dridex | fcff280fdf470e9ae45c2d233f5f8215dc22ab07067eed9bdc6bbf1a9862c660

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:21

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General

Target

JaffaCakes118_fcff280fdf470e9ae45c2d233f5f8215dc22ab07067eed9bdc6bbf1a9862c660.dll
Size

204KB
MD5

d98cdc121fb2029e8fcffc71ebe7f998
SHA1

2bebcb1e3972ebba446330c8dbcc5f8405836c3e
SHA256

fcff280fdf470e9ae45c2d233f5f8215dc22ab07067eed9bdc6bbf1a9862c660
SHA512

5e5fa05706e128c29480ac55307e28f56dcc45bf240010920e64d69d89fddd58ee7b2e60fef1b62390dd43e440c50c116dd77df6eb6e6996ecb5752071bac3df
SSDEEP

3072:E6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:EZuX6pEaeEDheWa+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/2628-1-0x0000000075180000-0x00000000751B5000-memory.dmp	dridex_ldr
behavioral1/memory/2628-2-0x0000000075180000-0x00000000751B5000-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 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30
PID 2308 wrote to memory of 2628	2308	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fcff280fdf470e9ae45c2d233f5f8215dc22ab07067eed9bdc6bbf1a9862c660.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fcff280fdf470e9ae45c2d233f5f8215dc22ab07067eed9bdc6bbf1a9862c660.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2628

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

Replay Monitor

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Downloads

memory/2628-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2628-1-0x0000000075180000-0x00000000751B5000-memory.dmp

Filesize
212KB

Download
memory/2628-2-0x0000000075180000-0x00000000751B5000-memory.dmp

Filesize
212KB

Download
memory/2628-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download