dridex | 715b0799c3db5307a402611daafd191baabd2ba9d580f086fe42e20e5fed8e7c

Analysis

max time kernel
45s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 00:17

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General

Target

c95131572adc4115f3ecbe21f537afa0N.dll
Size

188KB
MD5

c95131572adc4115f3ecbe21f537afa0
SHA1

da0cf956f67aed2eabee6d32db828ea5c8ce6cd8
SHA256

715b0799c3db5307a402611daafd191baabd2ba9d580f086fe42e20e5fed8e7c
SHA512

ec1a366d2354e989f1be26da602d79c7b1d5aa4e18e41ba2258eebbb37e2fe927f61e89516f99b3c107b76d0a209a721baba0f548035842ad12282eb78823b6d
SSDEEP

3072:aVQvaAHkST6gWMlS5bGoU7jAgjP4M1/cc7PbTp1CV9nEwivYUcRoYt:aVQCAESHWMObGsM1l7XTqnxZf

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

213.202.229.72:3074

85.25.144.36:4643

202.91.8.121:4643

107.175.87.150:3889

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

Processes:

resource	yara_rule
behavioral1/memory/3052-0-0x00000000748E0000-0x0000000074911000-memory.dmp	dridex_ldr
behavioral1/memory/3052-3-0x00000000748E0000-0x0000000074911000-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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c95131572adc4115f3ecbe21f537afa0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c95131572adc4115f3ecbe21f537afa0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052

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

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Downloads

memory/3052-0-0x00000000748E0000-0x0000000074911000-memory.dmp

Filesize
196KB

Download
memory/3052-2-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3052-3-0x00000000748E0000-0x0000000074911000-memory.dmp

Filesize
196KB

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