dridex | 6f8f87d42de16b9ad9ca77375e150a4c697cb3efd7df5600cf7147d23ac681b3

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 10:35

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General

Target

Trojan.Win32.Dridex.dll
Size

1.1MB
MD5

eb730c417dad437e32c709051c836f00
SHA1

6214f3ce1c8a0ccd6a06af4092fa28bbf2e8ad7d
SHA256

6f8f87d42de16b9ad9ca77375e150a4c697cb3efd7df5600cf7147d23ac681b3
SHA512

abc06c06736a875d60daf26bd50236997ade61fdd58c14491e0010f09810e6ef408abca90dbd546cf49c73baa4875365a211ef9430ec4cde088180d1664b5be4
SSDEEP

6144:DzWxkOP4p2EesvcDi6DOHPJ8/bbMU4h6ijlaWWaLNVdi7r:uSOP47es0e6yHPJ8/bbMU4hV8WWajdin

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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

resource	yara_rule
behavioral1/memory/1736-1-0x0000000075210000-0x0000000075241000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2300	1736	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 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 2412 wrote to memory of 1736	2412	rundll32.exe	29
PID 1736 wrote to memory of 2300	1736	rundll32.exe	30
PID 1736 wrote to memory of 2300	1736	rundll32.exe	30
PID 1736 wrote to memory of 2300	1736	rundll32.exe	30
PID 1736 wrote to memory of 2300	1736	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 220
    3⤵
    - Program crash
    PID:2300

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/1736-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1736-1-0x0000000075210000-0x0000000075241000-memory.dmp

Filesize
196KB

Download
memory/1736-3-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download