dridex | 685383806b5d5a2b658a8a1a5dc07b89698d493840946251092fe103e4a1ac21

Analysis

max time kernel
19s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 10:45

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General

Target

685383806b5d5a2b658a8a1a5dc07b89698d493840946251092fe103e4a1ac21.dll
Size

158KB
MD5

43c690783f3ef2ba5ddec3ce87e4b55e
SHA1

cf87b339dd691fee13f0a02e59589f7d58a0ecf8
SHA256

685383806b5d5a2b658a8a1a5dc07b89698d493840946251092fe103e4a1ac21
SHA512

c4f8ec6aaec388e09d486c28923022a12562a15a047ca7673abb0aa892f815f4022179d9c99925bcd9bdd535d3b95c32f8cdf89270ad43db7a997746696aa6eb

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/3088-115-0x0000000073E80000-0x0000000073EAD000-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 1852 wrote to memory of 3088	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 3088	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 3088	1852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\685383806b5d5a2b658a8a1a5dc07b89698d493840946251092fe103e4a1ac21.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\685383806b5d5a2b658a8a1a5dc07b89698d493840946251092fe103e4a1ac21.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3088

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3088-114-0x0000000000000000-mapping.dmp

Download
memory/3088-115-0x0000000073E80000-0x0000000073EAD000-memory.dmp

Filesize
180KB

Download
memory/3088-117-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download