dridex | 54e6691e9f07aa7bfcb763784caa76646568cef3ceace7fb2a760c35962595d4

Analysis

max time kernel
22s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
15/05/2021, 15:03

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General

Target
5aeb2b81_by_Libranalysis.dll
Size 162KB
Sample210515-sttprmcxse
SHA256 54e6691e9f07aa7bfcb763784caa76646568cef3ceace7fb2a760c35962595d4
MD5 5aeb2b8100a875a4f229fb4bc893806d
SHA1 1cdf87917f96c599d3173c471e8dbf4afc112ffc
SHA512 7980a01b1aefbfd31c3369f32044816397e8e3b8280c31c1d040ed7d97072e7b218a0c0322c6791f0ff31f4c288b91fc95525af9d4130b3b02ef86588e52490f
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/3680-115-0x0000000074380000-0x00000000743AE000-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 3724 wrote to memory of 3680	3724	rundll32.exe	46
PID 3724 wrote to memory of 3680	3724	rundll32.exe	46
PID 3724 wrote to memory of 3680	3724	rundll32.exe	46

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aeb2b81_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aeb2b81_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3680

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/3680-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3680-117-0x0000000000B50000-0x0000000000B56000-memory.dmp