dridex | 11a796292aced5a713251ae6da4329fc6bea7b6e843a8ae493c7db4a2a862181

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-12-2023 21:00

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General

Target

9d6d2e3d5cd27fcec3a875c7cf8b7062.dll
Size

620KB
MD5

9d6d2e3d5cd27fcec3a875c7cf8b7062
SHA1

d7421db843961ca54c296b79cc2e78aa14ea79aa
SHA256

11a796292aced5a713251ae6da4329fc6bea7b6e843a8ae493c7db4a2a862181
SHA512

a79ef4024f74b0ba9591648427135e2b5a46ed0aa9caed39f756971599370fa7113775c9603d526c73c0c6fecc33dd7fa589c7bb52a51b44ca2bd2698efa539b
SSDEEP

12288:SE6rSip4Ybs3j09TMmonCh5atbz9+eoQoUZpDd7Da1nX9y1DO/zFZx:YeL93j0dMZnCutz4zI5xDwXUNm

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

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 2352 rundll32.exe
5 2352 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

flow	pid	process
3	2352	rundll32.exe
5	2352	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe
PID 2332 wrote to memory of 2352	2332	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d6d2e3d5cd27fcec3a875c7cf8b7062.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d6d2e3d5cd27fcec3a875c7cf8b7062.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2352

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2352-0-0x0000000000B70000-0x0000000000CA9000-memory.dmp

Filesize
1.2MB

Download
memory/2352-2-0x0000000000B70000-0x0000000000CA9000-memory.dmp

Filesize
1.2MB

Download
memory/2352-3-0x0000000000B70000-0x0000000000CA9000-memory.dmp

Filesize
1.2MB

Download
memory/2352-5-0x0000000000B70000-0x0000000000CA9000-memory.dmp

Filesize
1.2MB

Download
memory/2352-6-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2352-7-0x0000000000B70000-0x0000000000CA9000-memory.dmp

Filesize
1.2MB

Download