dridex | 23a6a177517bf68fa586ede093fcdfe1964afdca75d298e1d394638d0f896f29

Analysis

max time kernel
110s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 21:35

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General

Target

34edf4acab5a1974f86dc9e61134d090N.dll
Size

184KB
MD5

34edf4acab5a1974f86dc9e61134d090
SHA1

f43cb4b0b190bdac4568147cf5e410f50979b92e
SHA256

23a6a177517bf68fa586ede093fcdfe1964afdca75d298e1d394638d0f896f29
SHA512

3277538c467f5d155a283aaa4769960c25c409654b9bdabab5d5fc67eacae2189955ec6d7549af74352ec303e256ee1c9c149ff44e8b7ba6951bd37b4a6d0bcc
SSDEEP

3072:JJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jva//2uFrSc:qfYOX+wTScR/Xzku9LVwguG

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/1732-1-0x0000000074880000-0x00000000748AF000-memory.dmp	dridex_ldr
behavioral1/memory/1732-2-0x0000000074880000-0x00000000748AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	1732	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 1732	2356	rundll32.exe	30
PID 2356 wrote to memory of 1732	2356	rundll32.exe	30
PID 2356 wrote to memory of 1732	2356	rundll32.exe	30
PID 2356 wrote to memory of 1732	2356	rundll32.exe	30
PID 2356 wrote to memory of 1732	2356	rundll32.exe	30
PID 2356 wrote to memory of 1732	2356	rundll32.exe	30
PID 2356 wrote to memory of 1732	2356	rundll32.exe	30
PID 1732 wrote to memory of 2776	1732	rundll32.exe	31
PID 1732 wrote to memory of 2776	1732	rundll32.exe	31
PID 1732 wrote to memory of 2776	1732	rundll32.exe	31
PID 1732 wrote to memory of 2776	1732	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\34edf4acab5a1974f86dc9e61134d090N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\34edf4acab5a1974f86dc9e61134d090N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 224
    3⤵
    - Program crash
    PID:2776

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/1732-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x0000000074880000-0x00000000748AF000-memory.dmp

Filesize
188KB

Download
memory/1732-2-0x0000000074880000-0x00000000748AF000-memory.dmp

Filesize
188KB

Download
memory/1732-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download