dridex | 5b41c280368f571e8b8a0f09ef3a1c721b011eaeb1a27aedbb1538ccaf3bb329

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 06:04

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General

Target

JaffaCakes118_5b41c280368f571e8b8a0f09ef3a1c721b011eaeb1a27aedbb1538ccaf3bb329.dll
Size

184KB
MD5

065a0c7b360a3a618249135b4f76b584
SHA1

aeaa29bf9b476c623392beeafaee49106ade0fa8
SHA256

5b41c280368f571e8b8a0f09ef3a1c721b011eaeb1a27aedbb1538ccaf3bb329
SHA512

f8f2dd8c45fd561273fa4078cc6db0af3f6bf393bc19a009d61e62c1143ae52ab384eb1a57200b6d410992a7ccd7a12aa3da51ef5fdf68349baadce18bf7c0c9
SSDEEP

3072:PiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoKlzoxss7:PiLVCIT4WK2z1W+CUHZj4Skq/eaoAoC

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/1040-0-0x0000000074FE0000-0x000000007500F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	1040	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 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 1040 wrote to memory of 2520	1040	rundll32.exe	32
PID 1040 wrote to memory of 2520	1040	rundll32.exe	32
PID 1040 wrote to memory of 2520	1040	rundll32.exe	32
PID 1040 wrote to memory of 2520	1040	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b41c280368f571e8b8a0f09ef3a1c721b011eaeb1a27aedbb1538ccaf3bb329.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b41c280368f571e8b8a0f09ef3a1c721b011eaeb1a27aedbb1538ccaf3bb329.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -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/1040-0-0x0000000074FE0000-0x000000007500F000-memory.dmp

Filesize
188KB

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memory/1040-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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