dridex | ecdd8acb892d1ae7c556440a525adefa0f762d33f4a86d3d3b0258edc3fd48ef

Analysis

max time kernel
120s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 20:32

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General

Target
ecdd8acb892d1ae7c556440a525adefa0f762d33f4a86d3d3b0258edc3fd48ef.dll
Size 162KB
Sample210418-d2fz5p12ba
SHA256 ecdd8acb892d1ae7c556440a525adefa0f762d33f4a86d3d3b0258edc3fd48ef
MD5 a6ca4498b3af87c579a58490454f62bc
SHA1 2e0c18dd5f74f5fe580657e15497db6ec07ac0d9
SHA512 2fb2bdbc970ee355aed09f47d518db736e7c3c1f97f5f24fc00a80d33713fbc80347d57ed18968b0e30697f70d1cfa37edc32ce7852e3dd4adff65c7788e7c99
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 3968 wrote to memory of 4068	3968	rundll32.exe	50
PID 3968 wrote to memory of 4068	3968	rundll32.exe	50
PID 3968 wrote to memory of 4068	3968	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecdd8acb892d1ae7c556440a525adefa0f762d33f4a86d3d3b0258edc3fd48ef.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecdd8acb892d1ae7c556440a525adefa0f762d33f4a86d3d3b0258edc3fd48ef.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/4068-117-0x0000000000640000-0x0000000000646000-memory.dmp