dridex | 4e162478210d519cd472cd93883169383535b8d1416a782dc8f10dc417bea2a1

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 21:52

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General

Target

404e957c65e6fb2eeca74aa775ca01c0N.dll
Size

184KB
MD5

404e957c65e6fb2eeca74aa775ca01c0
SHA1

285f84e6387b7a970287edcaabb18c2abe284e50
SHA256

4e162478210d519cd472cd93883169383535b8d1416a782dc8f10dc417bea2a1
SHA512

7c320d9496a218220701acb2827fe7eea9cd71628e3c0aab1821d2ddcdf91e9493565d43781b720f885d3d10b4ae14a76c432e64689986b13384b381c2951090
SSDEEP

3072:/iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoglzoxss7:/iLVCIT4WK2z1W+CUHZj4Skq/eaoeoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2052-1-0x0000000074D10000-0x0000000074D3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2012	2052	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 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2368 wrote to memory of 2052	2368	rundll32.exe	31
PID 2052 wrote to memory of 2012	2052	rundll32.exe	32
PID 2052 wrote to memory of 2012	2052	rundll32.exe	32
PID 2052 wrote to memory of 2012	2052	rundll32.exe	32
PID 2052 wrote to memory of 2012	2052	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\404e957c65e6fb2eeca74aa775ca01c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\404e957c65e6fb2eeca74aa775ca01c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 220
    3⤵
    - Program crash
    PID:2012

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/2052-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2052-1-0x0000000074D10000-0x0000000074D3F000-memory.dmp

Filesize
188KB

Download
memory/2052-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download