dridex | 3f73a3884f63aed2129e107f23a33b58bd46b357a54618b4577fc862a8b23ac3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-10-2024 05:51

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General

Target

7bff5016cd06a6fe1bdfdb438797ee5d_JaffaCakes118.dll
Size

184KB
MD5

7bff5016cd06a6fe1bdfdb438797ee5d
SHA1

b5cfb7c69d64a49b6ff40d8ddf8eada103381270
SHA256

3f73a3884f63aed2129e107f23a33b58bd46b357a54618b4577fc862a8b23ac3
SHA512

84a55d3e991b872c133e3c12e31ae103574b4bc9e5eb47aad258616a353e95885da21ffead98ad27c7916488e2a1c13ce763794190b8e312db4359183023a1f8
SSDEEP

3072:Lb51A6VG71Eq55xw1jgDlO1poE2rm4coM+cxJdfhRlfg5e:Lb7tghEq3xw1j4kpP2rmLffxvfhRlfe

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

Processes:

resource	yara_rule
behavioral1/memory/2172-1-0x00000000752B0000-0x00000000752E0000-memory.dmp	dridex_ldr
behavioral1/memory/2172-2-0x00000000752B0000-0x00000000752E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1096	2172	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2756 wrote to memory of 2172	2756	rundll32.exe	31
PID 2172 wrote to memory of 1096	2172	rundll32.exe	32
PID 2172 wrote to memory of 1096	2172	rundll32.exe	32
PID 2172 wrote to memory of 1096	2172	rundll32.exe	32
PID 2172 wrote to memory of 1096	2172	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bff5016cd06a6fe1bdfdb438797ee5d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bff5016cd06a6fe1bdfdb438797ee5d_JaffaCakes118.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:1096

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/2172-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x00000000752B0000-0x00000000752E0000-memory.dmp

Filesize
192KB

Download
memory/2172-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2172-2-0x00000000752B0000-0x00000000752E0000-memory.dmp

Filesize
192KB

Download