dridex | a300bc43b34be6dbb5da18701e1e93533b0fb3e8da96878ec10f1f2edf0b1c2c

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 22:50

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General

Target

15bdbdf885173d325fbb3a77bea1ee60N.dll
Size

188KB
MD5

15bdbdf885173d325fbb3a77bea1ee60
SHA1

183994b5640d37265301f926640269d43b0c30bf
SHA256

a300bc43b34be6dbb5da18701e1e93533b0fb3e8da96878ec10f1f2edf0b1c2c
SHA512

7fa9f205b60573e0ce9ab352e1e73f370402941f046b00d8e7088dbf515eb8957797d6d1376676d5918e09a5ad82e508c7c3af75140c0bc9a4558e5d583b89eb
SSDEEP

3072:1hYiCQXKgH7xFjsDlyk+AZ6cGdgwQDDu15/aE8tMgrkVCuLnT:n7xFGlyfAZ5DDuLymzT

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

134.209.182.12:443

188.40.100.254:4664

103.109.247.9:10443

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
behavioral1/memory/2988-1-0x00000000750E0000-0x0000000075110000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2580	2988	WerFault.exe	30

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 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2988 wrote to memory of 2580	2988	rundll32.exe	32
PID 2988 wrote to memory of 2580	2988	rundll32.exe	32
PID 2988 wrote to memory of 2580	2988	rundll32.exe	32
PID 2988 wrote to memory of 2580	2988	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15bdbdf885173d325fbb3a77bea1ee60N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\15bdbdf885173d325fbb3a77bea1ee60N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 252
    3⤵
    - Program crash
    PID:2580

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/2988-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x00000000750E0000-0x0000000075110000-memory.dmp

Filesize
192KB

Download
memory/2988-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download