dridex | 6bb140706e18caafd9b4725cd34d73ab7fb3b277e6d9903d051bba99aadfec64

Analysis

max time kernel
28s
max time network
140s
platform
windows10_x64
resource
win10v20201028
submitted
04-03-2021 13:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6bb140706e18caafd9b4725cd34d73ab7fb3b277e6d9903d051bba99aadfec64.dll
Size

196KB
MD5

eb3bb74fbac64c57c50a27d6923710ff
SHA1

fac15003ba3240aa011bfb5762456646406dda33
SHA256

6bb140706e18caafd9b4725cd34d73ab7fb3b277e6d9903d051bba99aadfec64
SHA512

6362285d74b4ef6bc4fc648f22ffd9e7eb5a902bf45b89893da467b8206515ac3e7e2a2abae246f14220ef3b4c30cbb9fb2b29504d14fa469cad130a623483dd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/1676-3-0x00000000735C0000-0x00000000735F3000-memory.dmp	dridex_ldr
behavioral2/memory/1676-5-0x00000000735C0000-0x00000000735DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

14 1676 rundll32.exe
16 1676 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	1676	rundll32.exe
16	1676	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 616 wrote to memory of 1676	616	rundll32.exe	rundll32.exe
PID 616 wrote to memory of 1676	616	rundll32.exe	rundll32.exe
PID 616 wrote to memory of 1676	616	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bb140706e18caafd9b4725cd34d73ab7fb3b277e6d9903d051bba99aadfec64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bb140706e18caafd9b4725cd34d73ab7fb3b277e6d9903d051bba99aadfec64.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1676

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/1676-2-0x0000000000000000-mapping.dmp

Download
memory/1676-3-0x00000000735C0000-0x00000000735F3000-memory.dmp

Filesize
204KB

Download
memory/1676-4-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/1676-5-0x00000000735C0000-0x00000000735DF000-memory.dmp

Filesize
124KB

Download