dridex | dd97ee881b09b4fdccfef74843c0e8c0c99eb2e92145f5113532dde2c0df8736

Analysis

max time kernel
21s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 13:01

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General

Target
575a35f7_by_Libranalysis.dll
Size 162KB
Sample210430-9n2th4k612
SHA256 dd97ee881b09b4fdccfef74843c0e8c0c99eb2e92145f5113532dde2c0df8736
MD5 575a35f7dfd8d40144d4d29f69026fe1
SHA1 fa87f8106881fea8704cbf41ff58c48769e4bc65
SHA512 ca03fd386a939e53ec545bec5d67bb42704dbb0f2a5ee5b62a32c96537e321d350886485e36784a35502f0c6d8a65f817c8f5ec1fb3fb045ed4f4f9a62cc38c2
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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

resource	yara_rule
behavioral2/memory/3936-115-0x0000000074090000-0x00000000740BE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 3936	3952	rundll32.exe	68
PID 3952 wrote to memory of 3936	3952	rundll32.exe	68
PID 3952 wrote to memory of 3936	3952	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\575a35f7_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\575a35f7_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3936

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/3936-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3936-117-0x00000000035A0000-0x00000000035A6000-memory.dmp