dridex | 3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 12:35

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General

Target

3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll
Size

184KB
MD5

81e4d7bfd581bc851c8bb4c151f3ff10
SHA1

5340625b2f50825b5596ffc7986091800491012a
SHA256

3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3
SHA512

487d82967f5a05f2b995b00b564eb6cfdc0d206db9c7365eab05f6cb54d4b91d6e02113f7d9f01a02a5c2fb182a971ae883920974a2700e6538060d53b333bd5
SSDEEP

3072:vJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jla//2uFrSc:8fYOX+wTScR/Xzku9LVwiuG

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/2832-1-0x0000000074FD0000-0x0000000074FFF000-memory.dmp	dridex_ldr
behavioral1/memory/2832-2-0x0000000074FD0000-0x0000000074FFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	2832	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 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2796 wrote to memory of 2832	2796	rundll32.exe	31
PID 2832 wrote to memory of 2676	2832	rundll32.exe	32
PID 2832 wrote to memory of 2676	2832	rundll32.exe	32
PID 2832 wrote to memory of 2676	2832	rundll32.exe	32
PID 2832 wrote to memory of 2676	2832	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 220
    3⤵
    - Program crash
    PID:2676

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/2832-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2832-1-0x0000000074FD0000-0x0000000074FFF000-memory.dmp

Filesize
188KB

Download
memory/2832-2-0x0000000074FD0000-0x0000000074FFF000-memory.dmp

Filesize
188KB

Download
memory/2832-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download