dridex | a26c4ae3d038ac99a1a1cb832f0385571dc08ad35f5388f71b4ce8ee3bb99377

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a26c4ae3d038ac99a1a1cb832f0385571dc08ad35f5388f71b4ce8ee3bb99377.dll
Size

162KB
MD5

e2a2f081cfc4d4d0b8679dc3c92588eb
SHA1

33d368699919419172e915d807e11eb54d9ff62a
SHA256

a26c4ae3d038ac99a1a1cb832f0385571dc08ad35f5388f71b4ce8ee3bb99377
SHA512

224c1c81614fbb6d1841429edca66422ca2a4877cacfdb1b8ac6b198440dea4aaf95dbe6ec3563d2f67cc8f215d8e38139b88323c53953e661f7f60c04ed206c

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2228-115-0x0000000073530000-0x000000007355E000-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 4000 wrote to memory of 2228	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 2228	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 2228	4000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a26c4ae3d038ac99a1a1cb832f0385571dc08ad35f5388f71b4ce8ee3bb99377.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a26c4ae3d038ac99a1a1cb832f0385571dc08ad35f5388f71b4ce8ee3bb99377.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2228

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

Loading Replay Monitor...

Downloads

memory/2228-114-0x0000000000000000-mapping.dmp

Download
memory/2228-115-0x0000000073530000-0x000000007355E000-memory.dmp

Filesize
184KB

Download
memory/2228-117-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download