dridex | 9f4dcb0755be3a25db6af11e2c05f3e90869635237f4088ce06c2c92330c7942

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:01

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General

Target

JaffaCakes118_9f4dcb0755be3a25db6af11e2c05f3e90869635237f4088ce06c2c92330c7942.dll
Size

184KB
MD5

a6459d93fbb58c7b084786a4ba4fe2a9
SHA1

7df654dd3269dcc27dcb48d114eb1594dc62fe5b
SHA256

9f4dcb0755be3a25db6af11e2c05f3e90869635237f4088ce06c2c92330c7942
SHA512

2b99fcf0efa53025414bd62e35bfaa37458a12d98e448eb6d03ad8101f9b6552fa16c8117252823e9481c34aeb76cf3d5d1a9efdaabf9ec8806a0a198e58f35d
SSDEEP

3072:HiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoYlzoxss7:HiLVCIT4WK2z1W+CUHZj4Skq/eaoGoC

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/3008-0-0x0000000074EC0000-0x0000000074EEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	3008	WerFault.exe	29

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 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 2388 wrote to memory of 3008	2388	rundll32.exe	29
PID 3008 wrote to memory of 2860	3008	rundll32.exe	30
PID 3008 wrote to memory of 2860	3008	rundll32.exe	30
PID 3008 wrote to memory of 2860	3008	rundll32.exe	30
PID 3008 wrote to memory of 2860	3008	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f4dcb0755be3a25db6af11e2c05f3e90869635237f4088ce06c2c92330c7942.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f4dcb0755be3a25db6af11e2c05f3e90869635237f4088ce06c2c92330c7942.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 224
    3⤵
    - Program crash
    PID:2860

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/3008-0-0x0000000074EC0000-0x0000000074EEF000-memory.dmp

Filesize
188KB

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memory/3008-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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