dridex | fc9a718e7660e39348ac3261b45f2a3effada22c9a982f6fcc8d27205aa49cbf

Analysis

max time kernel
120s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
04/05/2021, 11:02

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General

Target
49aa838c_by_Libranalysis.dll
Size 162KB
Sample210504-c8wtewkqgs
SHA256 fc9a718e7660e39348ac3261b45f2a3effada22c9a982f6fcc8d27205aa49cbf
MD5 49aa838c6a5425a153f7b437233b7e85
SHA1 32b93f4fe24cab4b3db9f87dc1d3d874f274eb85
SHA512 63df327f677b1d561c81789dc285d0282989ff105faf645ce4a48c53f234e0d8725055312fea7aa9489a0cea8a2cf3218abf6a709c46d647682f3df080d48dc5
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/4476-115-0x0000000074290000-0x00000000742BE000-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 4432 wrote to memory of 4476	4432	rundll32.exe	70
PID 4432 wrote to memory of 4476	4432	rundll32.exe	70
PID 4432 wrote to memory of 4476	4432	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49aa838c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\49aa838c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4476

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/4476-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Download

memory/4476-117-0x0000000002D50000-0x0000000002D56000-memory.dmp