dridex | 70fcc8eb683412d2deb89936e6779886e6ca4a38232a5be892c7e82a15ae2cde

Analysis

max time kernel
140s
max time network
142s
platform
windows10_x64
resource
win10v20210410
submitted
14/05/2021, 19:12

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General

Target
b4b8b739_by_Libranalysis.dll
Size 162KB
Sample210514-7lav1yr33x
SHA256 70fcc8eb683412d2deb89936e6779886e6ca4a38232a5be892c7e82a15ae2cde
MD5 b4b8b73947ed7fbc30704943ec02ba5b
SHA1 2451eb81f6d87641c19bff9438eea7b9bac78d2b
SHA512 3f3eb7a63641d875f98f8211b35edf114add04f458d5a2dd41b4e7e00b3e2edd69e3d773d8ccde34c26e0779e375dbc601c1dbfc00befb14ac55302bb52a0889
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/4068-115-0x00000000755E0000-0x000000007560E000-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 3944 wrote to memory of 4068	3944	rundll32.exe	23
PID 3944 wrote to memory of 4068	3944	rundll32.exe	23
PID 3944 wrote to memory of 4068	3944	rundll32.exe	23

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4b8b739_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4b8b739_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4068

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/4068-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/4068-117-0x00000000004E0000-0x000000000062A000-memory.dmp