dridex | 979fc4489385279b8146bbb9d87e74b1c183b8cc46ba0508be0be4a763d9461b

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:12

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General

Target

JaffaCakes118_979fc4489385279b8146bbb9d87e74b1c183b8cc46ba0508be0be4a763d9461b.dll
Size

188KB
MD5

9a05708aa7969b4da17938e3cc0ac8b3
SHA1

7e9dc5bf1f7bf555605bb2dfc18e4fde9bd64840
SHA256

979fc4489385279b8146bbb9d87e74b1c183b8cc46ba0508be0be4a763d9461b
SHA512

0c73d5a793bf1b5b1d86479c69ee79a139608115c8e0c16739ffd07ef8ec88676a84a8cad1216894cdc522722556f72d3e1cac7674e3880967025157f46d52fa
SSDEEP

3072:KA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoEo:KzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/1700-1-0x0000000074D00000-0x0000000074D30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	1700	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 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1700 wrote to memory of 2124	1700	rundll32.exe	31
PID 1700 wrote to memory of 2124	1700	rundll32.exe	31
PID 1700 wrote to memory of 2124	1700	rundll32.exe	31
PID 1700 wrote to memory of 2124	1700	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_979fc4489385279b8146bbb9d87e74b1c183b8cc46ba0508be0be4a763d9461b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_979fc4489385279b8146bbb9d87e74b1c183b8cc46ba0508be0be4a763d9461b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 300
    3⤵
    - Program crash
    PID:2124

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/1700-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1700-1-0x0000000074D00000-0x0000000074D30000-memory.dmp

Filesize
192KB

Download
memory/1700-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download