dridex | 3d2e566daddf1637b6b8202953f072d45c904c7a6a2223592f038ea4754be98e

Analysis

max time kernel
21s
max time network
117s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 18:52

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General

Target

3d2e566daddf1637b6b8202953f072d45c904c7a6a2223592f038ea4754be98e.dll
Size

158KB
MD5

ee3b9911e46bb8ed8e75edb3b9b83a80
SHA1

590a979007821dd8b42d656fc69069c0f477de42
SHA256

3d2e566daddf1637b6b8202953f072d45c904c7a6a2223592f038ea4754be98e
SHA512

7b00b46554d90825132b72209f4a0acf65cd7ca633d53e03adee871341c2b90e03dbfcefc71a8ac49c8856a65974b584db63a4b099bced85f59c8465761eed47

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/4516-115-0x0000000074290000-0x00000000742BD000-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 4444 wrote to memory of 4516	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4516	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4516	4444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d2e566daddf1637b6b8202953f072d45c904c7a6a2223592f038ea4754be98e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d2e566daddf1637b6b8202953f072d45c904c7a6a2223592f038ea4754be98e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4516

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/4516-114-0x0000000000000000-mapping.dmp

Download
memory/4516-115-0x0000000074290000-0x00000000742BD000-memory.dmp

Filesize
180KB

Download
memory/4516-117-0x0000000003380000-0x0000000003386000-memory.dmp

Filesize
24KB

Download