dridex | 26d97ab5294bb301c0efc87e6b385c7cb89e39f43234dde03bbbdc5f89ccc90f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 08:11

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General

Target
e7c5dd664f4e33effac80b406b6e6fe0N.dll
Size 188KB
Sample240907-j3rjpstgnc
SHA256 26d97ab5294bb301c0efc87e6b385c7cb89e39f43234dde03bbbdc5f89ccc90f
MD5 e7c5dd664f4e33effac80b406b6e6fe0
SHA1 f08c30da985b11739ee245348a7ad904c65da63c
SHA512 686cba4544f80bee9c5839cd32ff1002648ab124bae4e085165fd33e7f18754b4f845f3c0cd9ea0f323c349057cf4c1b058c8666d70993db98a0878c79eefbf4
SSDEEP 3072:PteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Xq7fYIHBZkTB6DWruUCOwjt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443
45.32.243.209:8116
207.180.208.54:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1100-0-0x0000000074E10000-0x0000000074E40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4464	1100	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 1100	2592	rundll32.exe	83
PID 2592 wrote to memory of 1100	2592	rundll32.exe	83
PID 2592 wrote to memory of 1100	2592	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7c5dd664f4e33effac80b406b6e6fe0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7c5dd664f4e33effac80b406b6e6fe0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 696
    3⤵
    - Program crash
    PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1100 -ip 1100
1⤵
PID:5048

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/1100-0-0x0000000074E10000-0x0000000074E40000-memory.dmp

Download

memory/1100-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp