dridex | c845dcdb0f8df8ef5d309d114be1195730f7e49cb4ff2a562ce9e9f6fe92eba3

Analysis

max time kernel
120s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 09:02

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General

Target
1e46db6f_by_Libranalysis.dll
Size 162KB
Sample210507-lpbs8f6xf6
SHA256 c845dcdb0f8df8ef5d309d114be1195730f7e49cb4ff2a562ce9e9f6fe92eba3
MD5 1e46db6f983d8bf599bc52f2945ada0e
SHA1 d7e33ab0690d60f4a7209c7ecdc09695f8740dea
SHA512 5400a0a7e37eb867150ccf33a5504dcc03e343c3e2d5bc614a36e456b4671a4ea8db1c34cf65ae5f49fbf817ffd635bf95f3a350d7921732ef4d6d76231c5912
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/904-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 904	3680	rundll32.exe	73
PID 3680 wrote to memory of 904	3680	rundll32.exe	73
PID 3680 wrote to memory of 904	3680	rundll32.exe	73

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e46db6f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e46db6f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:904

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/904-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/904-117-0x0000000003330000-0x000000000347A000-memory.dmp