dridex | f4128ab48269c1ffe3eda4a3318e59f93ad2a2673da91a7fc93574e1b5f361f1

Analysis

max time kernel
110s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 10:48

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General

Target

ad2911a935833b7e6405d44c71f6ae50N.dll
Size

184KB
MD5

ad2911a935833b7e6405d44c71f6ae50
SHA1

e8cfb7735f193ca27a8f2a78ea37979d0969f10d
SHA256

f4128ab48269c1ffe3eda4a3318e59f93ad2a2673da91a7fc93574e1b5f361f1
SHA512

b571b333010968ffd1077e36099bcd380684219d111153cbad416f4c53ef46ee76a41fe333434976cb39047e7cf9e6d67a1da392a87d11179f9abec48bdfff57
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jta//2uFrSc:mfYOX+wTScR/Xzku9LVw2uG

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2444-1-0x0000000074CD0000-0x0000000074CFF000-memory.dmp	dridex_ldr
behavioral1/memory/2444-2-0x0000000074CD0000-0x0000000074CFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2992	2444	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 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2444 wrote to memory of 2992	2444	rundll32.exe	31
PID 2444 wrote to memory of 2992	2444	rundll32.exe	31
PID 2444 wrote to memory of 2992	2444	rundll32.exe	31
PID 2444 wrote to memory of 2992	2444	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad2911a935833b7e6405d44c71f6ae50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad2911a935833b7e6405d44c71f6ae50N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 224
    3⤵
    - Program crash
    PID:2992

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/2444-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2444-1-0x0000000074CD0000-0x0000000074CFF000-memory.dmp

Filesize
188KB

Download
memory/2444-2-0x0000000074CD0000-0x0000000074CFF000-memory.dmp

Filesize
188KB

Download
memory/2444-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download