dridex | 4db8d1e3bcddc476c01703f191917aef4c9f538cb8ba2a940054cb3b0f0b5785

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
23/12/2024, 22:07

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General

Target

JaffaCakes118_4db8d1e3bcddc476c01703f191917aef4c9f538cb8ba2a940054cb3b0f0b5785.dll
Size

184KB
MD5

36e5dfcdfe9bfe80d2ecd7538307d787
SHA1

8b776dbba1c9d181be086e6184972b291c1f165b
SHA256

4db8d1e3bcddc476c01703f191917aef4c9f538cb8ba2a940054cb3b0f0b5785
SHA512

8eb297f98577719d43ab49b11e35e2b37c3d71fc350c40a0a02195a58c5de4e6008e0933440b366840746f964e9ea6616d67931ca59830497ba91bf52abce363
SSDEEP

3072:SJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Joa//2uFrSc:TfYOX+wTScR/Xzku9LVw7uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2948-1-0x0000000075290000-0x00000000752BF000-memory.dmp	dridex_ldr
behavioral1/memory/2948-2-0x0000000075290000-0x00000000752BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2324	2948	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 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 2948 wrote to memory of 2324	2948	rundll32.exe	32
PID 2948 wrote to memory of 2324	2948	rundll32.exe	32
PID 2948 wrote to memory of 2324	2948	rundll32.exe	32
PID 2948 wrote to memory of 2324	2948	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4db8d1e3bcddc476c01703f191917aef4c9f538cb8ba2a940054cb3b0f0b5785.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4db8d1e3bcddc476c01703f191917aef4c9f538cb8ba2a940054cb3b0f0b5785.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 220
    3⤵
    - Program crash
    PID:2324

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/2948-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2948-1-0x0000000075290000-0x00000000752BF000-memory.dmp

Filesize
188KB

Download
memory/2948-2-0x0000000075290000-0x00000000752BF000-memory.dmp

Filesize
188KB

Download
memory/2948-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download