dridex | d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea

Analysis

max time kernel
116s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.dll
Size

154KB
MD5

91309c0a617e662120395ab72b6e8bd4
SHA1

a12c7e440cebc710f11f55f5064f5147b73f9408
SHA256

d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea
SHA512

e08377f245c7a922bc9bf96aeebce6a7ef1f7b9c8daa5e554a9f9268226cc811c74d1f45e87f2c8ef80e260fc5af6d240414686ab57059c06978d70f6268c8db

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/3636-115-0x0000000074300000-0x000000007432D000-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 3876 wrote to memory of 3636	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 3636	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 3636	3876	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3636

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/3636-114-0x0000000000000000-mapping.dmp

Download
memory/3636-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/3636-117-0x0000000002800000-0x000000000294A000-memory.dmp

Filesize
1.3MB

Download