dridex | aecd42d54ecd4ca0168164c95157be4858ac2a7c768e63e936bdc8551731d72f

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 02:09

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General

Target

aecd42d54ecd4ca0168164c95157be4858ac2a7c768e63e936bdc8551731d72f.dll
Size

188KB
MD5

a9af9e24b2fdc748e0652974b759e0e9
SHA1

dfb73a767fe0fc566bbae8eb38fef28543ae3d1e
SHA256

aecd42d54ecd4ca0168164c95157be4858ac2a7c768e63e936bdc8551731d72f
SHA512

056d6545f9a1a14100fcea460960045ba5d5b364da4be5bfc04cd1b14ee875bf1cf42ceb5048103d10dd1f82e5bc46f1c925d6a7340ee6feb192f276e4fa0e1a
SSDEEP

3072:zteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:7q7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/2504-1-0x0000000074DB0000-0x0000000074DE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	2504	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 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2380 wrote to memory of 2504	2380	rundll32.exe	30
PID 2504 wrote to memory of 2032	2504	rundll32.exe	32
PID 2504 wrote to memory of 2032	2504	rundll32.exe	32
PID 2504 wrote to memory of 2032	2504	rundll32.exe	32
PID 2504 wrote to memory of 2032	2504	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aecd42d54ecd4ca0168164c95157be4858ac2a7c768e63e936bdc8551731d72f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aecd42d54ecd4ca0168164c95157be4858ac2a7c768e63e936bdc8551731d72f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 300
    3⤵
    - Program crash
    PID:2032

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/2504-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2504-1-0x0000000074DB0000-0x0000000074DE0000-memory.dmp

Filesize
192KB

Download
memory/2504-3-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download