dridex | ab1e084958c8c0769dcf6b03ebe226934aa34ca3887f4507a12b24afc814849c

Analysis

max time kernel
137s
max time network
138s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 14:26

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General

Target
ab1e084958c8c0769dcf6b03ebe226934aa34ca3887f4507a12b24afc814849c.dll
Size 158KB
Sample210415-lctr4wwejx
SHA256 ab1e084958c8c0769dcf6b03ebe226934aa34ca3887f4507a12b24afc814849c
MD5 02c826ea16e7a67179dd0e7ff2bdf64f
SHA1 855ed12c840f64ec3b6495a5c3b2d77ea76b7965
SHA512 feb0b509094415b046d7bf4aee8c6f591ab51d409d004f23957ad42a3d1fa910e23e9e35a4b98346e55146d804505e434c5bd79b8a4f0252f8b3624174f20ec9
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/4080-115-0x00000000755E0000-0x000000007560D000-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 4048 wrote to memory of 4080	4048	rundll32.exe	68
PID 4048 wrote to memory of 4080	4048	rundll32.exe	68
PID 4048 wrote to memory of 4080	4048	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab1e084958c8c0769dcf6b03ebe226934aa34ca3887f4507a12b24afc814849c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab1e084958c8c0769dcf6b03ebe226934aa34ca3887f4507a12b24afc814849c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4080

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/4080-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Download

memory/4080-117-0x0000000002E70000-0x0000000002E76000-memory.dmp