dridex | b4c804499847dcdefe7d09467666430809618815aed869e5ad99ffe46fff738a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 15:12

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General

Target

JaffaCakes118_b4c804499847dcdefe7d09467666430809618815aed869e5ad99ffe46fff738a.dll
Size

184KB
MD5

0b7321aa4b1c7af48bed4da4f7a76ab4
SHA1

1b53e319b7186513f8c8c6e2ee28fa35bdccc870
SHA256

b4c804499847dcdefe7d09467666430809618815aed869e5ad99ffe46fff738a
SHA512

f00b98f163821be9380bc99a4dbd2ca2a4ede472eb16fc13b13f14af0f2dd7e25e19332952dd585d2a133233dea72a90fa3ec644032b6328bbf6d6cfee0ee2d4
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoUlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoqoC

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/2172-1-0x0000000074CD0000-0x0000000074CFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2172	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 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2100 wrote to memory of 2172	2100	rundll32.exe	30
PID 2172 wrote to memory of 2716	2172	rundll32.exe	32
PID 2172 wrote to memory of 2716	2172	rundll32.exe	32
PID 2172 wrote to memory of 2716	2172	rundll32.exe	32
PID 2172 wrote to memory of 2716	2172	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4c804499847dcdefe7d09467666430809618815aed869e5ad99ffe46fff738a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4c804499847dcdefe7d09467666430809618815aed869e5ad99ffe46fff738a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 220
    3⤵
    - Program crash
    PID:2716

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/2172-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000074CD0000-0x0000000074CFF000-memory.dmp

Filesize
188KB

Download
memory/2172-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download