dridex | 7bbe546e2f5367c00bb05a53f122756098df9c75019167455c3bffa73e11a7e1

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 03:22

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General

Target

JaffaCakes118_4aa41378b7c700010b1a3ec72a588306.dll
Size

180KB
MD5

4aa41378b7c700010b1a3ec72a588306
SHA1

3d9ca1eb8a16c0350c233f291c399b177cccc980
SHA256

7bbe546e2f5367c00bb05a53f122756098df9c75019167455c3bffa73e11a7e1
SHA512

aa61fce6f9430580cd5c8f4a9b1d7d9781b96371cd4da00a4ed4bf6c16c872b6d20f291663bbd0a8ab84f1ed9e5bd8e2f4558395150f764e94648d9c05d94eee
SSDEEP

3072:qFp0m9FOGDv64TOvqdjR91E404PUW6bKHJZK0Bzb5jea:qFp0bG6q7040aBfK0db5

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

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/1604-1-0x0000000075170000-0x000000007519F000-memory.dmp	dridex_ldr
behavioral1/memory/1604-2-0x0000000075170000-0x000000007519F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
328	1604	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 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 1604 wrote to memory of 328	1604	rundll32.exe	32
PID 1604 wrote to memory of 328	1604	rundll32.exe	32
PID 1604 wrote to memory of 328	1604	rundll32.exe	32
PID 1604 wrote to memory of 328	1604	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4aa41378b7c700010b1a3ec72a588306.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4aa41378b7c700010b1a3ec72a588306.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 244
    3⤵
    - Program crash
    PID:328

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/1604-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1604-1-0x0000000075170000-0x000000007519F000-memory.dmp

Filesize
188KB

Download
memory/1604-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1604-2-0x0000000075170000-0x000000007519F000-memory.dmp

Filesize
188KB

Download