dridex | d251aa64dcf4b415a22e54edef9c6e432cf9c9ffa8cac3e1c9cfbbebe4080fa4

Analysis

max time kernel
66s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:34

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General

Target

JaffaCakes118_d251aa64dcf4b415a22e54edef9c6e432cf9c9ffa8cac3e1c9cfbbebe4080fa4.dll
Size

204KB
MD5

c56bf313829794bcbb354b0b496392a9
SHA1

000df298a7641179aecd1c550474fce906ae614c
SHA256

d251aa64dcf4b415a22e54edef9c6e432cf9c9ffa8cac3e1c9cfbbebe4080fa4
SHA512

7c53a27c67daef533b6f296eb3d3a6c8ce90862cf2fdd39b80d80cfb0b7da7609c89342afaa849f6ac4b1f46fce4b18b2051f5354b22b93de0b18c30b759a68c
SSDEEP

3072:86FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:8ZuX6pEaeEDheWa+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/2076-1-0x0000000074E30000-0x0000000074E65000-memory.dmp	dridex_ldr
behavioral1/memory/2076-2-0x0000000074E30000-0x0000000074E65000-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 2072 wrote to memory of 2076	2072	rundll32.exe	30
PID 2072 wrote to memory of 2076	2072	rundll32.exe	30
PID 2072 wrote to memory of 2076	2072	rundll32.exe	30
PID 2072 wrote to memory of 2076	2072	rundll32.exe	30
PID 2072 wrote to memory of 2076	2072	rundll32.exe	30
PID 2072 wrote to memory of 2076	2072	rundll32.exe	30
PID 2072 wrote to memory of 2076	2072	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d251aa64dcf4b415a22e54edef9c6e432cf9c9ffa8cac3e1c9cfbbebe4080fa4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d251aa64dcf4b415a22e54edef9c6e432cf9c9ffa8cac3e1c9cfbbebe4080fa4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2076

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/2076-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x0000000074E30000-0x0000000074E65000-memory.dmp

Filesize
212KB

Download
memory/2076-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2076-2-0x0000000074E30000-0x0000000074E65000-memory.dmp

Filesize
212KB

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