dridex | a02ede1b995902679f2505cccbefa6c15e90b05c6c6cfed82616c202c5e110e3

Analysis

max time kernel
142s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 20:03

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General

Target

a02ede1b995902679f2505cccbefa6c15e90b05c6c6cfed82616c202c5e110e3.dll
Size

154KB
MD5

111fcb63c0a49e0c4379cd4c586fcfb5
SHA1

2fe4a8afc412b4047322447a940e5f59489a094c
SHA256

a02ede1b995902679f2505cccbefa6c15e90b05c6c6cfed82616c202c5e110e3
SHA512

1899d8d1959d2806e2867fe5006d3945ed8096b8683afaf977dbdc9a5566700d4e71f6ec4ac9b82309b8eea7df31df8fb351d115120e2c263ef885b2953af158

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
behavioral2/memory/416-115-0x0000000074420000-0x000000007444D000-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 2116 wrote to memory of 416	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 416	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 416	2116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a02ede1b995902679f2505cccbefa6c15e90b05c6c6cfed82616c202c5e110e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a02ede1b995902679f2505cccbefa6c15e90b05c6c6cfed82616c202c5e110e3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:416

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/416-114-0x0000000000000000-mapping.dmp

Download
memory/416-115-0x0000000074420000-0x000000007444D000-memory.dmp

Filesize
180KB

Download
memory/416-117-0x0000000000770000-0x00000000008BA000-memory.dmp

Filesize
1.3MB

Download