dridex | 2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 01:18

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General

Target

2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f.dll
Size

158KB
MD5

ad5cf7fa1bfcf6452f5ad9783f023354
SHA1

b681346fafec4177f69a0394beaeecc136970561
SHA256

2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f
SHA512

ca8ff199a17220955e77b86244e91ec61ee25c30d471a0ab3b268392ce5edbc69ffbe876f24b26eb5de9786174f38d0332ba4bb00925ae2b5b1d58aaec4bcdd8

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/1332-115-0x0000000074450000-0x000000007447D000-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 648 wrote to memory of 1332	648	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 1332	648	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 1332	648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1332

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/1332-114-0x0000000000000000-mapping.dmp

Download
memory/1332-115-0x0000000074450000-0x000000007447D000-memory.dmp

Filesize
180KB

Download
memory/1332-117-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download