dridex | 636048497db73043247273ec928367443e8d03d777d488b1b4f17da4062cca83

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:41

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General

Target

JaffaCakes118_636048497db73043247273ec928367443e8d03d777d488b1b4f17da4062cca83.dll
Size

184KB
MD5

d58f1c0956432c6fee4c56b03f242801
SHA1

475b2edef0c675ede5c9def4de9de815b24afbca
SHA256

636048497db73043247273ec928367443e8d03d777d488b1b4f17da4062cca83
SHA512

23f571a012dbbf5ffa71d3ecfefab5e72f7115615dc8a7a3467500aeeceb827cb68f5de61ecf52815ab80b0a5b530ffb4c90f12aacd99cfb602366e0522a69f0
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jha//2uFrSc:mfYOX+wTScR/Xzku9LVwiuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1836-1-0x0000000074D20000-0x0000000074D4F000-memory.dmp	dridex_ldr
behavioral1/memory/1836-2-0x0000000074D20000-0x0000000074D4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2272	1836	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 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1836 wrote to memory of 2272	1836	rundll32.exe	32
PID 1836 wrote to memory of 2272	1836	rundll32.exe	32
PID 1836 wrote to memory of 2272	1836	rundll32.exe	32
PID 1836 wrote to memory of 2272	1836	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_636048497db73043247273ec928367443e8d03d777d488b1b4f17da4062cca83.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_636048497db73043247273ec928367443e8d03d777d488b1b4f17da4062cca83.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 220
    3⤵
    - Program crash
    PID:2272

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/1836-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1836-1-0x0000000074D20000-0x0000000074D4F000-memory.dmp

Filesize
188KB

Download
memory/1836-2-0x0000000074D20000-0x0000000074D4F000-memory.dmp

Filesize
188KB

Download
memory/1836-4-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download