dridex | 1c8525a441836d19936c0347595404390f4e8282387fe4f066b6d3c286cbbee5

Analysis

max time kernel
30s
max time network
141s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 23:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1c8525a441836d19936c0347595404390f4e8282387fe4f066b6d3c286cbbee5.dll
Size

196KB
MD5

da852b73c895fe96aa4664fd9e4d388f
SHA1

549ba5cb9d762385af17d944b6508c8cd2711e07
SHA256

1c8525a441836d19936c0347595404390f4e8282387fe4f066b6d3c286cbbee5
SHA512

fe1ab526066cad699d308685be4c179a6da53337a4d82f5252bbce51a4e87469688ab3692a633df631cf5a7b462b08684cf6d17d72bb4a8cd3bca6c10cfd046d

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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/3976-115-0x0000000074380000-0x00000000743B3000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

14 3976 rundll32.exe
16 3976 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
14	3976	rundll32.exe
16	3976	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 568 wrote to memory of 3976	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 3976	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 3976	568	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c8525a441836d19936c0347595404390f4e8282387fe4f066b6d3c286cbbee5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c8525a441836d19936c0347595404390f4e8282387fe4f066b6d3c286cbbee5.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3976-114-0x0000000000000000-mapping.dmp

Download
memory/3976-115-0x0000000074380000-0x00000000743B3000-memory.dmp

Filesize
204KB

Download
memory/3976-117-0x0000000002B50000-0x0000000002BFE000-memory.dmp

Filesize
696KB

Download