dridex | 35ba8d3140ddf894db539477c990727b111e2c6da609b9a7fcc315ce4f9d984c

Analysis

max time kernel
19s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 18:09

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General

Target

35ba8d3140ddf894db539477c990727b111e2c6da609b9a7fcc315ce4f9d984c.dll
Size

158KB
MD5

3e64d940cabe2c5ffec84037e91493d2
SHA1

9b397d71afa6e68b7473ea36fcbd9a371cba9225
SHA256

35ba8d3140ddf894db539477c990727b111e2c6da609b9a7fcc315ce4f9d984c
SHA512

e09d1845685ec233a7cf0768169cc4737774ffd0121a91687944f9e33c004c57c123a7c941ed9b2b7f918039f73fd6e8971463ba1f124aa8595bd236b3c3b2a3

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/3220-115-0x00000000736D0000-0x00000000736FD000-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 3560 wrote to memory of 3220	3560	rundll32.exe	rundll32.exe
PID 3560 wrote to memory of 3220	3560	rundll32.exe	rundll32.exe
PID 3560 wrote to memory of 3220	3560	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35ba8d3140ddf894db539477c990727b111e2c6da609b9a7fcc315ce4f9d984c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\35ba8d3140ddf894db539477c990727b111e2c6da609b9a7fcc315ce4f9d984c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3220

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/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-115-0x00000000736D0000-0x00000000736FD000-memory.dmp

Filesize
180KB

Download
memory/3220-117-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download