dridex | a1b349e7e22cedb8c4f9d68078b34a3281a535c9cbfec9223bd0ffa2c413e567

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 15:01

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General

Target

e0c15389a1916b84897596a6070da1c0N.dll
Size

188KB
MD5

e0c15389a1916b84897596a6070da1c0
SHA1

b7b010b2614e5537eaa929ee86efa61e4fa28613
SHA256

a1b349e7e22cedb8c4f9d68078b34a3281a535c9cbfec9223bd0ffa2c413e567
SHA512

46ffc874c050f0220ad93a0cc4a227c17eaca2cfb611788d3114619d8fa922ca081bc6d260d776599c372a30c7b4eff72737a2daef3b3feefb17f2978310d8e6
SSDEEP

3072:/teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzg9qM:nq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2248-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2368 2248 WerFault.exe rundll32.exe
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

pid	pid_target	process	target process
2368	2248	WerFault.exe	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	target process
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2248	2436	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2368	2248	rundll32.exe	WerFault.exe
PID 2248 wrote to memory of 2368	2248	rundll32.exe	WerFault.exe
PID 2248 wrote to memory of 2368	2248	rundll32.exe	WerFault.exe
PID 2248 wrote to memory of 2368	2248	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0c15389a1916b84897596a6070da1c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0c15389a1916b84897596a6070da1c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 300
    3⤵
    - Program crash
    PID:2368

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/2248-1-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2248-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp

Filesize
192KB

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