dridex | 7dc48f1c23ce6b136ff658e3ba05df7e85c021c32be2123e1113ab17b93f4443

Analysis

max time kernel
96s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 16:37

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General

Target

7dc48f1c23ce6b136ff658e3ba05df7e85c021c32be2123e1113ab17b93f4443.dll
Size

184KB
MD5

97e2ba1a50710d19322a0268e20aa596
SHA1

da46be711cb9ff5ab60fca0986e146feeb154570
SHA256

7dc48f1c23ce6b136ff658e3ba05df7e85c021c32be2123e1113ab17b93f4443
SHA512

3b54af6ca9ed5ae410d8c09135a2e9b7cf183235f699bcbcbc1fce9f4d2a8e84cc0aa42c1dd6e28934c911129040edb916c77ac8e87463c65b03679b8c5e80e5
SSDEEP

3072:RiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoslzoxss7:RiLVCIT4WK2z1W+CUHZj4Skq/eaoSoC

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
behavioral2/memory/4272-1-0x0000000075590000-0x00000000755BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	4272	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 4528 wrote to memory of 4272	4528	rundll32.exe	83
PID 4528 wrote to memory of 4272	4528	rundll32.exe	83
PID 4528 wrote to memory of 4272	4528	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dc48f1c23ce6b136ff658e3ba05df7e85c021c32be2123e1113ab17b93f4443.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dc48f1c23ce6b136ff658e3ba05df7e85c021c32be2123e1113ab17b93f4443.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 616
    3⤵
    - Program crash
    PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4272 -ip 4272
1⤵
PID:392

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/4272-0-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/4272-1-0x0000000075590000-0x00000000755BF000-memory.dmp

Filesize
188KB

Download
memory/4272-3-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

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