dridex | eefce4f90f924f1ff4e3ef858483bb80f855ee5817b7be3645e4461f9146a2c6

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 06:16

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General

Target

JaffaCakes118_eefce4f90f924f1ff4e3ef858483bb80f855ee5817b7be3645e4461f9146a2c6.dll
Size

184KB
MD5

92bde63dacb0169992f24bd04e01883e
SHA1

1ea7c2f37be3fd2d8a6874918d8c98101186d33b
SHA256

eefce4f90f924f1ff4e3ef858483bb80f855ee5817b7be3645e4461f9146a2c6
SHA512

75a3297562ebe9a04db2d9a8d859b4fede6f800596a10cfecf024e91e883c9ed7004dfe08ad1ca9b58382721c9ca49b6788e98a904838b9ea62878f4553a2648
SSDEEP

3072:jW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmbWx9ixCH0u:68qh+66QsRdNiBW/06ngmbWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2312-1-0x00000000749D0000-0x0000000074A00000-memory.dmp	dridex_ldr
behavioral1/memory/2312-2-0x00000000749D0000-0x0000000074A00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	2312	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 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 1924 wrote to memory of 2312	1924	rundll32.exe	30
PID 2312 wrote to memory of 2520	2312	rundll32.exe	32
PID 2312 wrote to memory of 2520	2312	rundll32.exe	32
PID 2312 wrote to memory of 2520	2312	rundll32.exe	32
PID 2312 wrote to memory of 2520	2312	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eefce4f90f924f1ff4e3ef858483bb80f855ee5817b7be3645e4461f9146a2c6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eefce4f90f924f1ff4e3ef858483bb80f855ee5817b7be3645e4461f9146a2c6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 220
    3⤵
    - Program crash
    PID:2520

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/2312-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x00000000749D0000-0x0000000074A00000-memory.dmp

Filesize
192KB

Download
memory/2312-2-0x00000000749D0000-0x0000000074A00000-memory.dmp

Filesize
192KB

Download
memory/2312-4-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download