dridex | 4cd9ae302c0f254b14e8acc8e8bb60e0147b0d10451a0b871d1711770aafb1ce

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:36

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General

Target

JaffaCakes118_4cd9ae302c0f254b14e8acc8e8bb60e0147b0d10451a0b871d1711770aafb1ce.dll
Size

184KB
MD5

6e00cb6bfc6f84e036b68768c5c40ca1
SHA1

5b715f7d27753d26a4dc028a344ae71734da5219
SHA256

4cd9ae302c0f254b14e8acc8e8bb60e0147b0d10451a0b871d1711770aafb1ce
SHA512

798eaebff77e05315f88ea74d54f697a07f4c29b7b9f70cc03edf2093f2e79e8089dd03c4d25e4ef2fc0d74eaf2b956aa96fe04c7b801a17b2b29ab4d57ca2a4
SSDEEP

3072:oJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jba//2uFrSc:lfYOX+wTScR/Xzku9LVwYuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2268-0-0x0000000074A00000-0x0000000074A2F000-memory.dmp	dridex_ldr
behavioral1/memory/2268-3-0x0000000074A00000-0x0000000074A2F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1436	2268	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 1776 wrote to memory of 2268	1776	rundll32.exe	30
PID 2268 wrote to memory of 1436	2268	rundll32.exe	32
PID 2268 wrote to memory of 1436	2268	rundll32.exe	32
PID 2268 wrote to memory of 1436	2268	rundll32.exe	32
PID 2268 wrote to memory of 1436	2268	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cd9ae302c0f254b14e8acc8e8bb60e0147b0d10451a0b871d1711770aafb1ce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cd9ae302c0f254b14e8acc8e8bb60e0147b0d10451a0b871d1711770aafb1ce.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 220
    3⤵
    - Program crash
    PID:1436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2268-0-0x0000000074A00000-0x0000000074A2F000-memory.dmp

Filesize
188KB

Download
memory/2268-2-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2268-3-0x0000000074A00000-0x0000000074A2F000-memory.dmp

Filesize
188KB

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