dridex | d5eaba97fef8b04e882f8c94169a119cbd9fb3236ef60d067edfdec53d1fc379

Analysis

max time kernel
36s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:29

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General

Target
d5eaba97fef8b04e882f8c94169a119cbd9fb3236ef60d067edfdec53d1fc379.dll
Size 188KB
Sample210224-dmc3rv6yvs
SHA256 d5eaba97fef8b04e882f8c94169a119cbd9fb3236ef60d067edfdec53d1fc379
MD5 7a0b14d47704ad8d6bbccab31ac7d786
SHA1 8ed947bfc6ac8a18f96eaed93d65922b288be6a7
SHA512 5c5f1d05c74b166899804e87e96c56d5cca020bb0c1b51fde3b1f590dc9be11e58676727863db7c2d71339ea1d56237d5b77617c6a064a484f6f7c90f7f57232
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1512-3-0x0000000074260000-0x0000000074291000-memory.dmp	dridex_ldr
behavioral2/memory/1512-5-0x0000000074260000-0x000000007427F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	1512	rundll32.exe
17	1512	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 3 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 1512	648	rundll32.exe	71
PID 648 wrote to memory of 1512	648	rundll32.exe	71
PID 648 wrote to memory of 1512	648	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5eaba97fef8b04e882f8c94169a119cbd9fb3236ef60d067edfdec53d1fc379.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5eaba97fef8b04e882f8c94169a119cbd9fb3236ef60d067edfdec53d1fc379.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1512

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

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Downloads

memory/1512-3-0x0000000074260000-0x0000000074291000-memory.dmp

Download

memory/1512-4-0x00000000029F0000-0x00000000029F6000-memory.dmp

Download

memory/1512-5-0x0000000074260000-0x000000007427F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads