dridex | 4fc9b9ffdf89a88446b8b997d85912575875f4fd944932c5cd8462fea1b325aa

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 10:58

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General

Target

JaffaCakes118_4fc9b9ffdf89a88446b8b997d85912575875f4fd944932c5cd8462fea1b325aa.dll
Size

188KB
MD5

1ab4b443f44e05dd9a624a34f9c202ce
SHA1

bcf09c36b4192f2a57c87335b3e9afcf7cf183de
SHA256

4fc9b9ffdf89a88446b8b997d85912575875f4fd944932c5cd8462fea1b325aa
SHA512

1d8285bdb14facd866b72751c3a43bb8b55fedbff59d802a5faa16b628ed97ab4924ef26838392966f2ad673440e389aae9a3605cc7dc3b26bdb9c6381bce8df
SSDEEP

3072:bteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzZ9qM: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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2816-0-0x0000000074CC0000-0x0000000074CF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2888	2816	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 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2792 wrote to memory of 2816	2792	rundll32.exe	30
PID 2816 wrote to memory of 2888	2816	rundll32.exe	31
PID 2816 wrote to memory of 2888	2816	rundll32.exe	31
PID 2816 wrote to memory of 2888	2816	rundll32.exe	31
PID 2816 wrote to memory of 2888	2816	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fc9b9ffdf89a88446b8b997d85912575875f4fd944932c5cd8462fea1b325aa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fc9b9ffdf89a88446b8b997d85912575875f4fd944932c5cd8462fea1b325aa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 300
    3⤵
    - Program crash
    PID:2888

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/2816-1-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

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memory/2816-0-0x0000000074CC0000-0x0000000074CF0000-memory.dmp

Filesize
192KB

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