dridex | f35d337c247cebccc925b7152e9aa2baebed566dab52a8a1f447d2ff098a67cd

Analysis

max time kernel
27s
max time network
150s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 14:24

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General

Target

f35d337c247cebccc925b7152e9aa2baebed566dab52a8a1f447d2ff098a67cd.dll
Size

158KB
MD5

cf255ba7b9589f15faa46ddfb7ca1020
SHA1

915c6ee59ebb1795f83561653b85eb790f539fe9
SHA256

f35d337c247cebccc925b7152e9aa2baebed566dab52a8a1f447d2ff098a67cd
SHA512

3eb58d2ed816858e90d1095e5dbfee2f7b7986fffe0b1c08402cc2f49e998d3bf75770c42fcc6f434b1b25628f0602bbe647bdbdc84148c46c8a2aadbf22937f

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/1388-115-0x0000000073C70000-0x0000000073C9D000-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 396 wrote to memory of 1388	396	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 1388	396	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 1388	396	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f35d337c247cebccc925b7152e9aa2baebed566dab52a8a1f447d2ff098a67cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f35d337c247cebccc925b7152e9aa2baebed566dab52a8a1f447d2ff098a67cd.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1388

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/1388-114-0x0000000000000000-mapping.dmp

Download
memory/1388-115-0x0000000073C70000-0x0000000073C9D000-memory.dmp

Filesize
180KB

Download
memory/1388-117-0x0000000000640000-0x000000000078A000-memory.dmp

Filesize
1.3MB

Download