dridex | a5ffbc33221dba23d4cddd3b7bf17308a15ac9a7715e38cfdcbe21dcd3b45376

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 18:04

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General

Target
a5ffbc33221dba23d4cddd3b7bf17308a15ac9a7715e38cfdcbe21dcd3b45376.dll
Size 158KB
Sample210415-6fsaskvehs
SHA256 a5ffbc33221dba23d4cddd3b7bf17308a15ac9a7715e38cfdcbe21dcd3b45376
MD5 cbc296e561d1396fc616d2ef9e2974ab
SHA1 6a24d195dd1b1468e165901fd7d4ecc5d0803d0c
SHA512 9198069f70b3112a9c98ca0e2ce207ff309d20e6ebf9bfa5056c6508718a95722da1132dd9b7a693b0b64286f51b86a95b2e493b0b298f076f6a7ffe7c6dad65
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/2760-115-0x0000000073860000-0x000000007388D000-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 1968 wrote to memory of 2760	1968	rundll32.exe	69
PID 1968 wrote to memory of 2760	1968	rundll32.exe	69
PID 1968 wrote to memory of 2760	1968	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5ffbc33221dba23d4cddd3b7bf17308a15ac9a7715e38cfdcbe21dcd3b45376.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5ffbc33221dba23d4cddd3b7bf17308a15ac9a7715e38cfdcbe21dcd3b45376.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2760

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/2760-115-0x0000000073860000-0x000000007388D000-memory.dmp

Download

memory/2760-117-0x0000000000680000-0x0000000000686000-memory.dmp