dridex | f7951e7902d40db690203a808c2f1da49a9e9b44dbf68d38f420b9781811dd4c

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 22:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

327074efb47343ad7570ca2ac5a4ca50N.dll
Size

184KB
MD5

327074efb47343ad7570ca2ac5a4ca50
SHA1

a3aecdec672dab53420b709b0b3513e9008d12f1
SHA256

f7951e7902d40db690203a808c2f1da49a9e9b44dbf68d38f420b9781811dd4c
SHA512

d018fe50268fea896fc75e6df35a60f7c445f379f9c6f8bc40709f51c65c6dd94c117f939dc1e823b56bf397476309bfa4944cb4132b7a021b0a06ac82df8db2
SSDEEP

3072:7iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoYlzoxss7:7iLVCIT4WK2z1W+CUHZj4Skq/eaoGoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2540-1-0x0000000074B50000-0x0000000074B7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	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 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2464 wrote to memory of 2540	2464	rundll32.exe	30
PID 2540 wrote to memory of 2124	2540	rundll32.exe	31
PID 2540 wrote to memory of 2124	2540	rundll32.exe	31
PID 2540 wrote to memory of 2124	2540	rundll32.exe	31
PID 2540 wrote to memory of 2124	2540	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\327074efb47343ad7570ca2ac5a4ca50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\327074efb47343ad7570ca2ac5a4ca50N.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:2124

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

Loading Replay Monitor...

Downloads

memory/2540-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x0000000074B50000-0x0000000074B7F000-memory.dmp

Filesize
188KB

Download
memory/2540-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download