dridex | 7b666277f290cebb16080b0a3e4a2682c78ca014dadab7c5f60fcc0239274fb5

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
21-12-2024 21:46

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General

Target

JaffaCakes118_7b666277f290cebb16080b0a3e4a2682c78ca014dadab7c5f60fcc0239274fb5.dll
Size

184KB
MD5

ea8664ff48f4fa8a8359fbfe80f42759
SHA1

be0ee2900829b0e5caa1667c07f7f5b49ecb0f59
SHA256

7b666277f290cebb16080b0a3e4a2682c78ca014dadab7c5f60fcc0239274fb5
SHA512

3f4f3d1d4bf94e5ab0d9d2f66fa1084d87e8f0b25851f810e06415a27106d22e73cc176719da665d441881f36c7d0129310516a5dd575e13292f816be9c4a5dc
SSDEEP

3072:piLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoFlzoxss7:piLVCIT4WK2z1W+CUHZj4Skq/eaoLoC

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/2412-1-0x0000000074B80000-0x0000000074BAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	2412	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 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2920 wrote to memory of 2412	2920	rundll32.exe	31
PID 2412 wrote to memory of 2720	2412	rundll32.exe	32
PID 2412 wrote to memory of 2720	2412	rundll32.exe	32
PID 2412 wrote to memory of 2720	2412	rundll32.exe	32
PID 2412 wrote to memory of 2720	2412	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b666277f290cebb16080b0a3e4a2682c78ca014dadab7c5f60fcc0239274fb5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b666277f290cebb16080b0a3e4a2682c78ca014dadab7c5f60fcc0239274fb5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 220
    3⤵
    - Program crash
    PID:2720

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/2412-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2412-1-0x0000000074B80000-0x0000000074BAF000-memory.dmp

Filesize
188KB

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memory/2412-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

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