dridex | 753fbe51bad5152d27d5b111aef9dc27bfb6f280737ace98bea9580a0cd78741

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:22

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General

Target

JaffaCakes118_753fbe51bad5152d27d5b111aef9dc27bfb6f280737ace98bea9580a0cd78741.dll
Size

188KB
MD5

502d5a7973c538449ecbef9f4cb41c35
SHA1

d9bedcea055c163f6bab3d405a67fe142076fdb7
SHA256

753fbe51bad5152d27d5b111aef9dc27bfb6f280737ace98bea9580a0cd78741
SHA512

5ce04e09430d4ba13d99b8caf3e0b84b3f62f6eb5cf06ec420aa5bb9bf3a77ea34fd55ce557463479597b0235412e5ec7b6a8d5937440bacc32f5e45e1294e71
SSDEEP

3072:bA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:bzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/1044-1-0x0000000074B90000-0x0000000074BC0000-memory.dmp	dridex_ldr
behavioral1/memory/1044-3-0x0000000074B90000-0x0000000074BC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2280	1044	WerFault.exe	31

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 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 1044 wrote to memory of 2280	1044	rundll32.exe	32
PID 1044 wrote to memory of 2280	1044	rundll32.exe	32
PID 1044 wrote to memory of 2280	1044	rundll32.exe	32
PID 1044 wrote to memory of 2280	1044	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_753fbe51bad5152d27d5b111aef9dc27bfb6f280737ace98bea9580a0cd78741.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_753fbe51bad5152d27d5b111aef9dc27bfb6f280737ace98bea9580a0cd78741.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 300
    3⤵
    - Program crash
    PID:2280

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/1044-1-0x0000000074B90000-0x0000000074BC0000-memory.dmp

Filesize
192KB

Download
memory/1044-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1044-3-0x0000000074B90000-0x0000000074BC0000-memory.dmp

Filesize
192KB

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