dridex | f139f6b0215de467f6bada5965a5f70eb7bd360fbaf009bdba68f8a7d5f219c9

Analysis

max time kernel
19s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 08:58

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General

Target

f139f6b0215de467f6bada5965a5f70eb7bd360fbaf009bdba68f8a7d5f219c9.dll
Size

158KB
MD5

046928337a52d2f08e96aac4b533954b
SHA1

6b5a7a6648e6b3b0783070b46933d9d3ac2dbf6e
SHA256

f139f6b0215de467f6bada5965a5f70eb7bd360fbaf009bdba68f8a7d5f219c9
SHA512

7d0db6e497eb8bde0b7bf64fb297f44fa1dc40df22f20974fb1a095731eb59fe29190cae96a8169da7f6e5676dadf622459e7e8e76540da54c6478a411966854

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/3264-115-0x0000000073A10000-0x0000000073A3D000-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 3916 wrote to memory of 3264	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 3264	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 3264	3916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f139f6b0215de467f6bada5965a5f70eb7bd360fbaf009bdba68f8a7d5f219c9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f139f6b0215de467f6bada5965a5f70eb7bd360fbaf009bdba68f8a7d5f219c9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3264

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/3264-114-0x0000000000000000-mapping.dmp

Download
memory/3264-115-0x0000000073A10000-0x0000000073A3D000-memory.dmp

Filesize
180KB

Download
memory/3264-117-0x0000000000470000-0x00000000005BA000-memory.dmp

Filesize
1.3MB

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