dridex | 4b2b1e0c134060fd7a1d40a462d5d4e2dabd83ccb7a3593d4a71c9560e5c574d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:31

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General

Target

JaffaCakes118_4b2b1e0c134060fd7a1d40a462d5d4e2dabd83ccb7a3593d4a71c9560e5c574d.dll
Size

184KB
MD5

194bb0820efeb21eb8b2b59f35641b5e
SHA1

7257bc35d03bd1d03e1d21c22ed496c167e94b29
SHA256

4b2b1e0c134060fd7a1d40a462d5d4e2dabd83ccb7a3593d4a71c9560e5c574d
SHA512

f04ece84771efa77029198ea9b7f89bcf121a3388192a0084fd2ef5c96dd41b8a301ba31c2a7282810a011802c5e8f7b8a98b6c3d6394073912bf63e859b1038
SSDEEP

3072:+JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jda//2uFrSc:HfYOX+wTScR/Xzku9LVweuG

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/2368-1-0x0000000074FC0000-0x0000000074FEF000-memory.dmp	dridex_ldr
behavioral1/memory/2368-2-0x0000000074FC0000-0x0000000074FEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2340	2368	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 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2368 wrote to memory of 2340	2368	rundll32.exe	32
PID 2368 wrote to memory of 2340	2368	rundll32.exe	32
PID 2368 wrote to memory of 2340	2368	rundll32.exe	32
PID 2368 wrote to memory of 2340	2368	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b2b1e0c134060fd7a1d40a462d5d4e2dabd83ccb7a3593d4a71c9560e5c574d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b2b1e0c134060fd7a1d40a462d5d4e2dabd83ccb7a3593d4a71c9560e5c574d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 220
    3⤵
    - Program crash
    PID:2340

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/2368-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2368-1-0x0000000074FC0000-0x0000000074FEF000-memory.dmp

Filesize
188KB

Download
memory/2368-2-0x0000000074FC0000-0x0000000074FEF000-memory.dmp

Filesize
188KB

Download
memory/2368-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download