dridex | 0ed2ce70b17e3c2ab44a041ce022d8ba0dd74bae6a4778071dbba8d1f276c52e

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 09:13

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General

Target

a43b7c1fff94a3a2c9cda875dc21e5bc57819537d1f6b9f9b91271e895201638.dll
Size

604KB
MD5

2901a3d99aeb6d2231f77ed1787a6a44
SHA1

d5b8701ce4f615d0c9c427b060edfa398dd1df62
SHA256

a43b7c1fff94a3a2c9cda875dc21e5bc57819537d1f6b9f9b91271e895201638
SHA512

c3dd61e13fd28cf03400bccac710c4a3aa05e71fadaa9bb1e381a86c761f90c33a0c5c5ca8f6393c50e60b379c818d54c93cac384e5a2ee95ab6fefb9c52c578
SSDEEP

12288:9uIB/bwMtjp4CqwqyaXPLAfx38TW9DiWUT2tq017JGoLbqW/I:I6b4wqyaDA5sTWiXT2tq07G2v/I

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
3	2196	rundll32.exe
5	2196	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 2184 wrote to memory of 2196	2184	rundll32.exe	30
PID 2184 wrote to memory of 2196	2184	rundll32.exe	30
PID 2184 wrote to memory of 2196	2184	rundll32.exe	30
PID 2184 wrote to memory of 2196	2184	rundll32.exe	30
PID 2184 wrote to memory of 2196	2184	rundll32.exe	30
PID 2184 wrote to memory of 2196	2184	rundll32.exe	30
PID 2184 wrote to memory of 2196	2184	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a43b7c1fff94a3a2c9cda875dc21e5bc57819537d1f6b9f9b91271e895201638.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a43b7c1fff94a3a2c9cda875dc21e5bc57819537d1f6b9f9b91271e895201638.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2196

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/2196-0-0x0000000001FE0000-0x0000000002110000-memory.dmp

Filesize
1.2MB

Download
memory/2196-2-0x0000000001FE0000-0x0000000002110000-memory.dmp

Filesize
1.2MB

Download
memory/2196-5-0x0000000002073000-0x0000000002079000-memory.dmp

Filesize
24KB

Download
memory/2196-6-0x0000000001FE0000-0x0000000002110000-memory.dmp

Filesize
1.2MB

Download
memory/2196-3-0x0000000001FE0000-0x0000000002110000-memory.dmp

Filesize
1.2MB

Download
memory/2196-7-0x0000000001FE0000-0x0000000002110000-memory.dmp

Filesize
1.2MB

Download