dridex | 4ad71811cce9c33870c655606e98fea819fa661148887df97b6b36486d4b53e5

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 20:38

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General

Target

JaffaCakes118_4ad71811cce9c33870c655606e98fea819fa661148887df97b6b36486d4b53e5.dll
Size

184KB
MD5

fab00645be81900a93b4e728f730f671
SHA1

494dd9c46009dcebbe089715d4648fb1c8ae8945
SHA256

4ad71811cce9c33870c655606e98fea819fa661148887df97b6b36486d4b53e5
SHA512

482c271254414a3c735bfb9cc1bbedde6712f7bddf77a973e645caa8d3df0d4d9e61fac2e5e6f0f7a3606a07c05ac4a4722f51794fcca5d21e013c780b0b0d41
SSDEEP

3072:RJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JRa//2uFrSc:yfYOX+wTScR/Xzku9LVwquG

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/2428-1-0x0000000074C80000-0x0000000074CAF000-memory.dmp	dridex_ldr
behavioral1/memory/2428-2-0x0000000074C80000-0x0000000074CAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	2428	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 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 2428 wrote to memory of 2332	2428	rundll32.exe	32
PID 2428 wrote to memory of 2332	2428	rundll32.exe	32
PID 2428 wrote to memory of 2332	2428	rundll32.exe	32
PID 2428 wrote to memory of 2332	2428	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ad71811cce9c33870c655606e98fea819fa661148887df97b6b36486d4b53e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ad71811cce9c33870c655606e98fea819fa661148887df97b6b36486d4b53e5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 220
    3⤵
    - Program crash
    PID:2332

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/2428-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2428-1-0x0000000074C80000-0x0000000074CAF000-memory.dmp

Filesize
188KB

Download
memory/2428-2-0x0000000074C80000-0x0000000074CAF000-memory.dmp

Filesize
188KB

Download
memory/2428-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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