dridex | 8b74af0ced1a33b744b98d987f1feb03a5d2b0a64cfc66525a9b72759086febf

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
30-12-2024 03:15

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General

Target

JaffaCakes118_8b74af0ced1a33b744b98d987f1feb03a5d2b0a64cfc66525a9b72759086febf.dll
Size

184KB
MD5

ea89f11f1455000b5a7c91b9fed502ba
SHA1

ce3867def78e9ada71fc562c8a3a62f924fd18fc
SHA256

8b74af0ced1a33b744b98d987f1feb03a5d2b0a64cfc66525a9b72759086febf
SHA512

835af0f3415c743267f290aa720d5e812cd67fec5802882e6a70fc20d6cf12d6dd58588ab047c1873af9f4cbe6c29342c3d3769497709116d0178a14f2d37468
SSDEEP

3072:hiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoxlzoxss7:hiLVCIT4WK2z1W+CUHZj4Skq/eaovoC

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/2504-1-0x0000000074EA0000-0x0000000074ECF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2248	2504	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 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2328 wrote to memory of 2504	2328	rundll32.exe	30
PID 2504 wrote to memory of 2248	2504	rundll32.exe	32
PID 2504 wrote to memory of 2248	2504	rundll32.exe	32
PID 2504 wrote to memory of 2248	2504	rundll32.exe	32
PID 2504 wrote to memory of 2248	2504	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8b74af0ced1a33b744b98d987f1feb03a5d2b0a64cfc66525a9b72759086febf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8b74af0ced1a33b744b98d987f1feb03a5d2b0a64cfc66525a9b72759086febf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 220
    3⤵
    - Program crash
    PID:2248

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/2504-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2504-1-0x0000000074EA0000-0x0000000074ECF000-memory.dmp

Filesize
188KB

Download
memory/2504-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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