dridex | 777104ecc8d21f627280f456c0b94c6cab908ec21e900680f7db419d4d38cb12

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 15:27

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General

Target

JaffaCakes118_777104ecc8d21f627280f456c0b94c6cab908ec21e900680f7db419d4d38cb12.dll
Size

184KB
MD5

a5591424c06c3aff91556c337a79eb46
SHA1

cea86993ae5333a2fd35bb97dc94187a97175760
SHA256

777104ecc8d21f627280f456c0b94c6cab908ec21e900680f7db419d4d38cb12
SHA512

af4fe8aea3c1589b911681cf8ea89c7002efccbdfb01efb480d6d4b781fb86404f80783a1737c0b3db51ebbf1922c51e4d608b80cca8cefe8c969d89bbb8446b
SSDEEP

3072:tiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaojlzoxss7:tiLVCIT4WK2z1W+CUHZj4Skq/eao5oC

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/1864-1-0x0000000074B30000-0x0000000074B5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1836	1864	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 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 2336 wrote to memory of 1864	2336	rundll32.exe	30
PID 1864 wrote to memory of 1836	1864	rundll32.exe	32
PID 1864 wrote to memory of 1836	1864	rundll32.exe	32
PID 1864 wrote to memory of 1836	1864	rundll32.exe	32
PID 1864 wrote to memory of 1836	1864	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_777104ecc8d21f627280f456c0b94c6cab908ec21e900680f7db419d4d38cb12.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_777104ecc8d21f627280f456c0b94c6cab908ec21e900680f7db419d4d38cb12.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 220
    3⤵
    - Program crash
    PID:1836

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/1864-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1864-1-0x0000000074B30000-0x0000000074B5F000-memory.dmp

Filesize
188KB

Download
memory/1864-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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