dridex | 75dbb87a82742f09ee7a3530eecb86f6d5344a7350ec9490e28320d6b7f49b1d

Analysis

max time kernel
53s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 00:45

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General

Target

09e0365324f438aa18e5e9c1cb7886d0N.dll
Size

206KB
MD5

09e0365324f438aa18e5e9c1cb7886d0
SHA1

6957e7a009fad9e48a4c7a92623b3dab9d665905
SHA256

75dbb87a82742f09ee7a3530eecb86f6d5344a7350ec9490e28320d6b7f49b1d
SHA512

40f62c6abdcd65fbb2168e37dc2ce628344f5142a7743013986c61038e97e0be9bbbf2093eef11de9deb695c792480e125b08e3702528c12cdecdb7942395d5b
SSDEEP

3072:sopj6gTxmzaCEH8nFb369t9EtpiU7FZEz57GEYd4ntfrOulzQha:zpjtUzy8nF8YN73Ez57Gz4VyWzQo

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.84:443

198.20.253.36:6601

162.144.76.184:2303

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
behavioral1/memory/2524-1-0x0000000075060000-0x0000000075095000-memory.dmp	dridex_ldr
behavioral1/memory/2524-2-0x0000000075060000-0x0000000075095000-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 2500 wrote to memory of 2524	2500	rundll32.exe	30
PID 2500 wrote to memory of 2524	2500	rundll32.exe	30
PID 2500 wrote to memory of 2524	2500	rundll32.exe	30
PID 2500 wrote to memory of 2524	2500	rundll32.exe	30
PID 2500 wrote to memory of 2524	2500	rundll32.exe	30
PID 2500 wrote to memory of 2524	2500	rundll32.exe	30
PID 2500 wrote to memory of 2524	2500	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\09e0365324f438aa18e5e9c1cb7886d0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\09e0365324f438aa18e5e9c1cb7886d0N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2524

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/2524-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2524-1-0x0000000075060000-0x0000000075095000-memory.dmp

Filesize
212KB

Download
memory/2524-2-0x0000000075060000-0x0000000075095000-memory.dmp

Filesize
212KB

Download
memory/2524-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download