dridex | 51325dd404afa9a668a0eeca9cd631b52b0c8fccdd6a1b524bf6af7f584b6830

Analysis

max time kernel
110s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:05

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General

Target

51325dd404afa9a668a0eeca9cd631b52b0c8fccdd6a1b524bf6af7f584b6830.dll
Size

157KB
MD5

7a64fefc0442d9c062e9efff9f76d5af
SHA1

c735494096b8e9877ba41c5fab47ab5fd92335fa
SHA256

51325dd404afa9a668a0eeca9cd631b52b0c8fccdd6a1b524bf6af7f584b6830
SHA512

6d4e436a5bc38795bc3e58f083896583a3798708f406dd063532fb49056f594a6abd1d797263c45f67089ac5abd7349679ee292f95db672fa01d78c9ad885ee1

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/3220-115-0x00000000736B0000-0x00000000736DD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3220	2256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51325dd404afa9a668a0eeca9cd631b52b0c8fccdd6a1b524bf6af7f584b6830.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\51325dd404afa9a668a0eeca9cd631b52b0c8fccdd6a1b524bf6af7f584b6830.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3220

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/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-115-0x00000000736B0000-0x00000000736DD000-memory.dmp

Filesize
180KB

Download
memory/3220-117-0x0000000003430000-0x0000000003436000-memory.dmp

Filesize
24KB

Download