dridex | fc7b35c67b46595e804c0b2ad239360f235d8d4b48cea16898466ddc28e8b448

Analysis

max time kernel
118s
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 11:41

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General

Target

JaffaCakes118_fc7b35c67b46595e804c0b2ad239360f235d8d4b48cea16898466ddc28e8b448.dll
Size

184KB
MD5

77ff530a21ac16e2926bd8621e38d8bd
SHA1

f9d75467e463fe9d19ff0bd37918d458ff8a2857
SHA256

fc7b35c67b46595e804c0b2ad239360f235d8d4b48cea16898466ddc28e8b448
SHA512

298e7ab7c49609906a675bca5abb65b7486b4a01028bd1fb82875952796761a0096e0256baba24001752976604e8045c2637f75d52b10e3055d20ea49ceee082
SSDEEP

3072:XiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaollzoxss7:XiLVCIT4WK2z1W+CUHZj4Skq/eaoroC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2676-0-0x0000000074F80000-0x0000000074FAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	2676	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 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 2676 wrote to memory of 2808	2676	rundll32.exe	31
PID 2676 wrote to memory of 2808	2676	rundll32.exe	31
PID 2676 wrote to memory of 2808	2676	rundll32.exe	31
PID 2676 wrote to memory of 2808	2676	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc7b35c67b46595e804c0b2ad239360f235d8d4b48cea16898466ddc28e8b448.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc7b35c67b46595e804c0b2ad239360f235d8d4b48cea16898466ddc28e8b448.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 220
    3⤵
    - Program crash
    PID:2808

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/2676-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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memory/2676-0-0x0000000074F80000-0x0000000074FAF000-memory.dmp

Filesize
188KB

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