dridex | 79d3a7af688e0f8215208485e06ec5ca55d9e5e75ea5d1a55207553abe3e7b4a

Analysis

max time kernel
139s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:52

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General

Target

JaffaCakes118_79d3a7af688e0f8215208485e06ec5ca55d9e5e75ea5d1a55207553abe3e7b4a.dll
Size

204KB
MD5

815a532f84b8cd81c84c56b97576a966
SHA1

1edf8c3c63029968607d472347e729b8fd31dc9c
SHA256

79d3a7af688e0f8215208485e06ec5ca55d9e5e75ea5d1a55207553abe3e7b4a
SHA512

50cf47072c9ca80c7250d763b25147716cc904bf4cd67644ed21eb8a9dfcc9c9b47153b4c85721577504e56b5aa83497444ae61d4ec0e440c2d7a438abf48d67
SSDEEP

3072:76FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:7ZuX6pEaeEDheWa+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
behavioral1/memory/1568-1-0x0000000074CD0000-0x0000000074D05000-memory.dmp	dridex_ldr
behavioral1/memory/1568-2-0x0000000074CD0000-0x0000000074D05000-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 7 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79d3a7af688e0f8215208485e06ec5ca55d9e5e75ea5d1a55207553abe3e7b4a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79d3a7af688e0f8215208485e06ec5ca55d9e5e75ea5d1a55207553abe3e7b4a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1568

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/1568-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1568-1-0x0000000074CD0000-0x0000000074D05000-memory.dmp

Filesize
212KB

Download
memory/1568-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1568-2-0x0000000074CD0000-0x0000000074D05000-memory.dmp

Filesize
212KB

Download