dridex | 0a659d5bb75bbd00e6172f2126ab8fff0e35c45275074109b29c809826a541c4

Analysis

max time kernel
58s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 01:25

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General

Target

0a659d5bb75bbd00e6172f2126ab8fff0e35c45275074109b29c809826a541c4.dll
Size

236KB
MD5

054fe8737240e1c7a9ac9c271fa9cdce
SHA1

4a3d6a022223757db803dcf0aa47aab0c4f10eee
SHA256

0a659d5bb75bbd00e6172f2126ab8fff0e35c45275074109b29c809826a541c4
SHA512

4b31d170a495abbde9e4f119fd5974f3d6edd32a2db837308f28edb4929d068363ee15e2e2bcb366b4923e4f40288d5256ad8ec80787e75c5d5385e4bcfc3b78
SSDEEP

6144:g1G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:g1GmSafShjYdd96z/6cwdC

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353

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/2800-0-0x0000000075210000-0x000000007524D000-memory.dmp	dridex_ldr
behavioral2/memory/2800-2-0x0000000075210000-0x000000007524D000-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 4732 wrote to memory of 2800	4732	rundll32.exe	84
PID 4732 wrote to memory of 2800	4732	rundll32.exe	84
PID 4732 wrote to memory of 2800	4732	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a659d5bb75bbd00e6172f2126ab8fff0e35c45275074109b29c809826a541c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a659d5bb75bbd00e6172f2126ab8fff0e35c45275074109b29c809826a541c4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800

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/2800-1-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/2800-0-0x0000000075210000-0x000000007524D000-memory.dmp

Filesize
244KB

Download
memory/2800-2-0x0000000075210000-0x000000007524D000-memory.dmp

Filesize
244KB

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