dridex | c83460fdefdb629eedb2af923165bc4679a5d63467f5780b2b0b9ad92d7e4b5e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 19:44

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General

Target

6cda3b92187208d052713a93cf171360N.dll
Size

184KB
MD5

6cda3b92187208d052713a93cf171360
SHA1

4c6587c78f1ae538fa08504d26c868939091a2c2
SHA256

c83460fdefdb629eedb2af923165bc4679a5d63467f5780b2b0b9ad92d7e4b5e
SHA512

58cd44a2047c7c205d901f4dc3cd095f2a2fbca056b07316cdc0de595dd898c3188bcbca38d4998939f0dd808cd1a923af3bad06fdbb4a1186e391f00467af35
SSDEEP

3072:VJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JFa//2uFrSc:efYOX+wTScR/Xzku9LVwyuG

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

Processes:

resource	yara_rule
behavioral1/memory/2648-1-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr
behavioral1/memory/2648-2-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2784	2648	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2436 wrote to memory of 2648	2436	rundll32.exe	31
PID 2648 wrote to memory of 2784	2648	rundll32.exe	32
PID 2648 wrote to memory of 2784	2648	rundll32.exe	32
PID 2648 wrote to memory of 2784	2648	rundll32.exe	32
PID 2648 wrote to memory of 2784	2648	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cda3b92187208d052713a93cf171360N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cda3b92187208d052713a93cf171360N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 220
    3⤵
    - Program crash
    PID:2784

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/2648-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2648-1-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download
memory/2648-2-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download
memory/2648-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download