dridex | bee7050122d0f8521a11ee7f2e63c70007b217b7558a49629f7a6450a447b74a

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 20:24

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General

Target

2_kbd101c.dll
Size

180KB
MD5

13607671c64e6859be1f83fb324344f9
SHA1

6ef50dbb7dff8dd9e860fd1c5b36a4f3df1c2863
SHA256

b8e4c68f8843fe8f2f12d5cc636c824a338ddaa24feee9e9e5e380169b07b231
SHA512

4f466b28d492ef583c2a35998eeaf8645b4afe50fc47aa93de6e8b5a504f420b4ba90e2c0be47469135031f43f79aeb3cbd7662eb5b096385be903724bae4bd7
SSDEEP

3072:/qdhtjVkooePHOHX9s/4R1ltAeSKt84r5AMUpbSPS:CgopPu3q/4FCur5AMC2P

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

178.62.205.130:443

45.90.108.123:13786

198.199.98.78:9217

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
behavioral2/memory/4208-1-0x00000000750E0000-0x000000007510F000-memory.dmp	dridex_ldr
behavioral2/memory/4208-2-0x00000000750E0000-0x000000007510F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2580	4208	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 652 wrote to memory of 4208	652	rundll32.exe	83
PID 652 wrote to memory of 4208	652	rundll32.exe	83
PID 652 wrote to memory of 4208	652	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2_kbd101c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2_kbd101c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 628
    3⤵
    - Program crash
    PID:2580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4208 -ip 4208
1⤵
PID:636

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/4208-0-0x00000000013F0000-0x00000000013F6000-memory.dmp

Filesize
24KB

Download
memory/4208-1-0x00000000750E0000-0x000000007510F000-memory.dmp

Filesize
188KB

Download
memory/4208-3-0x00000000013F0000-0x00000000013F6000-memory.dmp

Filesize
24KB

Download
memory/4208-2-0x00000000750E0000-0x000000007510F000-memory.dmp

Filesize
188KB

Download