dridex | 9bc7a09197b831cabb805ccf254287fa1dcf4f8d342d334ce6271028b0e3c645

Analysis

max time kernel
124s
max time network
141s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 07:03

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General

Target

9bc7a09197b831cabb805ccf254287fa1dcf4f8d342d334ce6271028b0e3c645.dll
Size

608KB
MD5

a0cd9337944c56930ef6017d5ba105c2
SHA1

b594125bffe24ef1d75e6298fe04607d6ee730fe
SHA256

9bc7a09197b831cabb805ccf254287fa1dcf4f8d342d334ce6271028b0e3c645
SHA512

a04a610cf0f0aef40e9e1cd50b4502709a84efd3e45bc32a52760338c61b6d1aaaccca620771ef9d6df33be027d8b6c41c2609a7544392f049e5e950af3f82c6

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

28 1804 rundll32.exe
29 1804 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
28	1804	rundll32.exe
29	1804	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3580 wrote to memory of 1804	3580	rundll32.exe	rundll32.exe
PID 3580 wrote to memory of 1804	3580	rundll32.exe	rundll32.exe
PID 3580 wrote to memory of 1804	3580	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bc7a09197b831cabb805ccf254287fa1dcf4f8d342d334ce6271028b0e3c645.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3580

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bc7a09197b831cabb805ccf254287fa1dcf4f8d342d334ce6271028b0e3c645.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1804-115-0x0000000000000000-mapping.dmp

Download
memory/1804-116-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1804-117-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1804-118-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1804-121-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/1804-120-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/1804-122-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/1804-192-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download