dridex | 9b3af3757bb15b5d83739b5fb2d45e3f36bc8b17f1c19e0367ede4cf381e6ac4

Analysis

max time kernel
68s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/08/2024, 06:15

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General

Target

2e05708358905af391bb9d1da16443c0N.dll
Size

173KB
MD5

2e05708358905af391bb9d1da16443c0
SHA1

790515fdb92860f7b575ec5e8d434bfceb586e4b
SHA256

9b3af3757bb15b5d83739b5fb2d45e3f36bc8b17f1c19e0367ede4cf381e6ac4
SHA512

fd4e9a1a7d470875f7c9e577ff8a9236e052d995c032fd0dc0a610879f771735720c4476f7c2894c4ca5e2623c54ee72f7e120fb8d927a9917c8d56f8002d19d
SSDEEP

3072:eaI6YY/DDdmhdj+O2WYXwU3qstRty89ksD0qOim1Gz4:eazYY/HO1kPdy8ksDD1mY

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

159.69.237.186:443

207.210.192.60:8172

51.77.82.110:9987

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/1684-0-0x0000000075650000-0x0000000075680000-memory.dmp	dridex_ldr
behavioral2/memory/1684-3-0x0000000075650000-0x0000000075680000-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 3 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1684	2400	rundll32.exe	84
PID 2400 wrote to memory of 1684	2400	rundll32.exe	84
PID 2400 wrote to memory of 1684	2400	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e05708358905af391bb9d1da16443c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e05708358905af391bb9d1da16443c0N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1684

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/1684-0-0x0000000075650000-0x0000000075680000-memory.dmp

Filesize
192KB

Download
memory/1684-2-0x00000000010A0000-0x00000000010A6000-memory.dmp

Filesize
24KB

Download
memory/1684-3-0x0000000075650000-0x0000000075680000-memory.dmp

Filesize
192KB

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