dridex | 1dbc34fc510152f569e7d347c3706e8048e1695cfc262a1f4d0cddd4db4b2d9d

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
26-12-2024 23:30

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General

Target

JaffaCakes118_1dbc34fc510152f569e7d347c3706e8048e1695cfc262a1f4d0cddd4db4b2d9d.dll
Size

184KB
MD5

c2577659a97967c4be5da798373be6a1
SHA1

44ebf4d7b28a6d8478ec0097a4a64e07c0c3cd02
SHA256

1dbc34fc510152f569e7d347c3706e8048e1695cfc262a1f4d0cddd4db4b2d9d
SHA512

47ae4361c189e5c5df5136e7c72315a1ef9cff5c9ec0d95ff3cef726ee731840748323db850d2a63fbe17fd74910469e8e5c06f1d7a0a3013830814439fc98a5
SSDEEP

3072:yiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaomlzoxss7:yiLVCIT4WK2z1W+CUHZj4Skq/eao0oC

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/2524-1-0x00000000753B0000-0x00000000753DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2524	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 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2516 wrote to memory of 2524	2516	rundll32.exe	31
PID 2524 wrote to memory of 2552	2524	rundll32.exe	32
PID 2524 wrote to memory of 2552	2524	rundll32.exe	32
PID 2524 wrote to memory of 2552	2524	rundll32.exe	32
PID 2524 wrote to memory of 2552	2524	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1dbc34fc510152f569e7d347c3706e8048e1695cfc262a1f4d0cddd4db4b2d9d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1dbc34fc510152f569e7d347c3706e8048e1695cfc262a1f4d0cddd4db4b2d9d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 220
    3⤵
    - Program crash
    PID:2552

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/2524-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2524-1-0x00000000753B0000-0x00000000753DF000-memory.dmp

Filesize
188KB

Download
memory/2524-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download