dridex | 7841f9845431d73b1ae2d316efcb2cf285d712c04c93f2344851b9b74a222a51

Analysis

max time kernel
77s
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, 04:18

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General

Target

JaffaCakes118_7841f9845431d73b1ae2d316efcb2cf285d712c04c93f2344851b9b74a222a51.dll
Size

204KB
MD5

772cb124fb609ebcf09856e9eccd52d2
SHA1

4b7f0306481cef63fff12f219e9a44d993ba0aab
SHA256

7841f9845431d73b1ae2d316efcb2cf285d712c04c93f2344851b9b74a222a51
SHA512

7e7c7a828b90562491d9df6824dc55e280206f4398e43b87302a524625d43a4750891f65ba94987077afe36dc7f289c85ffbc56d5226aa6276b53f0f451b4665
SSDEEP

3072:n6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:nZuX6pEaeEDheWa+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/796-1-0x00000000751F0000-0x0000000075225000-memory.dmp	dridex_ldr
behavioral2/memory/796-4-0x00000000751F0000-0x0000000075225000-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 920 wrote to memory of 796	920	rundll32.exe	83
PID 920 wrote to memory of 796	920	rundll32.exe	83
PID 920 wrote to memory of 796	920	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7841f9845431d73b1ae2d316efcb2cf285d712c04c93f2344851b9b74a222a51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7841f9845431d73b1ae2d316efcb2cf285d712c04c93f2344851b9b74a222a51.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:796

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/796-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/796-1-0x00000000751F0000-0x0000000075225000-memory.dmp

Filesize
212KB

Download
memory/796-3-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/796-4-0x00000000751F0000-0x0000000075225000-memory.dmp

Filesize
212KB

Download