dridex | d4b64b7655c609069e1948da16a1b6c8ea93336ba96496e05908cd89a77d08ba

Analysis

max time kernel
30s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
06/05/2021, 17:02

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General

Target
3584595e_by_Libranalysis.dll
Size 162KB
Sample210506-raladmvc56
SHA256 d4b64b7655c609069e1948da16a1b6c8ea93336ba96496e05908cd89a77d08ba
MD5 3584595eb18e053b8b63f868c9249942
SHA1 3d89cbea9a17e9e1ae8b622a4ac0ebb2a7526cb0
SHA512 12f0839b2e92dbc05f63bc3bcb636ffa32245cf4f3f9fd17352572b988b1bd333bbb2f811ce66d70874f89b27f843d0590ea7b0105a1ec1a8deeb9cf76b86fe8
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/3708-115-0x0000000073F20000-0x0000000073F4E000-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 4044 wrote to memory of 3708	4044	rundll32.exe	71
PID 4044 wrote to memory of 3708	4044	rundll32.exe	71
PID 4044 wrote to memory of 3708	4044	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3584595e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3584595e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3708

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/3708-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3708-117-0x0000000002E30000-0x0000000002E36000-memory.dmp