dridex | 70590e089c1d92117c0b115200a59ad99c3fde352a8f1ac05831306685c038cf

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 09:23

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General

Target

e1a12bb7dda1c0a71ab56f52d08c6370N.dll
Size

179KB
MD5

e1a12bb7dda1c0a71ab56f52d08c6370
SHA1

a7e1f146b381e0631ffe1ac18f940ede6da9a370
SHA256

70590e089c1d92117c0b115200a59ad99c3fde352a8f1ac05831306685c038cf
SHA512

9ed48aabd3ef37e91f0d68d18a1a97fe066758b49d191bfac995d8a66a7e4ee049dc17f89128a7d92572e07c0bd88469b1c2e1016e13d202f59f47789acaa7d2
SSDEEP

3072:CuCmyBVtWxZCOCA4Hpl1tv18F+yoSJPAacbnid8DOHPJ+HJG:+zWxkOP4pOcDi6DOHPJt

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/1744-1-0x00000000754E0000-0x0000000075511000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	1744	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 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 2212 wrote to memory of 1744	2212	rundll32.exe	29
PID 1744 wrote to memory of 2540	1744	rundll32.exe	31
PID 1744 wrote to memory of 2540	1744	rundll32.exe	31
PID 1744 wrote to memory of 2540	1744	rundll32.exe	31
PID 1744 wrote to memory of 2540	1744	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 220
    3⤵
    - Program crash
    PID:2540

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/1744-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1744-1-0x00000000754E0000-0x0000000075511000-memory.dmp

Filesize
196KB

Download
memory/1744-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download