dridex | 3b824e590415a39bfadffd942d75fbf3a052569d8f7983e3d7f72d2df8ac9759

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:14

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General

Target

JaffaCakes118_3b824e590415a39bfadffd942d75fbf3a052569d8f7983e3d7f72d2df8ac9759.dll
Size

184KB
MD5

76340052c3892dd16793ab7af8da78ea
SHA1

d5123d3e41663a2b7e1cb1a2c65a2130319fb27e
SHA256

3b824e590415a39bfadffd942d75fbf3a052569d8f7983e3d7f72d2df8ac9759
SHA512

e2489a511e93df0d0d3d5e3c3567043fcec6544e6d313fa06d738fe293c9984bbe2123de4fcb0a5daab287ba458fdf26f091403ddfc133ad45b0c765eaac23b9
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JDa//2uFrSc:mfYOX+wTScR/Xzku9LVwouG

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/2680-1-0x00000000747B0000-0x00000000747DF000-memory.dmp	dridex_ldr
behavioral1/memory/2680-2-0x00000000747B0000-0x00000000747DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2508	2680	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 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2988 wrote to memory of 2680	2988	rundll32.exe	30
PID 2680 wrote to memory of 2508	2680	rundll32.exe	32
PID 2680 wrote to memory of 2508	2680	rundll32.exe	32
PID 2680 wrote to memory of 2508	2680	rundll32.exe	32
PID 2680 wrote to memory of 2508	2680	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b824e590415a39bfadffd942d75fbf3a052569d8f7983e3d7f72d2df8ac9759.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b824e590415a39bfadffd942d75fbf3a052569d8f7983e3d7f72d2df8ac9759.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 220
    3⤵
    - Program crash
    PID:2508

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/2680-0-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2680-1-0x00000000747B0000-0x00000000747DF000-memory.dmp

Filesize
188KB

Download
memory/2680-2-0x00000000747B0000-0x00000000747DF000-memory.dmp

Filesize
188KB

Download
memory/2680-4-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download