dridex | dd9d7dffb8ea86886419091dbddf76720f48c98e4063e1d9cce0c91664aced5d

Analysis

max time kernel
120s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 23:25

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General

Target
dd9d7dffb8ea86886419091dbddf76720f48c98e4063e1d9cce0c91664aced5d.dll
Size 162KB
Sample210420-c95yk4541j
SHA256 dd9d7dffb8ea86886419091dbddf76720f48c98e4063e1d9cce0c91664aced5d
MD5 a20f6ba4d68d253cae8e76156181566c
SHA1 9abd779168cc9ec2e24b47230dd7c61845012efc
SHA512 8694ce568f0ecbddbce8f7a10034eefbe543a9b4b76aa9bc047c2ce16ca90125b9eac60eb455a8cfde28349d34d974e3b18a4fcf15755f2f2c98fa820063a2cf
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/772-115-0x0000000074300000-0x000000007432E000-memory.dmp	dridex_ldr

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 3876 wrote to memory of 772	3876	rundll32.exe	69
PID 3876 wrote to memory of 772	3876	rundll32.exe	69
PID 3876 wrote to memory of 772	3876	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd9d7dffb8ea86886419091dbddf76720f48c98e4063e1d9cce0c91664aced5d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd9d7dffb8ea86886419091dbddf76720f48c98e4063e1d9cce0c91664aced5d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:772

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/772-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/772-117-0x0000000000400000-0x000000000054A000-memory.dmp