dridex | be09da0a54ed1e52b6d1ca10d522a7d382c8070dec23171a9dc2809502bd4bf6

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 21:24

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General

Target

be09da0a54ed1e52b6d1ca10d522a7d382c8070dec23171a9dc2809502bd4bf6.dll
Size

608KB
MD5

962e010e43d25c7a10816b1b7c6f9539
SHA1

5030733b734dacc143358811fb6504aa0daef4d4
SHA256

be09da0a54ed1e52b6d1ca10d522a7d382c8070dec23171a9dc2809502bd4bf6
SHA512

f0412d632de3654be6032c88520393b64b133340f8aff90f7b3d2a64ede681573dc124aae2053eb4a73358dc8721c6a6bd9c650ef6d5d12827a19a91fd679829
SSDEEP

12288:iZGQdqOGmdJqydLqQSeCqsVK8kPRGO35N9mVNzXc64:iZ0SWjeCVVK8kP9N9oR2

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
Dridex family
dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

19 3044 rundll32.exe
41 3044 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

flow	pid	process
19	3044	rundll32.exe
41	3044	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	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	target process
PID 2988 wrote to memory of 3044	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 3044	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 3044	2988	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be09da0a54ed1e52b6d1ca10d522a7d382c8070dec23171a9dc2809502bd4bf6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be09da0a54ed1e52b6d1ca10d522a7d382c8070dec23171a9dc2809502bd4bf6.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3044

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/3044-1-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/3044-2-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/3044-5-0x0000000002084000-0x000000000208A000-memory.dmp

Filesize
24KB

Download
memory/3044-6-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/3044-7-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download