dridex | 54baa5b7116e0507e87742f60a537791047db51fd7802480d6de585f38091e54

Analysis

max time kernel
104s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 18:44

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General

Target

75c3e448c9aba9e8d1d768f6b2eacb30N.dll
Size

257KB
MD5

75c3e448c9aba9e8d1d768f6b2eacb30
SHA1

0182c411b8bb5b8f5583d16449327bfe65de7a22
SHA256

54baa5b7116e0507e87742f60a537791047db51fd7802480d6de585f38091e54
SHA512

c14d223a45d35323d91aac1fcdd7cb213a3149fe720d4194ce4d8cfc2ef2a47f7de1e6b778fd0c7113ba09edae29bd295d5ac3e178c48775bd87b16ef1e07e7b
SSDEEP

6144:y42IfzNPnoeY8j3AsHGPXpHNj6rByM3NCZY:yHuoeY8j3IPXpHQNCZY

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

resource	yara_rule
behavioral2/memory/3352-1-0x0000000075550000-0x000000007557E000-memory.dmp	dridex_ldr
behavioral2/memory/3352-4-0x0000000075550000-0x000000007557E000-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 3 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 3352	4544	rundll32.exe	85
PID 4544 wrote to memory of 3352	4544	rundll32.exe	85
PID 4544 wrote to memory of 3352	4544	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75c3e448c9aba9e8d1d768f6b2eacb30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\75c3e448c9aba9e8d1d768f6b2eacb30N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3352

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/3352-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3352-1-0x0000000075550000-0x000000007557E000-memory.dmp

Filesize
184KB

Download
memory/3352-3-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3352-4-0x0000000075550000-0x000000007557E000-memory.dmp

Filesize
184KB

Download