dridex | 31c8ffd05e98607680181f861f2b41fed32dc3d575fe5259dc21126c7bdada10

Analysis

max time kernel
32s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 19:03

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General

Target
7c6b73c6_by_Libranalysis.dll
Size 162KB
Sample210505-efhk673yd6
SHA256 31c8ffd05e98607680181f861f2b41fed32dc3d575fe5259dc21126c7bdada10
MD5 7c6b73c64010905eeb86a8e4a4c7b9bb
SHA1 ed8c91f25ccaf1e3af1f53f45d6dcf551a3dee9d
SHA512 ec8d6f9db8db3be1a364dbea53436bdfb2d253cef175a6857b2d52bd58519b505463c4e5be5c2d7c4e12a7dc2a6662f5a7869121e4e2d7dee18f4bd6d1f25f99
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/780-115-0x0000000074400000-0x000000007442E000-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 784 wrote to memory of 780	784	rundll32.exe	69
PID 784 wrote to memory of 780	784	rundll32.exe	69
PID 784 wrote to memory of 780	784	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c6b73c6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c6b73c6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:780

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/780-115-0x0000000074400000-0x000000007442E000-memory.dmp

Download

memory/780-117-0x0000000004D20000-0x0000000004D26000-memory.dmp