dridex | 3543b385b9c6f3624fa83fc84925bd456b2088b1f8cd02a1f5d7eb6ea5a74c33

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 13:45

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General

Target

JaffaCakes118_3543b385b9c6f3624fa83fc84925bd456b2088b1f8cd02a1f5d7eb6ea5a74c33.dll
Size

184KB
MD5

2c136393ec245d09bd17d84063dd7259
SHA1

569047757f6d0ba3436779dd64826e95a6c20e48
SHA256

3543b385b9c6f3624fa83fc84925bd456b2088b1f8cd02a1f5d7eb6ea5a74c33
SHA512

2cf03c96538470389ccc9c10033744be4a20b54a48217a8506e9eada013ef2702a4d8b3c56c1da680b193e9171472e9461b1105bf09ca8e3946b0f189f7e6a09
SSDEEP

3072:biLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoHlzoxss7:biLVCIT4WK2z1W+CUHZj4Skq/eao1oC

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/2236-1-0x0000000074730000-0x000000007475F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2236	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 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2236 wrote to memory of 2552	2236	rundll32.exe	32
PID 2236 wrote to memory of 2552	2236	rundll32.exe	32
PID 2236 wrote to memory of 2552	2236	rundll32.exe	32
PID 2236 wrote to memory of 2552	2236	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3543b385b9c6f3624fa83fc84925bd456b2088b1f8cd02a1f5d7eb6ea5a74c33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3543b385b9c6f3624fa83fc84925bd456b2088b1f8cd02a1f5d7eb6ea5a74c33.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -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/2236-2-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

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memory/2236-1-0x0000000074730000-0x000000007475F000-memory.dmp

Filesize
188KB

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