dridex | 284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5

Analysis

max time kernel
20s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 06:38

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General

Target

284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5.dll
Size

158KB
MD5

d94ddd282c002acb51d55a7b124a8fdb
SHA1

448ff75ba93f9e21b2a95f264f6349c255b40b06
SHA256

284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5
SHA512

4dfd7508c9f928f45122675f49db9bc970983e2654deb77109a322b3e8eec731013120ceb75e3d2d95d6b9d8937452a89f3ecd762e4c1ae23a2997cac32fc96d

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

Processes:

resource	yara_rule
behavioral1/memory/4080-115-0x0000000074480000-0x00000000744AD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4016 wrote to memory of 4080	4016	rundll32.exe	rundll32.exe
PID 4016 wrote to memory of 4080	4016	rundll32.exe	rundll32.exe
PID 4016 wrote to memory of 4080	4016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4080

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4080-114-0x0000000000000000-mapping.dmp

Download
memory/4080-115-0x0000000074480000-0x00000000744AD000-memory.dmp

Filesize
180KB

Download
memory/4080-117-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download