dridex | fd08d0380d9b250dd6864ff5691b5fc159275e1bab2aeea8d8115f1c48a0ead2

Analysis

max time kernel
20s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 19:47

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General

Target
fd08d0380d9b250dd6864ff5691b5fc159275e1bab2aeea8d8115f1c48a0ead2.dll
Size 162KB
Sample210418-2h8nadd3ve
SHA256 fd08d0380d9b250dd6864ff5691b5fc159275e1bab2aeea8d8115f1c48a0ead2
MD5 0bf511f12a553a3cba99eac92d798d18
SHA1 6f41b3b2ba5815b02a49b3e91b6093577186e814
SHA512 6ccf2d036a1496caa7faec668aabe9142f75ccd16b1559261e21443d5122fbe221b2a989154a86c840f679d0e63a4d174f9859139082364e16e4d5b414115de2
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/3900-115-0x0000000073860000-0x000000007388E000-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 1968 wrote to memory of 3900	1968	rundll32.exe	51
PID 1968 wrote to memory of 3900	1968	rundll32.exe	51
PID 1968 wrote to memory of 3900	1968	rundll32.exe	51

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd08d0380d9b250dd6864ff5691b5fc159275e1bab2aeea8d8115f1c48a0ead2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd08d0380d9b250dd6864ff5691b5fc159275e1bab2aeea8d8115f1c48a0ead2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3900

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/3900-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/3900-117-0x0000000001160000-0x0000000001166000-memory.dmp