dridex | 15aca3163e8b04f670baf5c09a8d4a9f248b1489c649612d7d0ccf8869c97344

Analysis

max time kernel
104s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 04:56

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General

Target

f14a98fb355d64876bc3299767d26e40N.dll
Size

184KB
MD5

f14a98fb355d64876bc3299767d26e40
SHA1

475bae97015a290a15d8fdf0644d234e711a23ed
SHA256

15aca3163e8b04f670baf5c09a8d4a9f248b1489c649612d7d0ccf8869c97344
SHA512

93b7a68da73a48cd638a3592db86ab8f2fcd6528eaaa9fd91b996a4b292367d9aa94e8299a8e5a19fd5ff3278d77a048a9d59171ebfbc790b0b2c90c3b84070c
SSDEEP

3072:YJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JTa//2uFrSc:1fYOX+wTScR/Xzku9LVwIuG

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/2424-1-0x00000000756F0000-0x000000007571F000-memory.dmp	dridex_ldr
behavioral2/memory/2424-2-0x00000000756F0000-0x000000007571F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4640	2424	WerFault.exe	84

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4696 wrote to memory of 2424	4696	rundll32.exe	84
PID 4696 wrote to memory of 2424	4696	rundll32.exe	84
PID 4696 wrote to memory of 2424	4696	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f14a98fb355d64876bc3299767d26e40N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f14a98fb355d64876bc3299767d26e40N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 624
    3⤵
    - Program crash
    PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2424 -ip 2424
1⤵
PID:2748

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/2424-0-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x00000000756F0000-0x000000007571F000-memory.dmp

Filesize
188KB

Download
memory/2424-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2424-2-0x00000000756F0000-0x000000007571F000-memory.dmp

Filesize
188KB

Download