dridex | 2b1c433c3bcb94e5b0e5132324d2bbb213263a06b23f13d8f45bf0e25bfb76a6

Analysis

max time kernel
36s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
24/05/2021, 00:01

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General

Target
ab3d82ca_by_Libranalysis.dll
Size 162KB
Sample210524-ftybqyb3cx
SHA256 2b1c433c3bcb94e5b0e5132324d2bbb213263a06b23f13d8f45bf0e25bfb76a6
MD5 ab3d82ca42e375d9c53aa121b4463381
SHA1 c0d8f0e9e97b467db10fae3211c4cc1da24887d9
SHA512 af0ccc09460172e85cb8a22ed6691feeb086ed2074f84713e48417229b6896c0549ba4426dc1d88b397ae6a21d672848fe2c5b8c101d73c7eac7db709e99cfce
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/1172-115-0x00000000736D0000-0x00000000736FE000-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 800 wrote to memory of 1172	800	rundll32.exe	70
PID 800 wrote to memory of 1172	800	rundll32.exe	70
PID 800 wrote to memory of 1172	800	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab3d82ca_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab3d82ca_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1172

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/1172-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1172-117-0x00000000028F0000-0x00000000028F6000-memory.dmp