dridex | 431498cf5d36a42a52c46b274b9904c60d969f323fd65862845afa8d87f4a4c0

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 16:31

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General

Target

JaffaCakes118_431498cf5d36a42a52c46b274b9904c60d969f323fd65862845afa8d87f4a4c0.dll
Size

184KB
MD5

38aaf2c88c6ed12ef6224f3b59b21e0a
SHA1

7f53495536075f2c670cb5efbc751e2ee74a0699
SHA256

431498cf5d36a42a52c46b274b9904c60d969f323fd65862845afa8d87f4a4c0
SHA512

762c48866bb9649d526b643e44f297b37d77d6a3d119cce95d2ede00a1b33b59d2350b60f3ec289c37da38e923934ce2d44750f1855efaeae7135b10da843ab3
SSDEEP

3072:BiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoKlzoxss7:BiLVCIT4WK2z1W+CUHZj4Skq/eaoAoC

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
behavioral2/memory/1984-1-0x0000000075830000-0x000000007585F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	1984	WerFault.exe	82

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 4052 wrote to memory of 1984	4052	rundll32.exe	82
PID 4052 wrote to memory of 1984	4052	rundll32.exe	82
PID 4052 wrote to memory of 1984	4052	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_431498cf5d36a42a52c46b274b9904c60d969f323fd65862845afa8d87f4a4c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_431498cf5d36a42a52c46b274b9904c60d969f323fd65862845afa8d87f4a4c0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 616
    3⤵
    - Program crash
    PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1984 -ip 1984
1⤵
PID:1728

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/1984-0-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/1984-1-0x0000000075830000-0x000000007585F000-memory.dmp

Filesize
188KB

Download
memory/1984-3-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download