dridex | 398974e99580182524b2dfb321f8e0f250eb3bec7ccbc3c5f1e92c5798702a68

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 04:58

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General

Target

df54252fb32c61e3825133b15fe67290N.dll
Size

188KB
MD5

df54252fb32c61e3825133b15fe67290
SHA1

8a848b66eddfcc573fd9109051d5b2989f944841
SHA256

398974e99580182524b2dfb321f8e0f250eb3bec7ccbc3c5f1e92c5798702a68
SHA512

991aa0b0a74842a52d42fc28a85511f5205f69b7281f3dcc7a5046ac30f6da8757fbaeda7692ce9336bc659f5515280f959034ff102bfbab696de7bc3bf86d92
SSDEEP

3072:tteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Zq7fYIHBZkTB6DWruUCOwjt

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

Processes:

resource	yara_rule
behavioral1/memory/1240-1-0x0000000074A20000-0x0000000074A50000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3036 1240 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
3036	1240	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 1240	1792	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 3036	1240	rundll32.exe	WerFault.exe
PID 1240 wrote to memory of 3036	1240	rundll32.exe	WerFault.exe
PID 1240 wrote to memory of 3036	1240	rundll32.exe	WerFault.exe
PID 1240 wrote to memory of 3036	1240	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\df54252fb32c61e3825133b15fe67290N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\df54252fb32c61e3825133b15fe67290N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 300
    3⤵
    - Program crash
    PID:3036

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/1240-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1240-1-0x0000000074A20000-0x0000000074A50000-memory.dmp

Filesize
192KB

Download
memory/1240-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download