dridex | 4b57d337bb07dbc01e135b2ada415c024b9a0d89e8e391a9474ef461f741dca1

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:49

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General

Target

JaffaCakes118_4b57d337bb07dbc01e135b2ada415c024b9a0d89e8e391a9474ef461f741dca1.dll
Size

188KB
MD5

177f842a41a9c6d9b3c9d6c11019f43e
SHA1

ff1e43fa038c5f22aea04139d991a5771c8eab35
SHA256

4b57d337bb07dbc01e135b2ada415c024b9a0d89e8e391a9474ef461f741dca1
SHA512

56df14e9f3f876cdc791122af0550ec337319ab098666002a5cc85f3b35ba2ed9268f95812de2b7186da1ad5d9b5d67ecd1ab99f030456da889e159b99d7730c
SSDEEP

3072:NA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:NzIqATVfQeV2FZalKq6jtGJWuTmd

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/2760-1-0x0000000074CD0000-0x0000000074D00000-memory.dmp	dridex_ldr
behavioral1/memory/2760-2-0x0000000074CD0000-0x0000000074D00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	2760	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 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 3052 wrote to memory of 2760	3052	rundll32.exe	31
PID 2760 wrote to memory of 2764	2760	rundll32.exe	32
PID 2760 wrote to memory of 2764	2760	rundll32.exe	32
PID 2760 wrote to memory of 2764	2760	rundll32.exe	32
PID 2760 wrote to memory of 2764	2760	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b57d337bb07dbc01e135b2ada415c024b9a0d89e8e391a9474ef461f741dca1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b57d337bb07dbc01e135b2ada415c024b9a0d89e8e391a9474ef461f741dca1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 300
    3⤵
    - Program crash
    PID:2764

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/2760-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2760-1-0x0000000074CD0000-0x0000000074D00000-memory.dmp

Filesize
192KB

Download
memory/2760-2-0x0000000074CD0000-0x0000000074D00000-memory.dmp

Filesize
192KB

Download
memory/2760-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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