dridex | 24749cb17a511bbd5ceda113c762e72a374c89d527b2a9c24bea0bb6f5992e2b

Analysis

max time kernel
112s
max time network
140s
platform
windows10_x64
resource
win10v20210408
submitted
14-10-2021 07:04

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General

Target

24749cb17a511bbd5ceda113c762e72a374c89d527b2a9c24bea0bb6f5992e2b.dll
Size

608KB
MD5

bec8a846de1019be9a43b4eb22f78e48
SHA1

eefa4360657e2cc017b0f788c1abb0a45295d5d2
SHA256

24749cb17a511bbd5ceda113c762e72a374c89d527b2a9c24bea0bb6f5992e2b
SHA512

ea91ddd2b459aa4315fea33a2f0319399e4fd0f26225de5e0fee7ed4c8255b6972f74fb5bb7eb5e910f02953c1200b78b608ecc1ea6ffb91183a50920bb3d67a

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

32 3176 rundll32.exe
34 3176 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
32	3176	rundll32.exe
34	3176	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 568 wrote to memory of 3176	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 3176	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 3176	568	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24749cb17a511bbd5ceda113c762e72a374c89d527b2a9c24bea0bb6f5992e2b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24749cb17a511bbd5ceda113c762e72a374c89d527b2a9c24bea0bb6f5992e2b.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3176

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/3176-114-0x0000000000000000-mapping.dmp

Download
memory/3176-115-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3176-116-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3176-117-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3176-120-0x0000000003190000-0x0000000003191000-memory.dmp

Filesize
4KB

Download
memory/3176-119-0x0000000003190000-0x0000000003191000-memory.dmp

Filesize
4KB

Download
memory/3176-122-0x0000000003190000-0x0000000003191000-memory.dmp

Filesize
4KB

Download
memory/3176-121-0x0000000003130000-0x000000000327A000-memory.dmp

Filesize
1.3MB

Download