dridex | ae4d8bef90eb12eab7f37ec5058c1763192b2a53253079fb850bdf9f0648313e

Analysis

max time kernel
18s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 11:15

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General

Target
ae4d8bef90eb12eab7f37ec5058c1763192b2a53253079fb850bdf9f0648313e.dll
Size 162KB
Sample210418-n53afcanba
SHA256 ae4d8bef90eb12eab7f37ec5058c1763192b2a53253079fb850bdf9f0648313e
MD5 f17231caacfd7723b164009d121c1fa8
SHA1 62a1e57e6782e0bb6df73bb929a09329292a794f
SHA512 69588e91bb91ddae0b9f85da1887c68ea3bbf4a0b9437fbab32744b974b633a8f9aa47e097906f194bb514b985c55357cd9fca8d8e48292b50ccc54ddec18c19
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/3636-115-0x0000000073D70000-0x0000000073D9E000-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 3256 wrote to memory of 3636	3256	rundll32.exe	70
PID 3256 wrote to memory of 3636	3256	rundll32.exe	70
PID 3256 wrote to memory of 3636	3256	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae4d8bef90eb12eab7f37ec5058c1763192b2a53253079fb850bdf9f0648313e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae4d8bef90eb12eab7f37ec5058c1763192b2a53253079fb850bdf9f0648313e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3636

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/3636-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Download

memory/3636-117-0x00000000001F0000-0x00000000001F6000-memory.dmp