dridex | b34a5c4ff5eaa4620453168ae28cff3041aa6ac0d0db0504350daf24a8bbeb21

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:26

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General

Target

JaffaCakes118_b34a5c4ff5eaa4620453168ae28cff3041aa6ac0d0db0504350daf24a8bbeb21.dll
Size

184KB
MD5

d348aeb1c1cc439d1fead5541516d2f4
SHA1

2ecbdcea7e93c3486505eeff1d0398a4d5af0ad2
SHA256

b34a5c4ff5eaa4620453168ae28cff3041aa6ac0d0db0504350daf24a8bbeb21
SHA512

7770cbae82f75a5f0dbad653293b516c0774b97b82633b480bd51bb245ff686e68448d4944cb713c897f6e8c3731c698720c057f147fe8ace214388e826b4e47
SSDEEP

3072:tgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdg/dA4l:8PFkq6zOe5ilSanOod

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2324-1-0x0000000074AF0000-0x0000000074B20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
268	2324	WerFault.exe	28

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 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2868 wrote to memory of 2324	2868	rundll32.exe	28
PID 2324 wrote to memory of 268	2324	rundll32.exe	29
PID 2324 wrote to memory of 268	2324	rundll32.exe	29
PID 2324 wrote to memory of 268	2324	rundll32.exe	29
PID 2324 wrote to memory of 268	2324	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b34a5c4ff5eaa4620453168ae28cff3041aa6ac0d0db0504350daf24a8bbeb21.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b34a5c4ff5eaa4620453168ae28cff3041aa6ac0d0db0504350daf24a8bbeb21.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 220
    3⤵
    - Program crash
    PID:268

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

Replay Monitor

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Downloads

memory/2324-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2324-1-0x0000000074AF0000-0x0000000074B20000-memory.dmp

Filesize
192KB

Download
memory/2324-4-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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