dridex | 3be64bfdb9dbf60970d3b2053ca3dc928667bc39f7fba273316c5fb5623e9102

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
19-06-2021 22:32

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General

Target

3be64bfdb9dbf60970d3b2053ca3dc928667bc39f7fba273316c5fb5623e9102.dll
Size

158KB
MD5

8a5440b8c301b0e79e30647d313226a4
SHA1

0a1da0a4ea4147d0b7456506ee344697faedfc16
SHA256

3be64bfdb9dbf60970d3b2053ca3dc928667bc39f7fba273316c5fb5623e9102
SHA512

19c3d3809e2ddc80ee58ff1d8a64d4ed87da878f70e46d0207f19b0c0b5960e8f58a0e866a1f825ae0642ebca7b39693273568871fd0a12067ca343c210707a4

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/4048-115-0x0000000073F20000-0x0000000073F4D000-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 2256 wrote to memory of 4048	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 4048	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 4048	2256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3be64bfdb9dbf60970d3b2053ca3dc928667bc39f7fba273316c5fb5623e9102.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3be64bfdb9dbf60970d3b2053ca3dc928667bc39f7fba273316c5fb5623e9102.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4048

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/4048-114-0x0000000000000000-mapping.dmp

Download
memory/4048-115-0x0000000073F20000-0x0000000073F4D000-memory.dmp

Filesize
180KB

Download
memory/4048-117-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download