dridex | 8d19e2bcb03810cbf85be4f1ada87b9d3e9ca0e39942095b9b8b53969e43f419

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
24/12/2024, 09:29 UTC

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General

Target

JaffaCakes118_8d19e2bcb03810cbf85be4f1ada87b9d3e9ca0e39942095b9b8b53969e43f419.dll
Size

188KB
MD5

17e88e4981d930ae40573b63681614c7
SHA1

abc8f77f254c77ffc7bb64603268dbfe44e100f3
SHA256

8d19e2bcb03810cbf85be4f1ada87b9d3e9ca0e39942095b9b8b53969e43f419
SHA512

c4b215f2ea3c6936bf042a2faa0ffab3aa881bb080b01db435af761ef667425836547643d8925410a87d76479af364ce340feb7f08f034d767b761f7d35b728b
SSDEEP

3072:xA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoJo:xzIqATVfQeV2FZalKq6jtGJWuTmd

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

1
KyrwRFvnPSJz1K6RG9FGBnfutYq4Kbv0AqNO1y41Jw

rc4.plain

1
aF35v54BafRSuy5kKzAyL5d7iE2gSrPPvsMOuf22FPl0HHQhMRlw8iMYOHxIDusi

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/1964-1-0x0000000074AB0000-0x0000000074AE0000-memory.dmp	dridex_ldr
behavioral1/memory/1964-2-0x0000000074AB0000-0x0000000074AE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	1964	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

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 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 2340 wrote to memory of 1964	2340	rundll32.exe	31
PID 1964 wrote to memory of 2416	1964	rundll32.exe	32
PID 1964 wrote to memory of 2416	1964	rundll32.exe	32
PID 1964 wrote to memory of 2416	1964	rundll32.exe	32
PID 1964 wrote to memory of 2416	1964	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d19e2bcb03810cbf85be4f1ada87b9d3e9ca0e39942095b9b8b53969e43f419.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d19e2bcb03810cbf85be4f1ada87b9d3e9ca0e39942095b9b8b53969e43f419.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 300
    3⤵
    - Program crash
    PID:2416

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/1964-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1964-1-0x0000000074AB0000-0x0000000074AE0000-memory.dmp

Filesize
192KB

Download
memory/1964-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1964-2-0x0000000074AB0000-0x0000000074AE0000-memory.dmp

Filesize
192KB

Download