dridex | f2fbd074423c40b2a9dbe4ed5e146f04c4a0a54340fa054804fabccfe37851db

Analysis

max time kernel
68s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 20:04

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General

Target
890b50b3_by_Libranalysis.dll
Size 162KB
Sample210429-yphw2n7hc2
SHA256 f2fbd074423c40b2a9dbe4ed5e146f04c4a0a54340fa054804fabccfe37851db
MD5 890b50b3c0844f4c200f78edca31d9a4
SHA1 7c0b878d1b1e3943a5b34e39539e15b6ea68751d
SHA512 6e8d8e2cc0ba8b9bb42ba071293646ec9ee19fa44abcefb3a0f7291df6feedafee6c34db50fc2e0eb774e6f916bfd31fdb00a32cdcdb04e4bc3a4ff2f0a7b1f0
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/3264-115-0x0000000073A10000-0x0000000073A3E000-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 3892 wrote to memory of 3264	3892	rundll32.exe	70
PID 3892 wrote to memory of 3264	3892	rundll32.exe	70
PID 3892 wrote to memory of 3264	3892	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\890b50b3_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\890b50b3_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3264

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/3264-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp

Download

memory/3264-117-0x0000000000680000-0x0000000000686000-memory.dmp