dridex | b6a2a030c7fe3d55d52f993eadf41f02dd5a809a671c4b67d47aae0771380b95

Analysis

max time kernel
111s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:09

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General

Target

b6a2a030c7fe3d55d52f993eadf41f02dd5a809a671c4b67d47aae0771380b95.dll
Size

154KB
MD5

d3ca69984e50ed6ae8ea5555aa7ea042
SHA1

0ecc2cb584a7567a9b300f792390a27cb7b2f7f8
SHA256

b6a2a030c7fe3d55d52f993eadf41f02dd5a809a671c4b67d47aae0771380b95
SHA512

8d9bae31fc8eb0dbd8fe6c66aa53ad8783942681252990cd52ee2b6e450b640f13b5efab31c6266062631e542207a3b94cf09177293acfae8ce0fe266295622f

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3220-115-0x00000000736D0000-0x00000000736FD000-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 3176 wrote to memory of 3220	3176	rundll32.exe	rundll32.exe
PID 3176 wrote to memory of 3220	3176	rundll32.exe	rundll32.exe
PID 3176 wrote to memory of 3220	3176	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6a2a030c7fe3d55d52f993eadf41f02dd5a809a671c4b67d47aae0771380b95.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6a2a030c7fe3d55d52f993eadf41f02dd5a809a671c4b67d47aae0771380b95.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3220

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/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-115-0x00000000736D0000-0x00000000736FD000-memory.dmp

Filesize
180KB

Download
memory/3220-117-0x0000000002DE0000-0x0000000002F2A000-memory.dmp

Filesize
1.3MB

Download