dridex | b25a3fbaa113bbdff3ea5f3844990ab69e5c5525f8a3b3f3ba92068bead73a24

Analysis

max time kernel
25s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
23/05/2021, 18:01

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General

Target
63b66242_by_Libranalysis.dll
Size 162KB
Sample210523-vrybbeka5x
SHA256 b25a3fbaa113bbdff3ea5f3844990ab69e5c5525f8a3b3f3ba92068bead73a24
MD5 63b662426c6acb11420ec6e2eaec3e26
SHA1 01148aee4874e032b2e5acdd5f0f4e87519d2d06
SHA512 731518af193f430803842abed8fedac07b965b4bd2c81772debba6f74499dc3f531c6f7c44b8d6f569a099b4e987a9200c2e6f77200cd618cb726c547b49f862
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/3996-115-0x0000000073990000-0x00000000739BE000-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 2544 wrote to memory of 3996	2544	rundll32.exe	70
PID 2544 wrote to memory of 3996	2544	rundll32.exe	70
PID 2544 wrote to memory of 3996	2544	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63b66242_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\63b66242_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3996

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/3996-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/3996-117-0x0000000001000000-0x00000000010AE000-memory.dmp