dridex | 663a0dd3705d78aa23fc98dca9d66323bc0017a2b334da6fa3a3e726cab2295e

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 04:19

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General

Target

JaffaCakes118_663a0dd3705d78aa23fc98dca9d66323bc0017a2b334da6fa3a3e726cab2295e.dll
Size

184KB
MD5

c34fd83123f9a9db8abf126e0e22ac8e
SHA1

37d1cbb17c81c944c343d7bc72aa1e56f6c55bfb
SHA256

663a0dd3705d78aa23fc98dca9d66323bc0017a2b334da6fa3a3e726cab2295e
SHA512

d959af045ac2f7a7588c646f49d01ebb2b11ca7a0c839d5873b222d12d01268a54a159983a10568c85888f91a07f4557ab02fbc612fc0789f7566043a8a77d9e
SSDEEP

3072:oiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoSlzoxss7:oiLVCIT4WK2z1W+CUHZj4Skq/eaoYoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3044-0-0x0000000074D70000-0x0000000074D9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	3044	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 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3044 wrote to memory of 2520	3044	rundll32.exe	31
PID 3044 wrote to memory of 2520	3044	rundll32.exe	31
PID 3044 wrote to memory of 2520	3044	rundll32.exe	31
PID 3044 wrote to memory of 2520	3044	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_663a0dd3705d78aa23fc98dca9d66323bc0017a2b334da6fa3a3e726cab2295e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_663a0dd3705d78aa23fc98dca9d66323bc0017a2b334da6fa3a3e726cab2295e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 220
    3⤵
    - Program crash
    PID:2520

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/3044-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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memory/3044-0-0x0000000074D70000-0x0000000074D9F000-memory.dmp

Filesize
188KB

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