dridex | 50bfb6b2412ec46233dbaff3b17cc80e631a0dd20e1c4b13782d22921737c66a

Analysis

max time kernel
35s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 21:49

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General

Target

50bfb6b2412ec46233dbaff3b17cc80e631a0dd20e1c4b13782d22921737c66a.dll
Size

161KB
MD5

19abd6d0b16c064869f1c2ccae9bd5fd
SHA1

6dcf6dc54ca77f280c6c4e25f8cbb2e27bb865eb
SHA256

50bfb6b2412ec46233dbaff3b17cc80e631a0dd20e1c4b13782d22921737c66a
SHA512

5307eb753425a41f69664d22a0277db32857d477fc41eb3e4dc749b075a096b6ebbf02012c770840f7423f25ab3128c189ca5029d6eb4cb9cdb675f9d4e71b95

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/4720-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4720	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4720	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4720	4656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50bfb6b2412ec46233dbaff3b17cc80e631a0dd20e1c4b13782d22921737c66a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50bfb6b2412ec46233dbaff3b17cc80e631a0dd20e1c4b13782d22921737c66a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4720

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4720-114-0x0000000000000000-mapping.dmp

Download
memory/4720-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4720-117-0x0000000003460000-0x0000000003466000-memory.dmp

Filesize
24KB

Download