dridex | 51115bd45aa179983b17a232e815b5f3ce5dff3ceafdeac09e7313c1192154ca

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 00:50

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General

Target

4b168714ccda7dbebbc5b3bd3c31bb70N.dll
Size

184KB
MD5

4b168714ccda7dbebbc5b3bd3c31bb70
SHA1

9f1562416ea4e1690f132cf139391e2a53ed0b97
SHA256

51115bd45aa179983b17a232e815b5f3ce5dff3ceafdeac09e7313c1192154ca
SHA512

5ab798c94160b2a31ef0530dbe5b7ccb0eb58f3cc7a1161155a6c7750ad88683494dc9c97095c4738afaef12bd54a48623c97ca4ab60cadcdacc44e6a0ad9fc5
SSDEEP

3072:kJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J2a//2uFrSc:JfYOX+wTScR/Xzku9LVwVuG

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/1636-0-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr
behavioral1/memory/1636-3-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	1636	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 588 wrote to memory of 1636	588	rundll32.exe	30
PID 588 wrote to memory of 1636	588	rundll32.exe	30
PID 588 wrote to memory of 1636	588	rundll32.exe	30
PID 588 wrote to memory of 1636	588	rundll32.exe	30
PID 588 wrote to memory of 1636	588	rundll32.exe	30
PID 588 wrote to memory of 1636	588	rundll32.exe	30
PID 588 wrote to memory of 1636	588	rundll32.exe	30
PID 1636 wrote to memory of 2804	1636	rundll32.exe	31
PID 1636 wrote to memory of 2804	1636	rundll32.exe	31
PID 1636 wrote to memory of 2804	1636	rundll32.exe	31
PID 1636 wrote to memory of 2804	1636	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b168714ccda7dbebbc5b3bd3c31bb70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b168714ccda7dbebbc5b3bd3c31bb70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 220
    3⤵
    - Program crash
    PID:2804

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/1636-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1636-0-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download
memory/1636-3-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download