dridex | 67b7f8fc1ca50eb2e1beee65b75ce8fb7d3d48716028eb581dd53c63ce1f4491

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 18:59

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General

Target

cab5e2072573443e8e4047c7afb3856f501c62d8bc6578da915c2a4338cfa724.dll
Size

608KB
MD5

ae02a764db8c2684bccad1ca79594ecc
SHA1

4fa9703316c92a23f8c8662fe500108675902981
SHA256

cab5e2072573443e8e4047c7afb3856f501c62d8bc6578da915c2a4338cfa724
SHA512

3a81350511543d3acbe974c8118f8cf86404b04e322fd8f9a645f40c5ee4e76ef6860051f418cd894f4de97981f7f3317b52ad745a61f3043e4598b41336faff
SSDEEP

12288:1ZGQdqOGxWJqydLqQSeCqsVK8kPRGO35N9mV2zXc6/:1Z00WjeCVVK8kP9N9oSt

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 4 IoCs

Processes:

rundll32.exe

flow	pid	Process
3	2812	rundll32.exe
5	2812	rundll32.exe
6	2812	rundll32.exe
7	2812	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 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30
PID 2856 wrote to memory of 2812	2856	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab5e2072573443e8e4047c7afb3856f501c62d8bc6578da915c2a4338cfa724.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab5e2072573443e8e4047c7afb3856f501c62d8bc6578da915c2a4338cfa724.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2812

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/2812-0-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/2812-2-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/2812-3-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/2812-6-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download
memory/2812-5-0x0000000002084000-0x000000000208A000-memory.dmp

Filesize
24KB

Download
memory/2812-7-0x0000000001FF0000-0x0000000002124000-memory.dmp

Filesize
1.2MB

Download