dridex | 87e4f41162cbe8656438e7a40757ad1b259e43f686160176c293c928f93f2022

Analysis

max time kernel
48s
max time network
61s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:17

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General

Target

87e4f41162cbe8656438e7a40757ad1b259e43f686160176c293c928f93f2022.dll
Size

154KB
MD5

e4feaf0cc8b987319c43ffce7bcafcfa
SHA1

53886cc7a2c9f52fb0d2ca8274ef1cd5ec0d91b5
SHA256

87e4f41162cbe8656438e7a40757ad1b259e43f686160176c293c928f93f2022
SHA512

b3a85b5ec8eb94af2a06e5b688370916b1d5a08497c88fc3cabeee97497ed1224c079b12dc9f7155f8bdb5bcfb4e4d43c98a8ae871ea6d0e8d7aedf7eb157392

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/1008-115-0x0000000073530000-0x000000007355D000-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 2220 wrote to memory of 1008	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1008	2220	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 1008	2220	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87e4f41162cbe8656438e7a40757ad1b259e43f686160176c293c928f93f2022.dll,#1
1⤵
- Checks whether UAC is enabled
PID:1008

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87e4f41162cbe8656438e7a40757ad1b259e43f686160176c293c928f93f2022.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220

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/1008-114-0x0000000000000000-mapping.dmp

Download
memory/1008-115-0x0000000073530000-0x000000007355D000-memory.dmp

Filesize
180KB

Download
memory/1008-117-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download