dridex | 12826944320208598c2a09f9456dc4cf33dc86c56fd054dae612ab2732de0967

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
14-08-2024 07:59

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General

Target

4cc20e9bfeb75964b3369f0d9acffb20N.dll
Size

184KB
MD5

4cc20e9bfeb75964b3369f0d9acffb20
SHA1

1edfe2ffc38047c1174168a4a1421929aef7698f
SHA256

12826944320208598c2a09f9456dc4cf33dc86c56fd054dae612ab2732de0967
SHA512

ed8d921c9a46a9e9df1ceaae342632019f4c390b16354f6f0257dfb18c0eaf426d8db5481e72237c4a091a83db4bc8d31105c8238eb25007cc7c6f82816fd5a4
SSDEEP

3072:GW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmKWx9ixCH0u:N8qh+66QsRdNiBW/06ngmKWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/428-0-0x0000000074BF0000-0x0000000074C20000-memory.dmp	dridex_ldr
behavioral1/memory/428-2-0x0000000074BF0000-0x0000000074C20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1320	428	WerFault.exe	29

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 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 2256 wrote to memory of 428	2256	rundll32.exe	29
PID 428 wrote to memory of 1320	428	rundll32.exe	30
PID 428 wrote to memory of 1320	428	rundll32.exe	30
PID 428 wrote to memory of 1320	428	rundll32.exe	30
PID 428 wrote to memory of 1320	428	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cc20e9bfeb75964b3369f0d9acffb20N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cc20e9bfeb75964b3369f0d9acffb20N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 220
    3⤵
    - Program crash
    PID:1320

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/428-0-0x0000000074BF0000-0x0000000074C20000-memory.dmp

Filesize
192KB

Download
memory/428-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/428-2-0x0000000074BF0000-0x0000000074C20000-memory.dmp

Filesize
192KB

Download