dridex | a25feb680c1087e07c59286a343017f8276304af67b013b6e54ed256420a9ae6

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 23:36

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General

Target

9da04220ddb4b8ca65e041cc785e93f82d18879caed1eac8a079182898acb2aa.dll
Size

608KB
MD5

36376b2d7dafb8b9709bbba538430d7e
SHA1

3a4a43dbd54604c3dd2c1480bd2268502fc5f03f
SHA256

9da04220ddb4b8ca65e041cc785e93f82d18879caed1eac8a079182898acb2aa
SHA512

ce398b2d960c62aec0fc0953d46b075bbbdb2331142e979adb58ec69e11b71d96d430e62f39c669a93f2648f287ae4113898c459a5a7a7ef1d0dd87bdf93cbec
SSDEEP

12288:ZZGQdqOGnWJqydLqQSeCqsVK8kPRGO35N9mVCzXc6a:ZZ0OWjeCVVK8kP9N9oGc

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

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

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
20	4576	rundll32.exe
58	4576	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 976 wrote to memory of 4576	976	rundll32.exe	84
PID 976 wrote to memory of 4576	976	rundll32.exe	84
PID 976 wrote to memory of 4576	976	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9da04220ddb4b8ca65e041cc785e93f82d18879caed1eac8a079182898acb2aa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9da04220ddb4b8ca65e041cc785e93f82d18879caed1eac8a079182898acb2aa.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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/4576-3-0x0000000000494000-0x000000000049A000-memory.dmp

Filesize
24KB

Download
memory/4576-4-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4576-0-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4576-5-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download