dridex | 2a39f9ac06d82c2a66a0acc619bbf069b1709fbc3333c5a55e3b2ffa2728d751

Analysis

max time kernel
60s
max time network
149s
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 23:30

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General

Target

JaffaCakes118_2a39f9ac06d82c2a66a0acc619bbf069b1709fbc3333c5a55e3b2ffa2728d751.dll
Size

204KB
MD5

693dc0c3c36e94d629a8acd8e3205e01
SHA1

42e0ccf37409bed2f5ff0ae3bde6856785514ba4
SHA256

2a39f9ac06d82c2a66a0acc619bbf069b1709fbc3333c5a55e3b2ffa2728d751
SHA512

ca71be3174551a53a242c72816ba86525e14f21b946a77750b3624fe694ab55dcb493dffe46742c2e7f5d947ac728d3df671af132f89f0c467dd0db55ba7a9dc
SSDEEP

3072:U6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:UZuX6pEaeEDheWa+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/4844-0-0x0000000075740000-0x0000000075775000-memory.dmp	dridex_ldr
behavioral2/memory/4844-3-0x0000000075740000-0x0000000075775000-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 3992 wrote to memory of 4844	3992	rundll32.exe	82
PID 3992 wrote to memory of 4844	3992	rundll32.exe	82
PID 3992 wrote to memory of 4844	3992	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a39f9ac06d82c2a66a0acc619bbf069b1709fbc3333c5a55e3b2ffa2728d751.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a39f9ac06d82c2a66a0acc619bbf069b1709fbc3333c5a55e3b2ffa2728d751.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4844

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/4844-0-0x0000000075740000-0x0000000075775000-memory.dmp

Filesize
212KB

Download
memory/4844-2-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/4844-3-0x0000000075740000-0x0000000075775000-memory.dmp

Filesize
212KB

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