dridex | af3c57b18d35f88f076c5b15fd7cc814d4e7724037158d7e5a3facf9bece3d26

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7v20201028
submitted
18/11/2020, 10:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
353b8dd09d93ae66264c55e038c756bf.dll
Size 599KB
Sample201118-eel7qavkds
SHA256 af3c57b18d35f88f076c5b15fd7cc814d4e7724037158d7e5a3facf9bece3d26
MD5 353b8dd09d93ae66264c55e038c756bf
SHA1 0a9f66a155ccbef2fa4f0528018b9b6e6096fb93
SHA512 d4d767470ca70e7d53e11b859827d1ae3997ce8156724dc08c1e925aeb5af3b774964b49830de0a647230db36c13ed0aae8f93cf7282b867337833ffada64a40
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.53:443
172.96.190.154:4664
209.126.111.137:33443
167.99.158.82:33443

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

resource	yara_rule
behavioral1/memory/1072-1-0x0000000000280000-0x00000000002BD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1072	rundll32.exe
7	1072	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26
PID 1080 wrote to memory of 1072	1080	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\353b8dd09d93ae66264c55e038c756bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\353b8dd09d93ae66264c55e038c756bf.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1072-1-0x0000000000280000-0x00000000002BD000-memory.dmp

Download

memory/1684-2-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp