dridex | d858a55fcc04083ab1068d2fc1e9933e76ec86a426983f5b8525822f71fef08d

Analysis

max time kernel
29s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
28/04/2021, 20:38

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General

Target
4030577c_by_Libranalysis.dll
Size 159KB
Sample210428-aab72jv2r2
SHA256 d858a55fcc04083ab1068d2fc1e9933e76ec86a426983f5b8525822f71fef08d
MD5 4030577c051f27926878958af99f738b
SHA1 f44ad13a6940a20027def9a34928bdc32f28c789
SHA512 0968bea8edd16c340b93cd17e25ad0804c64a6744f249a69fcb07be64690b08179db1992b4764d072cb295cda01b7bb09df39bbabfcd3f79024d9c8297b82b10
MD5 SHA1 SHA512

Score

10^/10

dridex 22203 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22203

78.46.73.125:443
185.148.168.26:2303
66.113.160.126:8172

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/500-115-0x0000000010000000-0x000000001002D000-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 3920 wrote to memory of 500	3920	rundll32.exe	70
PID 3920 wrote to memory of 500	3920	rundll32.exe	70
PID 3920 wrote to memory of 500	3920	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4030577c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4030577c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:500

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/500-115-0x0000000010000000-0x000000001002D000-memory.dmp

Download

memory/500-117-0x00000000031F0000-0x00000000031F6000-memory.dmp