dridex | 63b362c6f8a1f46f1ba1493fe9e75376381ee9a43814c28b4ef18179a0ae2972

Analysis

max time kernel
104s
max time network
104s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

63b362c6f8a1f46f1ba1493fe9e75376381ee9a43814c28b4ef18179a0ae2972.dll
Size

157KB
MD5

aea309fc9c9e67f4fbe469c1c7c1fb61
SHA1

835d32b1858be7e2f6af426a9aa753177797d49b
SHA256

63b362c6f8a1f46f1ba1493fe9e75376381ee9a43814c28b4ef18179a0ae2972
SHA512

058122558a9556d28f02688b9e01594d77812be1f4e8f35ceb6a970251f0c45a8beac42e68588031075b774a1b4f2810c5be521164443544e45afb5bf3cdef4a

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/3480-115-0x0000000073660000-0x000000007368D000-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 4008 wrote to memory of 3480	4008	rundll32.exe	rundll32.exe
PID 4008 wrote to memory of 3480	4008	rundll32.exe	rundll32.exe
PID 4008 wrote to memory of 3480	4008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63b362c6f8a1f46f1ba1493fe9e75376381ee9a43814c28b4ef18179a0ae2972.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63b362c6f8a1f46f1ba1493fe9e75376381ee9a43814c28b4ef18179a0ae2972.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3480

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/3480-114-0x0000000000000000-mapping.dmp

Download
memory/3480-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/3480-117-0x0000000002850000-0x0000000002856000-memory.dmp

Filesize
24KB

Download