dridex | 240b9cf3dbff74ce51a4a6af69decba4d3b0355bf48ea47c3e4940decf9e96d7

Analysis

max time kernel
30s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 02:04

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General

Target
e82f7a41_by_Libranalysis.dll
Size 162KB
Sample210430-crxtk9e73x
SHA256 240b9cf3dbff74ce51a4a6af69decba4d3b0355bf48ea47c3e4940decf9e96d7
MD5 e82f7a417920a6376cc8916e0c8cf561
SHA1 afa52c15ff1b2e32114e0c587382b665934381c0
SHA512 aec64e17435ac4b9a718a53e1994f1d22758fa2323388415d3cb18b28b5bb9452a2111392dd1f08f84366936df858e5434ae027fcca72a251ddbe22c1c4780f1
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/840-115-0x0000000074440000-0x000000007446E000-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 808 wrote to memory of 840	808	rundll32.exe	69
PID 808 wrote to memory of 840	808	rundll32.exe	69
PID 808 wrote to memory of 840	808	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e82f7a41_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e82f7a41_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:840

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/840-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/840-117-0x00000000029F0000-0x00000000029F6000-memory.dmp