dridex | 73bf0f2fa6edfaa32194ca5654c6bc9b82149a60f14d4d78278ced15e634f839

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:20

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General

Target

JaffaCakes118_73bf0f2fa6edfaa32194ca5654c6bc9b82149a60f14d4d78278ced15e634f839.dll
Size

184KB
MD5

d6a1676bda8dabddc77b4db83486b595
SHA1

90f7a282f05ed274e40b90f7abe6f73685906ef2
SHA256

73bf0f2fa6edfaa32194ca5654c6bc9b82149a60f14d4d78278ced15e634f839
SHA512

77d7d96d4737282eaa06b7136c204393f3cbd65a59e4612489883e83eebe38490e1f8c098dea6d14b3c476f642f3043d055ad0e7f79348a161886c60d0d4931a
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jca//2uFrSc:mfYOX+wTScR/Xzku9LVwruG

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/1972-1-0x0000000074D00000-0x0000000074D2F000-memory.dmp	dridex_ldr
behavioral1/memory/1972-2-0x0000000074D00000-0x0000000074D2F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	1972	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 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	30
PID 1972 wrote to memory of 1100	1972	rundll32.exe	31
PID 1972 wrote to memory of 1100	1972	rundll32.exe	31
PID 1972 wrote to memory of 1100	1972	rundll32.exe	31
PID 1972 wrote to memory of 1100	1972	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73bf0f2fa6edfaa32194ca5654c6bc9b82149a60f14d4d78278ced15e634f839.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73bf0f2fa6edfaa32194ca5654c6bc9b82149a60f14d4d78278ced15e634f839.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 220
    3⤵
    - Program crash
    PID:1100

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/1972-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1972-1-0x0000000074D00000-0x0000000074D2F000-memory.dmp

Filesize
188KB

Download
memory/1972-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1972-2-0x0000000074D00000-0x0000000074D2F000-memory.dmp

Filesize
188KB

Download