dridex | 44b68efc8fbe23a848ef927659cd53761e89b2da36f9314fc277edb1adaef8f8

Analysis

max time kernel
43s
max time network
51s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:10

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General

Target

44b68efc8fbe23a848ef927659cd53761e89b2da36f9314fc277edb1adaef8f8.dll
Size

154KB
MD5

8c82898922911a95e6de257f0fc45185
SHA1

4af44ac8fe57248075e481f65260d29c0a3352e8
SHA256

44b68efc8fbe23a848ef927659cd53761e89b2da36f9314fc277edb1adaef8f8
SHA512

a97b75f3bb11a069d00345d8f65a896465d221e404989c510f6a4f8ef080e69dbede9b43baa0c086b6f3d7b6da191b000414d4274d776d8f51c88fe6ead938c7

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2156-115-0x0000000073860000-0x000000007388D000-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 1968 wrote to memory of 2156	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2156	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2156	1968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\44b68efc8fbe23a848ef927659cd53761e89b2da36f9314fc277edb1adaef8f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\44b68efc8fbe23a848ef927659cd53761e89b2da36f9314fc277edb1adaef8f8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2156

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/2156-114-0x0000000000000000-mapping.dmp

Download
memory/2156-115-0x0000000073860000-0x000000007388D000-memory.dmp

Filesize
180KB

Download
memory/2156-117-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download