dridex | dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999

Analysis

max time kernel
27s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:04

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General

Target

dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999.dll
Size

162KB
MD5

57273b23b63a362afc51feb30e7d63e3
SHA1

57cfef0507aae132ec010ef48f6dfdd7c6fe7b0a
SHA256

dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999
SHA512

2e4936e3701c9c63074dd0e02073f1e13fbf941cb0f45c9604ed89018af500e6f4fd4ff9e0cc6fab4a92cc7fa170fb9a1cef288af0bb207380dad0cc193f25ce

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
behavioral2/memory/4064-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 4064	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4064	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4064	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4064

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/4064-114-0x0000000000000000-mapping.dmp

Download
memory/4064-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Filesize
184KB

Download
memory/4064-117-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download