dridex | 5f381e42ed518f9e8da8cb780158333621eb0e745efedf3be1c2cba4b819f265

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:03

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General

Target

5f381e42ed518f9e8da8cb780158333621eb0e745efedf3be1c2cba4b819f265.dll
Size

188KB
MD5

06467dc638f63a687a14acc964efa05f
SHA1

df0507b135ff7aee118c6d8b9a80e0b3a29dabd1
SHA256

5f381e42ed518f9e8da8cb780158333621eb0e745efedf3be1c2cba4b819f265
SHA512

74620006a43a5c9e89c66949b1e2239cf96ac9b47388b0d4caace7335dcf9f6d714d032b512973182c96eac98ccc93fc7c5b52bd1813cd7c61787c51bdbf55e6
SSDEEP

3072:gteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzE9qM:0q7fYIHBZkTB6DWruUCOwjt

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/752-1-0x0000000075020000-0x0000000075050000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	752	WerFault.exe	31

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 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 1488 wrote to memory of 752	1488	rundll32.exe	31
PID 752 wrote to memory of 2608	752	rundll32.exe	32
PID 752 wrote to memory of 2608	752	rundll32.exe	32
PID 752 wrote to memory of 2608	752	rundll32.exe	32
PID 752 wrote to memory of 2608	752	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f381e42ed518f9e8da8cb780158333621eb0e745efedf3be1c2cba4b819f265.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f381e42ed518f9e8da8cb780158333621eb0e745efedf3be1c2cba4b819f265.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 300
    3⤵
    - Program crash
    PID:2608

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/752-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/752-1-0x0000000075020000-0x0000000075050000-memory.dmp

Filesize
192KB

Download
memory/752-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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