dridex | 6c4818f40bf9e05743c8fd65c8e99b797ff381f9f0bef834163e4715888a580b

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 03:26

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General

Target

JaffaCakes118_6c4818f40bf9e05743c8fd65c8e99b797ff381f9f0bef834163e4715888a580b.dll
Size

188KB
MD5

e8d09520246ca7e0570442da8da6b1ee
SHA1

555c2cd57e745b09ece2ef6a15ddd1cadd74c45a
SHA256

6c4818f40bf9e05743c8fd65c8e99b797ff381f9f0bef834163e4715888a580b
SHA512

25bec3cfbcad64159a1b9f9ab43ff9c7e8349cff6d2bda744d7d31f4ca40e53000674520688355b46f57126b906d73ad55be87798d7abbb23ae578ecb3acac17
SSDEEP

3072:pA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoSo:pzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2700-1-0x0000000075310000-0x0000000075340000-memory.dmp	dridex_ldr
behavioral1/memory/2700-2-0x0000000075310000-0x0000000075340000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2700	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 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2684 wrote to memory of 2700	2684	rundll32.exe	31
PID 2700 wrote to memory of 2696	2700	rundll32.exe	32
PID 2700 wrote to memory of 2696	2700	rundll32.exe	32
PID 2700 wrote to memory of 2696	2700	rundll32.exe	32
PID 2700 wrote to memory of 2696	2700	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c4818f40bf9e05743c8fd65c8e99b797ff381f9f0bef834163e4715888a580b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c4818f40bf9e05743c8fd65c8e99b797ff381f9f0bef834163e4715888a580b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 300
    3⤵
    - Program crash
    PID:2696

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/2700-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2700-1-0x0000000075310000-0x0000000075340000-memory.dmp

Filesize
192KB

Download
memory/2700-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2700-2-0x0000000075310000-0x0000000075340000-memory.dmp

Filesize
192KB

Download