dridex | 4204f3c581c7a2f7a2686cfdb514e50a0506a8c6cfa4882497a9b31f3ef4c859

Analysis

max time kernel
72s
max time network
73s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:10

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General

Target

4204f3c581c7a2f7a2686cfdb514e50a0506a8c6cfa4882497a9b31f3ef4c859.dll
Size

162KB
MD5

c05f94dd5a5d59cbe3a18917d970f8d5
SHA1

2339650553d8400a1408cfbe86e40411f3156530
SHA256

4204f3c581c7a2f7a2686cfdb514e50a0506a8c6cfa4882497a9b31f3ef4c859
SHA512

b1492086a5efc5d2b143fb694069015961e4791c43d31984a8f523d6113d8760258195a66d928a2c410d820a9264f6921d583355da41729fb40e6398853d1391

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/4016-115-0x0000000074390000-0x00000000743BE000-memory.dmp	dridex_ldr

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

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 632 wrote to memory of 4016	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 4016	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 4016	632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4204f3c581c7a2f7a2686cfdb514e50a0506a8c6cfa4882497a9b31f3ef4c859.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4204f3c581c7a2f7a2686cfdb514e50a0506a8c6cfa4882497a9b31f3ef4c859.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4016

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4016-114-0x0000000000000000-mapping.dmp

Download
memory/4016-115-0x0000000074390000-0x00000000743BE000-memory.dmp

Filesize
184KB

Download
memory/4016-117-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

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