dridex | 9f8cf58c852b9448573df7275489d91824c2b16c1a4fb63d2c4f0a2114219ddc

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
10-09-2024 04:53

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General

Target

20d7e4cc2f0cb7ccb0952ef6268bcb80N.dll
Size

277KB
MD5

20d7e4cc2f0cb7ccb0952ef6268bcb80
SHA1

f7e9464c812339ff160b3087508a1f161538e4da
SHA256

9f8cf58c852b9448573df7275489d91824c2b16c1a4fb63d2c4f0a2114219ddc
SHA512

128518bee5a6c4ccd9938655e4b9960659fb0a8bfafede35ef9a0e4dd4ed45a2024d0237293bb15875cdeccaea785f18403e2cb542a60d16eedc2342ae3e3c29
SSDEEP

6144:RzWxkOP4p2EesvcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEl:ASOP47es0e6yHPJo3d0KJ4z1WE9au/4L

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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

Processes:

resource	yara_rule
behavioral2/memory/1804-0-0x0000000074B70000-0x0000000074BA1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
636	1804	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

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 4468 wrote to memory of 1804	4468	rundll32.exe	83
PID 4468 wrote to memory of 1804	4468	rundll32.exe	83
PID 4468 wrote to memory of 1804	4468	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\20d7e4cc2f0cb7ccb0952ef6268bcb80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\20d7e4cc2f0cb7ccb0952ef6268bcb80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 636
    3⤵
    - Program crash
    PID:636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1804 -ip 1804
1⤵
PID:3112

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/1804-0-0x0000000074B70000-0x0000000074BA1000-memory.dmp

Filesize
196KB

Download
memory/1804-2-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download