dridex | 66b3474b3a0a228bc1783d891999b089aa3bc84a1e3f3c7f3a8a1b9eb68d4360

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
25/12/2024, 04:16

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General

Target

JaffaCakes118_66b3474b3a0a228bc1783d891999b089aa3bc84a1e3f3c7f3a8a1b9eb68d4360.dll
Size

184KB
MD5

78495171509ea2f94b08b5cee0271c16
SHA1

e48d97ac601136c0fb43bb92f5596add9bbc1e8a
SHA256

66b3474b3a0a228bc1783d891999b089aa3bc84a1e3f3c7f3a8a1b9eb68d4360
SHA512

76e087e898c6c2bbcf2269ec3f2530deea92fd1d17ccca76806d83ecafdeedb19450bfb0927888a612d8886de9f867e28a3eae7524e57b8b8bb6282caef1dc1c
SSDEEP

3072:ViLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoclzoxss7:ViLVCIT4WK2z1W+CUHZj4Skq/eaoioC

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/2220-1-0x0000000074CB0000-0x0000000074CDF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2584	2220	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 2220	2792	rundll32.exe	30
PID 2792 wrote to memory of 2220	2792	rundll32.exe	30
PID 2792 wrote to memory of 2220	2792	rundll32.exe	30
PID 2792 wrote to memory of 2220	2792	rundll32.exe	30
PID 2792 wrote to memory of 2220	2792	rundll32.exe	30
PID 2792 wrote to memory of 2220	2792	rundll32.exe	30
PID 2792 wrote to memory of 2220	2792	rundll32.exe	30
PID 2220 wrote to memory of 2584	2220	rundll32.exe	31
PID 2220 wrote to memory of 2584	2220	rundll32.exe	31
PID 2220 wrote to memory of 2584	2220	rundll32.exe	31
PID 2220 wrote to memory of 2584	2220	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66b3474b3a0a228bc1783d891999b089aa3bc84a1e3f3c7f3a8a1b9eb68d4360.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66b3474b3a0a228bc1783d891999b089aa3bc84a1e3f3c7f3a8a1b9eb68d4360.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 220
    3⤵
    - Program crash
    PID:2584

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/2220-2-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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memory/2220-1-0x0000000074CB0000-0x0000000074CDF000-memory.dmp

Filesize
188KB

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