dridex | f6c66d5a43d3d5167f8bccee8e3310eb23d5c37afde91db6719e1e3e9a570512

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 07:26

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General

Target

fe70ef90cc8abe999362f5926d9117c0N.dll
Size

184KB
MD5

fe70ef90cc8abe999362f5926d9117c0
SHA1

5cc419d2953825140b9e9952f58599d23a2cb901
SHA256

f6c66d5a43d3d5167f8bccee8e3310eb23d5c37afde91db6719e1e3e9a570512
SHA512

cbcf736f9f177db7fcc53daddbeb179d14f7de53cf42703cf94c4a7d3b6f1b484cabf74f6234474b6329000ca3982a6ff42ecb71a72014cfe299726fa127dcff
SSDEEP

3072:wJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JZa//2uFrSc:NfYOX+wTScR/Xzku9LVwSuG

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/2668-1-0x00000000750B0000-0x00000000750DF000-memory.dmp	dridex_ldr
behavioral1/memory/2668-2-0x00000000750B0000-0x00000000750DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2668	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 824 wrote to memory of 2668	824	rundll32.exe	30
PID 824 wrote to memory of 2668	824	rundll32.exe	30
PID 824 wrote to memory of 2668	824	rundll32.exe	30
PID 824 wrote to memory of 2668	824	rundll32.exe	30
PID 824 wrote to memory of 2668	824	rundll32.exe	30
PID 824 wrote to memory of 2668	824	rundll32.exe	30
PID 824 wrote to memory of 2668	824	rundll32.exe	30
PID 2668 wrote to memory of 2780	2668	rundll32.exe	31
PID 2668 wrote to memory of 2780	2668	rundll32.exe	31
PID 2668 wrote to memory of 2780	2668	rundll32.exe	31
PID 2668 wrote to memory of 2780	2668	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe70ef90cc8abe999362f5926d9117c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe70ef90cc8abe999362f5926d9117c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 220
    3⤵
    - Program crash
    PID:2780

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/2668-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2668-1-0x00000000750B0000-0x00000000750DF000-memory.dmp

Filesize
188KB

Download
memory/2668-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2668-2-0x00000000750B0000-0x00000000750DF000-memory.dmp

Filesize
188KB

Download