dridex | 3185e6428359a508f80da2610c381cfc77d99d1f1c84b2a55e9f060715ea222c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 18:35

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General

Target

JaffaCakes118_3185e6428359a508f80da2610c381cfc77d99d1f1c84b2a55e9f060715ea222c.dll
Size

184KB
MD5

d1a07ccdf20de4fe051bd1adc994e843
SHA1

5159a1ff01bba3e4cccb42ada3f38f00021b54de
SHA256

3185e6428359a508f80da2610c381cfc77d99d1f1c84b2a55e9f060715ea222c
SHA512

c86fb7e42e471215a54fac09ca8dc92f4b0688beb29e339516d63bb209fa491225b8cb7e666a909ca9da67d5511f3a98467727f2d859e413724357c31467d13a
SSDEEP

3072:guwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4KTlmsb:O7TXYsd9SkONU1jKGlIlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2012-0-0x0000000074B50000-0x0000000074B80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2012	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 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2012 wrote to memory of 2696	2012	rundll32.exe	32
PID 2012 wrote to memory of 2696	2012	rundll32.exe	32
PID 2012 wrote to memory of 2696	2012	rundll32.exe	32
PID 2012 wrote to memory of 2696	2012	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3185e6428359a508f80da2610c381cfc77d99d1f1c84b2a55e9f060715ea222c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3185e6428359a508f80da2610c381cfc77d99d1f1c84b2a55e9f060715ea222c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 220
    3⤵
    - Program crash
    PID:2696

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

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Downloads

memory/2012-1-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

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memory/2012-0-0x0000000074B50000-0x0000000074B80000-memory.dmp

Filesize
192KB

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