dridex | 5bbda0c22c136192aeed796efb5d876fb701182349a34bda02adf93f9b958e5e

Analysis

max time kernel
61s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 11:35

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General

Target

5bbda0c22c136192aeed796efb5d876fb701182349a34bda02adf93f9b958e5eN.dll
Size

154KB
MD5

0dbd6e8716d78132e1224fab7b1fa370
SHA1

1e38748fab1fbd444cef7c61fd5aa569de3e116c
SHA256

5bbda0c22c136192aeed796efb5d876fb701182349a34bda02adf93f9b958e5e
SHA512

dbe327a2dd248df7bbf45d68f38ca1e74df237d18c473b382b6e17ce7a2037a68ef93fb1714486ec2608b9c74e1331e36a5ff2c87eb081e2e27aea4561ecf062
SSDEEP

3072:vZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:eQeVf/2gUU76rDeIgESXZmYYa

Score

10^/10

dridex 40111 botnet discovery 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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/784-1-0x0000000074CE0000-0x0000000074D0D000-memory.dmp	dridex_ldr
behavioral1/memory/784-4-0x0000000074CE0000-0x0000000074D0D000-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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bbda0c22c136192aeed796efb5d876fb701182349a34bda02adf93f9b958e5eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bbda0c22c136192aeed796efb5d876fb701182349a34bda02adf93f9b958e5eN.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/784-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/784-1-0x0000000074CE0000-0x0000000074D0D000-memory.dmp

Filesize
180KB

Download
memory/784-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/784-4-0x0000000074CE0000-0x0000000074D0D000-memory.dmp

Filesize
180KB

Download