dridex | 584535560c1edb7f31466ce2efacf0cd4ca94cb91929aaf08f22ac530071f88e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 04:51

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General

Target

5_netplwiz.dll
Size

180KB
MD5

766cbe3c26ced2d55252490f519ff4fa
SHA1

a31074006b5aca4e681cd72fd0055bff85c584b2
SHA256

b34a364fca951188246775346510738b9ac99cc01976e916b1095a6a4f97bbe3
SHA512

c78114cb47d1533de96eba4c6c98534d370e46b34c188b28e2c24a073855f90557d6790b3dda6f11b00961b9be5e09126216995e3bea8be7e86b441b72526f40
SSDEEP

3072:9+8xp4RPerDATzSZBBQs7iRE2PJspXlgQo/D1FZdvF+mAuZz6iTK:A8DQ+cfABus72E2PGpG/PvBAli

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

155.138.203.91:443

207.180.220.242:8116

46.101.142.214:6891

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2648-1-0x0000000075080000-0x00000000750AF000-memory.dmp	dridex_ldr
behavioral1/memory/2648-2-0x0000000075080000-0x00000000750AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1568	2648	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 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 3060 wrote to memory of 2648	3060	rundll32.exe	30
PID 2648 wrote to memory of 1568	2648	rundll32.exe	31
PID 2648 wrote to memory of 1568	2648	rundll32.exe	31
PID 2648 wrote to memory of 1568	2648	rundll32.exe	31
PID 2648 wrote to memory of 1568	2648	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_netplwiz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_netplwiz.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 244
    3⤵
    - Program crash
    PID:1568

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/2648-0-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2648-1-0x0000000075080000-0x00000000750AF000-memory.dmp

Filesize
188KB

Download
memory/2648-3-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2648-2-0x0000000075080000-0x00000000750AF000-memory.dmp

Filesize
188KB

Download