dridex | a52a1ef7f77e478a4f372b00edf68f82f54a2ab30ff22b626152064e8c7771aa

Analysis

max time kernel
24s
max time network
32s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:22

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General

Target

a52a1ef7f77e478a4f372b00edf68f82f54a2ab30ff22b626152064e8c7771aa.dll
Size

162KB
MD5

7309aa992131bf8015d7515d33e609d6
SHA1

c45a6373602c7df2ea6ec2763fe8fc66782d0901
SHA256

a52a1ef7f77e478a4f372b00edf68f82f54a2ab30ff22b626152064e8c7771aa
SHA512

3e666866bf4ea7aee0e9f7b72d96d13d4a2a750011a3852f271ebdf6de78e9b55aa5ec8e24735929470d5124db2452cd41625cd28efc60c55f4e1b3b141aa710

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/4452-115-0x0000000074290000-0x00000000742BE000-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 4436 wrote to memory of 4452	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4452	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4452	4436	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a52a1ef7f77e478a4f372b00edf68f82f54a2ab30ff22b626152064e8c7771aa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a52a1ef7f77e478a4f372b00edf68f82f54a2ab30ff22b626152064e8c7771aa.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4452

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/4452-114-0x0000000000000000-mapping.dmp

Download
memory/4452-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Filesize
184KB

Download
memory/4452-117-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download