dridex | caf2a94650378520bae0a48a5959d83cf93c302893f345efd8a2ca1b579d63c1

Analysis

max time kernel
67s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 11:29

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General

Target

caf2a94650378520bae0a48a5959d83cf93c302893f345efd8a2ca1b579d63c1.dll
Size

180KB
MD5

1a2217c8f0da866c3afddd60c524e6fd
SHA1

31796d095bf7fc4e8d75e3b60f629f4ae7bd0e06
SHA256

caf2a94650378520bae0a48a5959d83cf93c302893f345efd8a2ca1b579d63c1
SHA512

d598deec1a7bf54b1785dd0eb6a8fea5bf89d1b8a828d396fbf4d8de405860458fbf0a85a666db95c391b5896bb401e34aee1c446baddec1217079a434cfdffd
SSDEEP

3072:k3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:AUZYxfM8+YXfq+SOxTxjipQjzk3

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

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/628-1-0x0000000074C50000-0x0000000074C7E000-memory.dmp	dridex_ldr
behavioral2/memory/628-2-0x0000000074C50000-0x0000000074C7E000-memory.dmp	dridex_ldr

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 4456 wrote to memory of 628	4456	rundll32.exe	84
PID 4456 wrote to memory of 628	4456	rundll32.exe	84
PID 4456 wrote to memory of 628	4456	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\caf2a94650378520bae0a48a5959d83cf93c302893f345efd8a2ca1b579d63c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\caf2a94650378520bae0a48a5959d83cf93c302893f345efd8a2ca1b579d63c1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/628-0-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/628-1-0x0000000074C50000-0x0000000074C7E000-memory.dmp

Filesize
184KB

Download
memory/628-3-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/628-2-0x0000000074C50000-0x0000000074C7E000-memory.dmp

Filesize
184KB

Download