dridex | 03b139b3b0df772d819190f5153d23c2e448e95dd29e28fa381347af9a7d4894

Analysis

max time kernel
134s
max time network
136s
platform
windows7_x64
resource
win7v20210408
submitted
20/04/2021, 15:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
03b139b3b0df772d819190f5153d23c2e448e95dd29e28fa381347af9a7d4894.dll
Size 162KB
Sample210420-82exh792js
SHA256 03b139b3b0df772d819190f5153d23c2e448e95dd29e28fa381347af9a7d4894
MD5 ed2962285bd075dc6d37cb41cdfe93cb
SHA1 eff39fba0cdbad89a8970c485e22d5735bdace85
SHA512 3bddb8e17c80062450b9d36b586f01d256d98c1a2d2c8d7121c2fceceb89ddbd9505d9789e5c3507fe8aa8475d019f3dd4eb0568cb34f94b3b3b5422c33d060c
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral1/memory/1200-62-0x0000000074750000-0x000000007477E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25
PID 1948 wrote to memory of 1200	1948	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03b139b3b0df772d819190f5153d23c2e448e95dd29e28fa381347af9a7d4894.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03b139b3b0df772d819190f5153d23c2e448e95dd29e28fa381347af9a7d4894.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1200

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

Loading Replay Monitor...

Downloads

memory/1200-61-0x0000000075511000-0x0000000075513000-memory.dmp

Download

memory/1200-62-0x0000000074750000-0x000000007477E000-memory.dmp

Download

memory/1200-64-0x0000000000110000-0x0000000000116000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads