dridex | 9b557bc81f0edefc594337a621bf803446df892a2de1ac0dff36d83b392b74e4

Analysis

max time kernel
87s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 07:19

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General

Target

9b557bc81f0edefc594337a621bf803446df892a2de1ac0dff36d83b392b74e4N.dll
Size

208KB
MD5

7b9b5484b8906234c1a4641455f3c250
SHA1

80e396ced1c8834341d5ed7457e9e7e686c09e5b
SHA256

9b557bc81f0edefc594337a621bf803446df892a2de1ac0dff36d83b392b74e4
SHA512

76dc8db429a0d2d3d7dea1d2c3b5414e4cb58e860cfe3e0c96eb4c4dd838977a805468fb0bcc0d90abbab4dd488e5d5f29b2d996acdb3a11f017fdd510d24744
SSDEEP

3072:T0DpemgVst0qciSU12Eu/CSWznEeNd2LcT65hQt8Cz9B0k6Xq:SpepU127CjzEexUQSq9BH6X

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

82.223.21.211:443

80.211.33.13:6601

185.148.168.220:2303

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/2192-1-0x0000000074EB0000-0x0000000074EE6000-memory.dmp	dridex_ldr
behavioral1/memory/2192-4-0x0000000074EB0000-0x0000000074EE6000-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 2832 wrote to memory of 2192	2832	rundll32.exe	31
PID 2832 wrote to memory of 2192	2832	rundll32.exe	31
PID 2832 wrote to memory of 2192	2832	rundll32.exe	31
PID 2832 wrote to memory of 2192	2832	rundll32.exe	31
PID 2832 wrote to memory of 2192	2832	rundll32.exe	31
PID 2832 wrote to memory of 2192	2832	rundll32.exe	31
PID 2832 wrote to memory of 2192	2832	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b557bc81f0edefc594337a621bf803446df892a2de1ac0dff36d83b392b74e4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b557bc81f0edefc594337a621bf803446df892a2de1ac0dff36d83b392b74e4N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2192

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/2192-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000074EB0000-0x0000000074EE6000-memory.dmp

Filesize
216KB

Download
memory/2192-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2192-4-0x0000000074EB0000-0x0000000074EE6000-memory.dmp

Filesize
216KB

Download