dridex | 39eb727ab633dded01ab8620c7c47e46e41c76ed5eb093e5299000a8236d99f0

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 07:00

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General

Target

83578c23bb82f36047853f72138a5440N.dll
Size

277KB
MD5

83578c23bb82f36047853f72138a5440
SHA1

d0575e0f4c6f6c035357f3c34e082b483b030f9a
SHA256

39eb727ab633dded01ab8620c7c47e46e41c76ed5eb093e5299000a8236d99f0
SHA512

dc3dede7ace4ed2f803d94b3414e59321b9f85d66599a1d92df20e5b9bcd31dc6d36f353422a8ab12851bb510149e542a65c057d757b65981ac3e6194b6ab63c
SSDEEP

6144:RzWxkOP4p2EesvcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEl:ASOP47es0e6yHPJo3d0KJ4z1WE9au/4L

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/1860-1-0x0000000075010000-0x0000000075041000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	1860	WerFault.exe	28

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 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 2204 wrote to memory of 1860	2204	rundll32.exe	28
PID 1860 wrote to memory of 2312	1860	rundll32.exe	29
PID 1860 wrote to memory of 2312	1860	rundll32.exe	29
PID 1860 wrote to memory of 2312	1860	rundll32.exe	29
PID 1860 wrote to memory of 2312	1860	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83578c23bb82f36047853f72138a5440N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83578c23bb82f36047853f72138a5440N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 220
    3⤵
    - Program crash
    PID:2312

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/1860-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1860-1-0x0000000075010000-0x0000000075041000-memory.dmp

Filesize
196KB

Download
memory/1860-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download