0x0000000074E50000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads