dridex | 9aeb31452dd9ba6f20bdf561061003783add26b92d0c6c766ca8b840d586d26e

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:56

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General

Target

JaffaCakes118_9aeb31452dd9ba6f20bdf561061003783add26b92d0c6c766ca8b840d586d26e.dll
Size

184KB
MD5

8e215c5fffec0d0686028a9000472a83
SHA1

5a6a2fc220d2df0d85b86eaa23327566196a7a32
SHA256

9aeb31452dd9ba6f20bdf561061003783add26b92d0c6c766ca8b840d586d26e
SHA512

a47d7e185fafff4b0e70a57de9ef9de5cc5eed0983e18623f37164de49e5242fb2fc43525b33be02c6bc49f8ac97a386971592c99f09d89899663d98a64565af
SSDEEP

3072:fiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoWlzoxss7:fiLVCIT4WK2z1W+CUHZj4Skq/eaoEoC

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/1020-1-0x0000000075060000-0x000000007508F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2240	1020	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 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 3036 wrote to memory of 1020	3036	rundll32.exe	30
PID 1020 wrote to memory of 2240	1020	rundll32.exe	31
PID 1020 wrote to memory of 2240	1020	rundll32.exe	31
PID 1020 wrote to memory of 2240	1020	rundll32.exe	31
PID 1020 wrote to memory of 2240	1020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9aeb31452dd9ba6f20bdf561061003783add26b92d0c6c766ca8b840d586d26e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9aeb31452dd9ba6f20bdf561061003783add26b92d0c6c766ca8b840d586d26e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 220
    3⤵
    - Program crash
    PID:2240

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/1020-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1020-1-0x0000000075060000-0x000000007508F000-memory.dmp

Filesize
188KB

Download
memory/1020-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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