dridex | 46d8fe4261130c8a575bfaca562b5a3f095cb3cc608be107444f3827a6a24336

Analysis

max time kernel
61s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 00:37

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General

Target

c9e88a616529532688de111fc820e7f0N.dll
Size

188KB
MD5

c9e88a616529532688de111fc820e7f0
SHA1

05797d548c61604e503a1201a4c5e8fc61960103
SHA256

46d8fe4261130c8a575bfaca562b5a3f095cb3cc608be107444f3827a6a24336
SHA512

5cb3818d9069188a2d71d255b89f510258e47632cb45d44dfd7fe249bab40e2f540053f6cc4c97faa6c57de048ddff79769b8527c765efdea0bacef09c1ddbbe
SSDEEP

3072:MVQvaAHkST6gWMlS5bGoU7jAgjP4M1/cc7PbTp1CV9nEwivYUcRoYt:MVQCAESHWMObGsM1l7XTqnxZf

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/2536-1-0x0000000074AC0000-0x0000000074AF1000-memory.dmp	dridex_ldr
behavioral1/memory/2536-2-0x0000000074AC0000-0x0000000074AF1000-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 2552 wrote to memory of 2536	2552	rundll32.exe	31
PID 2552 wrote to memory of 2536	2552	rundll32.exe	31
PID 2552 wrote to memory of 2536	2552	rundll32.exe	31
PID 2552 wrote to memory of 2536	2552	rundll32.exe	31
PID 2552 wrote to memory of 2536	2552	rundll32.exe	31
PID 2552 wrote to memory of 2536	2552	rundll32.exe	31
PID 2552 wrote to memory of 2536	2552	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9e88a616529532688de111fc820e7f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9e88a616529532688de111fc820e7f0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536

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/2536-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2536-1-0x0000000074AC0000-0x0000000074AF1000-memory.dmp

Filesize
196KB

Download
memory/2536-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2536-2-0x0000000074AC0000-0x0000000074AF1000-memory.dmp

Filesize
196KB

Download