dridex | 87a4bb7a3cb96a618dc5151d029e5f4a3ddd7d43444d6d37eedec1a4feaa096a

Analysis

max time kernel
25s
max time network
124s
platform
windows10_x64
resource
win10v20210408
submitted
27-06-2021 04:25

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General

Target

87a4bb7a3cb96a618dc5151d029e5f4a3ddd7d43444d6d37eedec1a4feaa096a.dll
Size

158KB
MD5

04af60a744998fe0aa9e135564eeec33
SHA1

aa94539145748f3b8473120995ae26a9fb8fcb9e
SHA256

87a4bb7a3cb96a618dc5151d029e5f4a3ddd7d43444d6d37eedec1a4feaa096a
SHA512

36accd28853f50bb5eeedc0f4676615d10d406ca7dd2d235607887a9629359057340590c784482cf1f4422b75df3fb705e18782048e8d5d5fc6a42537667568b

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/1212-115-0x0000000073FB0000-0x0000000073FDD000-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 1212	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1212	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1212	632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87a4bb7a3cb96a618dc5151d029e5f4a3ddd7d43444d6d37eedec1a4feaa096a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87a4bb7a3cb96a618dc5151d029e5f4a3ddd7d43444d6d37eedec1a4feaa096a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1212

Network

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/1212-114-0x0000000000000000-mapping.dmp

Download
memory/1212-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

Filesize
180KB

Download
memory/1212-117-0x00000000040E0000-0x00000000040E6000-memory.dmp

Filesize
24KB

Download