dridex | 3ac71dd3ac05e71b4e9290b6735fe24092836ae759d9030792017140ebb42a8f

Analysis

max time kernel
25s
max time network
73s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 17:20

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General

Target

3ac71dd3ac05e71b4e9290b6735fe24092836ae759d9030792017140ebb42a8f.dll
Size

160KB
MD5

e8653d81153e72b5b15c3fc323166c2d
SHA1

9cb8f31fa0117a801678b104f88617726272d918
SHA256

3ac71dd3ac05e71b4e9290b6735fe24092836ae759d9030792017140ebb42a8f
SHA512

b372c4e260c422ec0ff71a1c84e63b3a40681b7b056d12aa344f14b2ef36f52cf9a7c40021bf6d5340a0b22a3d0750166295b846c6ed959662eb45d1d11b9431

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1360-115-0x0000000073F50000-0x0000000073F7E000-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 856 wrote to memory of 1360	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1360	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1360	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ac71dd3ac05e71b4e9290b6735fe24092836ae759d9030792017140ebb42a8f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ac71dd3ac05e71b4e9290b6735fe24092836ae759d9030792017140ebb42a8f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1360

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/1360-114-0x0000000000000000-mapping.dmp

Download
memory/1360-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Filesize
184KB

Download
memory/1360-117-0x0000000004DA0000-0x0000000004DA6000-memory.dmp

Filesize
24KB

Download