dridex | b02699df99a176e500176fdc66dc5bece1274f058e5c6cc54d5ffb950a6defd7

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
30/12/2024, 20:54 UTC

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General

Target

JaffaCakes118_b02699df99a176e500176fdc66dc5bece1274f058e5c6cc54d5ffb950a6defd7.dll
Size

188KB
MD5

f438451e6156d6b0e560aa5247572275
SHA1

def99f5081ca58a6afea6d488062b02c5f45131b
SHA256

b02699df99a176e500176fdc66dc5bece1274f058e5c6cc54d5ffb950a6defd7
SHA512

2ce368752b2593120eca7f9e49ae9ebd11d82e0438ece5e391faa9d02225b219d810c001346a3b277db59f8f2643ecaf9b5129593eab3f14ef81e00b852e5944
SSDEEP

3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoPo:zzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2004-1-0x0000000075410000-0x0000000075440000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2920	2004	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 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2600 wrote to memory of 2004	2600	rundll32.exe	30
PID 2004 wrote to memory of 2920	2004	rundll32.exe	32
PID 2004 wrote to memory of 2920	2004	rundll32.exe	32
PID 2004 wrote to memory of 2920	2004	rundll32.exe	32
PID 2004 wrote to memory of 2920	2004	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b02699df99a176e500176fdc66dc5bece1274f058e5c6cc54d5ffb950a6defd7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b02699df99a176e500176fdc66dc5bece1274f058e5c6cc54d5ffb950a6defd7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 300
    3⤵
    - Program crash
    PID:2920

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/2004-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2004-1-0x0000000075410000-0x0000000075440000-memory.dmp

Filesize
192KB

Download
memory/2004-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download