dridex | b3d04ff49dc567dc39a1a5c425384d48148d238bcb08ed6c466652fada237a38

Analysis

max time kernel
75s
max time network
150s
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, 05:19

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General

Target

JaffaCakes118_b3d04ff49dc567dc39a1a5c425384d48148d238bcb08ed6c466652fada237a38.dll
Size

204KB
MD5

d7d4524a2b69de195046997e612776fd
SHA1

a84d93d09bd3247dbe158702f00b150aafedb7c8
SHA256

b3d04ff49dc567dc39a1a5c425384d48148d238bcb08ed6c466652fada237a38
SHA512

ed6b4456f0997dd4bebb03a606c60710559559ac42ee774374fb016876ff279c3694adc9c27a1932bef4795d689d4cdc6e43cb96dd5f43902787c0fd1c1dcb70
SSDEEP

3072:T6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:TZuX6pEaeEDheWa+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/2356-1-0x00000000751E0000-0x0000000075215000-memory.dmp	dridex_ldr
behavioral2/memory/2356-4-0x00000000751E0000-0x0000000075215000-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 4228 wrote to memory of 2356	4228	rundll32.exe	82
PID 4228 wrote to memory of 2356	4228	rundll32.exe	82
PID 4228 wrote to memory of 2356	4228	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3d04ff49dc567dc39a1a5c425384d48148d238bcb08ed6c466652fada237a38.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3d04ff49dc567dc39a1a5c425384d48148d238bcb08ed6c466652fada237a38.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2356

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/2356-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2356-1-0x00000000751E0000-0x0000000075215000-memory.dmp

Filesize
212KB

Download
memory/2356-3-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2356-4-0x00000000751E0000-0x0000000075215000-memory.dmp

Filesize
212KB

Download