dridex | 6a59fefacdc2af47924b91f2522b1c1c67ba256a4c8a3236e94c0e5a0357b063

Analysis

max time kernel
73s
max time network
150s
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, 19:32

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General

Target

JaffaCakes118_6a59fefacdc2af47924b91f2522b1c1c67ba256a4c8a3236e94c0e5a0357b063.dll
Size

204KB
MD5

f2a6f6e68f0d5ad878fba699b515a10d
SHA1

50c19adbeb04a86af32f37356047a957ca20a426
SHA256

6a59fefacdc2af47924b91f2522b1c1c67ba256a4c8a3236e94c0e5a0357b063
SHA512

f9d42daeb93b53792f9ffa4356c99a99140693ce44c5346ba0d01f7f70e2a0e5a5d0903fc383a80aae036aeddec1b93c2c590460336478b702b32c7b789a6e77
SSDEEP

3072:x6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:xZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/4600-1-0x0000000075760000-0x0000000075795000-memory.dmp	dridex_ldr
behavioral2/memory/4600-3-0x0000000075760000-0x0000000075795000-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 3772 wrote to memory of 4600	3772	rundll32.exe	83
PID 3772 wrote to memory of 4600	3772	rundll32.exe	83
PID 3772 wrote to memory of 4600	3772	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a59fefacdc2af47924b91f2522b1c1c67ba256a4c8a3236e94c0e5a0357b063.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a59fefacdc2af47924b91f2522b1c1c67ba256a4c8a3236e94c0e5a0357b063.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4600

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/4600-0-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/4600-1-0x0000000075760000-0x0000000075795000-memory.dmp

Filesize
212KB

Download
memory/4600-3-0x0000000075760000-0x0000000075795000-memory.dmp

Filesize
212KB

Download
memory/4600-4-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download