dridex | 4bce7221b669f92939b934b61a4b3b1d74cb6512e2f2636b03e6901588bd2f2b

Analysis

max time kernel
66s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:29

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General

Target

JaffaCakes118_4bce7221b669f92939b934b61a4b3b1d74cb6512e2f2636b03e6901588bd2f2b.dll
Size

184KB
MD5

524c3c05824449652dc4e72f295ccce1
SHA1

cf15c2e506105c25fc6384134f15799ceee1b511
SHA256

4bce7221b669f92939b934b61a4b3b1d74cb6512e2f2636b03e6901588bd2f2b
SHA512

9ce6d5ca8ed52884d5db55aa82830825bdf51ed340206669629813423897920d58bfea697fe6d85db647f75e28fcbebea131f1e66176678bff8ae241a78e9caf
SSDEEP

3072:OJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jda//2uFrSc:3fYOX+wTScR/Xzku9LVwquG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2804-1-0x0000000074560000-0x000000007458F000-memory.dmp	dridex_ldr
behavioral1/memory/2804-2-0x0000000074560000-0x000000007458F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	2804	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 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	30
PID 2804 wrote to memory of 3060	2804	rundll32.exe	31
PID 2804 wrote to memory of 3060	2804	rundll32.exe	31
PID 2804 wrote to memory of 3060	2804	rundll32.exe	31
PID 2804 wrote to memory of 3060	2804	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bce7221b669f92939b934b61a4b3b1d74cb6512e2f2636b03e6901588bd2f2b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bce7221b669f92939b934b61a4b3b1d74cb6512e2f2636b03e6901588bd2f2b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 224
    3⤵
    - Program crash
    PID:3060

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/2804-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2804-1-0x0000000074560000-0x000000007458F000-memory.dmp

Filesize
188KB

Download
memory/2804-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2804-2-0x0000000074560000-0x000000007458F000-memory.dmp

Filesize
188KB

Download