dridex | a5fa0f4fc94b83e5ff0a55a02e25af4842991bdfb2d0cb0168129f288060b8a3

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:40

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General

Target

JaffaCakes118_a5fa0f4fc94b83e5ff0a55a02e25af4842991bdfb2d0cb0168129f288060b8a3.dll
Size

184KB
MD5

c9d8d3351880035f85b01b99db4486cc
SHA1

e1fbb0b9479cfcca9e29853b099f82c8e11e8583
SHA256

a5fa0f4fc94b83e5ff0a55a02e25af4842991bdfb2d0cb0168129f288060b8a3
SHA512

04beb534973dbefcc00f76ce8f4d7f4efc3f1d93c9f263d65bb07b12e70a383c29b940cde7709629e7123c2d6a5c45345f57b5d1f056ef2c5ee851b36765ac43
SSDEEP

3072:uiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoWlzoxss7:uiLVCIT4WK2z1W+CUHZj4Skq/eaoEoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2856-0-0x00000000748B0000-0x00000000748DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1996	2856	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 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2980 wrote to memory of 2856	2980	rundll32.exe	31
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32
PID 2856 wrote to memory of 1996	2856	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5fa0f4fc94b83e5ff0a55a02e25af4842991bdfb2d0cb0168129f288060b8a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5fa0f4fc94b83e5ff0a55a02e25af4842991bdfb2d0cb0168129f288060b8a3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 220
    3⤵
    - Program crash
    PID:1996

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/2856-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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memory/2856-0-0x00000000748B0000-0x00000000748DF000-memory.dmp

Filesize
188KB

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