dridex | 862c3f3284013f2fa448b04a8bc2a5d151f977d3606303a303945a1312728df5

Analysis

max time kernel
30s
max time network
65s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:18

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General

Target

862c3f3284013f2fa448b04a8bc2a5d151f977d3606303a303945a1312728df5.dll
Size

154KB
MD5

a8c84a40b5271ed4a29cf5528bc6b272
SHA1

a02e0fc5dc5656eb2a88b1ad41b756dc6ade33ce
SHA256

862c3f3284013f2fa448b04a8bc2a5d151f977d3606303a303945a1312728df5
SHA512

ee66190053cdc21236d3cd89fc75403c9212c7ea2bc5c9b3cfa3050376153e8ea43ed5f4f69b0e5d44d9f1645bf1e1e1f50a934088ae3bba4b179159c380c533

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
behavioral2/memory/1480-115-0x00000000744D0000-0x00000000744FD000-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 636 wrote to memory of 1480	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1480	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1480	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\862c3f3284013f2fa448b04a8bc2a5d151f977d3606303a303945a1312728df5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\862c3f3284013f2fa448b04a8bc2a5d151f977d3606303a303945a1312728df5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1480

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/1480-114-0x0000000000000000-mapping.dmp

Download
memory/1480-115-0x00000000744D0000-0x00000000744FD000-memory.dmp

Filesize
180KB

Download
memory/1480-117-0x0000000000960000-0x0000000000966000-memory.dmp

Filesize
24KB

Download