dridex | f7bc18759bf4e7f4a1ed29e5a2512cadf313a03707b8fe9cc3f742f6bbdc474a

Analysis

max time kernel
30s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 18:12

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General

Target
5c75dd0f_by_Libranalysis.dll
Size 162KB
Sample210503-9d2qxfjscx
SHA256 f7bc18759bf4e7f4a1ed29e5a2512cadf313a03707b8fe9cc3f742f6bbdc474a
MD5 5c75dd0f04f7354fafa2e8bbe5cd23a2
SHA1 83d4d13f809eea9d78984eb271f0ebb60e4fc7b4
SHA512 8ef6d9222d14287f6df271d170872274f72d6e2cd18f60260e0187483592820ee9d184d9ce8bc089982a5126b6dc7227857455937389be317c520b48054760a7
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/3952-115-0x0000000074380000-0x00000000743AE000-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 3904 wrote to memory of 3952	3904	rundll32.exe	62
PID 3904 wrote to memory of 3952	3904	rundll32.exe	62
PID 3904 wrote to memory of 3952	3904	rundll32.exe	62

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c75dd0f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c75dd0f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3952

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/3952-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3952-117-0x00000000031B0000-0x00000000031B6000-memory.dmp