dridex | fc4b615d79c8ee29447731d549c6476adb47be7be5b9dcad60f24bb35fb10c4b

Analysis

max time kernel
94s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 23:23

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General

Target

JaffaCakes118_fc4b615d79c8ee29447731d549c6476adb47be7be5b9dcad60f24bb35fb10c4b.dll
Size

188KB
MD5

4fec429cafd5e462421001e9426e54ba
SHA1

f654ea8ec63f5d0337a296c0fab7b4f86bed6943
SHA256

fc4b615d79c8ee29447731d549c6476adb47be7be5b9dcad60f24bb35fb10c4b
SHA512

5bd6f74baee07f4ba4f9d2af408e436d16b52e8922d18cecd7b19a4b38eaa83ce089ec923d8ccda1c00a95a602d039f968195aadf7ff3a2884afbbd27e774f19
SSDEEP

3072:VteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzf9qM:xq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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
behavioral2/memory/5004-1-0x0000000074B70000-0x0000000074BA0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3140	5004	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 5004	4720	rundll32.exe	84
PID 4720 wrote to memory of 5004	4720	rundll32.exe	84
PID 4720 wrote to memory of 5004	4720	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc4b615d79c8ee29447731d549c6476adb47be7be5b9dcad60f24bb35fb10c4b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc4b615d79c8ee29447731d549c6476adb47be7be5b9dcad60f24bb35fb10c4b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 692
    3⤵
    - Program crash
    PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5004 -ip 5004
1⤵
PID:4872

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/5004-0-0x00000000017D0000-0x00000000017D6000-memory.dmp

Filesize
24KB

Download
memory/5004-1-0x0000000074B70000-0x0000000074BA0000-memory.dmp

Filesize
192KB

Download
memory/5004-3-0x00000000017D0000-0x00000000017D6000-memory.dmp

Filesize
24KB

Download