dridex | a51bf475a014b7354538fa9240f97b893cfdbad1a9f3e52efe86f31cb4eede05

Analysis

max time kernel
36s
max time network
43s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:07

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General

Target

a51bf475a014b7354538fa9240f97b893cfdbad1a9f3e52efe86f31cb4eede05.dll
Size

154KB
MD5

5853846e6c5063c7d9b6f21dee78fede
SHA1

731d53a7753babd8bc9370ccc05dddf139e79304
SHA256

a51bf475a014b7354538fa9240f97b893cfdbad1a9f3e52efe86f31cb4eede05
SHA512

3335a56cf402ab7571c00e65640184c4f7fd1174c9b8e0d853e407a5b35363ced8400aa4b44abb7eeeb956572a9571947c8ce82d5f669c7dbe4a89fc92636a94

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1160-115-0x0000000073F10000-0x0000000073F3D000-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 472 wrote to memory of 1160	472	rundll32.exe	rundll32.exe
PID 472 wrote to memory of 1160	472	rundll32.exe	rundll32.exe
PID 472 wrote to memory of 1160	472	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a51bf475a014b7354538fa9240f97b893cfdbad1a9f3e52efe86f31cb4eede05.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:472

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a51bf475a014b7354538fa9240f97b893cfdbad1a9f3e52efe86f31cb4eede05.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1160

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/1160-114-0x0000000000000000-mapping.dmp

Download
memory/1160-115-0x0000000073F10000-0x0000000073F3D000-memory.dmp

Filesize
180KB

Download
memory/1160-117-0x0000000003000000-0x000000000314A000-memory.dmp

Filesize
1.3MB

Download