dridex | d92b789235b148f705c8ec976ec93655c4b84b452b643e6d090079bcbeff90f0

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 17:41

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General

Target

5cb5e74d0443c75300a85955590e52a0N.dll
Size

184KB
MD5

5cb5e74d0443c75300a85955590e52a0
SHA1

2d640a69f09373a3bbf3b78e29fd7f0a82ea5428
SHA256

d92b789235b148f705c8ec976ec93655c4b84b452b643e6d090079bcbeff90f0
SHA512

d099d502f5810cf1a3f20e64834d9f9d31e6f736b5e6e35867498fa9e9dbbd84f7ed6dced1b5675b24b308cc913c4d58a5c4c2f373ef1175ea5dfc67519d06a4
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTkrLA:09NSMOEpQ1Q3ODAr+Vw

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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/2540-0-0x0000000075440000-0x000000007546F000-memory.dmp	dridex_ldr
behavioral1/memory/2540-3-0x0000000075440000-0x000000007546F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3024	2540	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 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2516 wrote to memory of 2540	2516	rundll32.exe	30
PID 2540 wrote to memory of 3024	2540	rundll32.exe	32
PID 2540 wrote to memory of 3024	2540	rundll32.exe	32
PID 2540 wrote to memory of 3024	2540	rundll32.exe	32
PID 2540 wrote to memory of 3024	2540	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cb5e74d0443c75300a85955590e52a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cb5e74d0443c75300a85955590e52a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 220
    3⤵
    - Program crash
    PID:3024

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/2540-0-0x0000000075440000-0x000000007546F000-memory.dmp

Filesize
188KB

Download
memory/2540-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2540-3-0x0000000075440000-0x000000007546F000-memory.dmp

Filesize
188KB

Download