dridex | 35c6facb5e22816435cadeea23ae62312047ee1cc51312ce33df5a1cf87bb716

Analysis

max time kernel
73s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:57

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General

Target

JaffaCakes118_35c6facb5e22816435cadeea23ae62312047ee1cc51312ce33df5a1cf87bb716.dll
Size

204KB
MD5

fa9f8f4f49d67b6f7933cd7b3b54a755
SHA1

33e74ea75339c3c753840e42883300f70be80ea0
SHA256

35c6facb5e22816435cadeea23ae62312047ee1cc51312ce33df5a1cf87bb716
SHA512

e5968512353328f09103d5dcafbd237f5faa15097de8c051822c27e51d3d7e645002775a308e9871b5d44267bc7a80e8a0273c7a68e687fc48f969c2b18ef7b9
SSDEEP

3072:I6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:IZuX6pEaeEDheWa+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/2816-1-0x0000000075460000-0x0000000075495000-memory.dmp	dridex_ldr
behavioral1/memory/2816-2-0x0000000075460000-0x0000000075495000-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 2500 wrote to memory of 2816	2500	rundll32.exe	30
PID 2500 wrote to memory of 2816	2500	rundll32.exe	30
PID 2500 wrote to memory of 2816	2500	rundll32.exe	30
PID 2500 wrote to memory of 2816	2500	rundll32.exe	30
PID 2500 wrote to memory of 2816	2500	rundll32.exe	30
PID 2500 wrote to memory of 2816	2500	rundll32.exe	30
PID 2500 wrote to memory of 2816	2500	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35c6facb5e22816435cadeea23ae62312047ee1cc51312ce33df5a1cf87bb716.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35c6facb5e22816435cadeea23ae62312047ee1cc51312ce33df5a1cf87bb716.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2816

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/2816-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2816-1-0x0000000075460000-0x0000000075495000-memory.dmp

Filesize
212KB

Download
memory/2816-2-0x0000000075460000-0x0000000075495000-memory.dmp

Filesize
212KB

Download
memory/2816-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download