dridex | f5a60c3a4b1c2206ca3d364d362c368908a55f3d1e13fb71a68b2b0d36efb43f

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 17:52

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General

Target

JaffaCakes118_f5a60c3a4b1c2206ca3d364d362c368908a55f3d1e13fb71a68b2b0d36efb43f.dll
Size

184KB
MD5

d41ee8353a38cecbe4733c9b4cc0df42
SHA1

8b456542e6c50f918180f34ee6a0bed16eb6b388
SHA256

f5a60c3a4b1c2206ca3d364d362c368908a55f3d1e13fb71a68b2b0d36efb43f
SHA512

c61c7343ad7e8e6d6755c08636f959a5557b47479233022a9b669274addf6ae82ef9a369fecdd562ec5f76636af2114bfaeba5a0411264055a45ae01a0b58969
SSDEEP

3072:biLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoRlzoxss7:biLVCIT4WK2z1W+CUHZj4Skq/eaoPoC

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/2324-1-0x0000000074B60000-0x0000000074B8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2452	2324	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 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2256 wrote to memory of 2324	2256	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	32
PID 2324 wrote to memory of 2452	2324	rundll32.exe	32
PID 2324 wrote to memory of 2452	2324	rundll32.exe	32
PID 2324 wrote to memory of 2452	2324	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5a60c3a4b1c2206ca3d364d362c368908a55f3d1e13fb71a68b2b0d36efb43f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5a60c3a4b1c2206ca3d364d362c368908a55f3d1e13fb71a68b2b0d36efb43f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 220
    3⤵
    - Program crash
    PID:2452

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/2324-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2324-1-0x0000000074B60000-0x0000000074B8F000-memory.dmp

Filesize
188KB

Download
memory/2324-4-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

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