dridex | 99ffe7b6d624eb8d91afbb8b1f92c1a24514357b97cfc22d6c7f8e00c5511f54

Analysis

max time kernel
85s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:56

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General

Target

JaffaCakes118_99ffe7b6d624eb8d91afbb8b1f92c1a24514357b97cfc22d6c7f8e00c5511f54.dll
Size

157KB
MD5

6a439c76e6f8500261464ce072c4d509
SHA1

ce5519486b3fa2387d36053f299aca5147baa060
SHA256

99ffe7b6d624eb8d91afbb8b1f92c1a24514357b97cfc22d6c7f8e00c5511f54
SHA512

5849a57ab8a38bd68649e946ce30d13777dc8a19854e2995ad1fe3501a2249c61f0fe0b3ae3238ef8247cdd90bc348505e9d007adfcddda86cd926f3cbbc15b9
SSDEEP

3072:XXdgq2AQFBHNHrvCU0FoCGWi/isjLpWRGGJnHs9:dMHNLvC1FoCGx//Xq

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4036-0-0x0000000075440000-0x000000007546D000-memory.dmp	dridex_ldr
behavioral2/memory/4036-3-0x0000000075440000-0x000000007546D000-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 4720 wrote to memory of 4036	4720	rundll32.exe	82
PID 4720 wrote to memory of 4036	4720	rundll32.exe	82
PID 4720 wrote to memory of 4036	4720	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99ffe7b6d624eb8d91afbb8b1f92c1a24514357b97cfc22d6c7f8e00c5511f54.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99ffe7b6d624eb8d91afbb8b1f92c1a24514357b97cfc22d6c7f8e00c5511f54.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4036

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

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Downloads

memory/4036-0-0x0000000075440000-0x000000007546D000-memory.dmp

Filesize
180KB

Download
memory/4036-2-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/4036-3-0x0000000075440000-0x000000007546D000-memory.dmp

Filesize
180KB

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