dridex | b8496df62938fee1ac8bf71e002b719fd987609aadd8669b6229d6ab85aa5110

Analysis

max time kernel
58s
max time network
151s
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 22:05

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General

Target

JaffaCakes118_b8496df62938fee1ac8bf71e002b719fd987609aadd8669b6229d6ab85aa5110.dll
Size

204KB
MD5

9f640cec29efa242578c56a8355c1f04
SHA1

579042a4df94584d869a3376eeab5b1d86c892ca
SHA256

b8496df62938fee1ac8bf71e002b719fd987609aadd8669b6229d6ab85aa5110
SHA512

2314c3758a1794f6e9561045f7e238657975025817585235fa0890db70fcffc7a4f73ab531a0b588b31a65a25077828db3e7c6b7dffa127d9459f46906a4037f
SSDEEP

3072:J6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:JZuX6pEaeEDheWa+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/3640-0-0x00000000752B0000-0x00000000752E5000-memory.dmp	dridex_ldr
behavioral2/memory/3640-3-0x00000000752B0000-0x00000000752E5000-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 1464 wrote to memory of 3640	1464	rundll32.exe	83
PID 1464 wrote to memory of 3640	1464	rundll32.exe	83
PID 1464 wrote to memory of 3640	1464	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8496df62938fee1ac8bf71e002b719fd987609aadd8669b6229d6ab85aa5110.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8496df62938fee1ac8bf71e002b719fd987609aadd8669b6229d6ab85aa5110.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3640

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/3640-0-0x00000000752B0000-0x00000000752E5000-memory.dmp

Filesize
212KB

Download
memory/3640-2-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3640-3-0x00000000752B0000-0x00000000752E5000-memory.dmp

Filesize
212KB

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