dridex | 5f17775d25793a6edb8fcf830eff0b20a7201204159edfece99d7def3edebc30

Analysis

max time kernel
59s
max time network
144s
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, 06:07

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General

Target

JaffaCakes118_5f17775d25793a6edb8fcf830eff0b20a7201204159edfece99d7def3edebc30.dll
Size

204KB
MD5

5020542bd6b79a14da7c8a4ee7a2cc99
SHA1

858e225a217071d225ea1ae1d119e7f1d89cd6e3
SHA256

5f17775d25793a6edb8fcf830eff0b20a7201204159edfece99d7def3edebc30
SHA512

6a724a4b5adf78fb996225277a8708cc7c907a3170a0123401629ada290b1d539e1b30e14f8e02386888915a7e3ededbcba3d2bc8284c3ab2c5f435dae5bf569
SSDEEP

3072:M6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:MZuX6pEaeEDheWa+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/1668-1-0x0000000074FE0000-0x0000000075015000-memory.dmp	dridex_ldr
behavioral2/memory/1668-3-0x0000000074FE0000-0x0000000075015000-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 3252 wrote to memory of 1668	3252	rundll32.exe	83
PID 3252 wrote to memory of 1668	3252	rundll32.exe	83
PID 3252 wrote to memory of 1668	3252	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f17775d25793a6edb8fcf830eff0b20a7201204159edfece99d7def3edebc30.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f17775d25793a6edb8fcf830eff0b20a7201204159edfece99d7def3edebc30.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1668

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/1668-0-0x0000000001190000-0x0000000001196000-memory.dmp

Filesize
24KB

Download
memory/1668-1-0x0000000074FE0000-0x0000000075015000-memory.dmp

Filesize
212KB

Download
memory/1668-3-0x0000000074FE0000-0x0000000075015000-memory.dmp

Filesize
212KB

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