dridex | f51f7096d725d45821edd43f590bd4be8bf0651a1e34507f5d025dafc48f11fe

Analysis

max time kernel
66s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:08

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General

Target

JaffaCakes118_f51f7096d725d45821edd43f590bd4be8bf0651a1e34507f5d025dafc48f11fe.dll
Size

204KB
MD5

ca2731d3826169cae638d0ec5d96bf41
SHA1

cd474b9db2f7288cd0f2f003a8b289eca4a13360
SHA256

f51f7096d725d45821edd43f590bd4be8bf0651a1e34507f5d025dafc48f11fe
SHA512

90254667d2b76a88f3f39cb5c6459a75c8ff120c2019d57b98e4091d05ac8f7fce1b82fae5db2f6b3cca7f9d8cb477adc0437540453ce9b017cdb633a96411dd
SSDEEP

3072:c6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:cZuX6pEaeEDheWa+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/2076-1-0x00000000750A0000-0x00000000750D5000-memory.dmp	dridex_ldr
behavioral1/memory/2076-2-0x00000000750A0000-0x00000000750D5000-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 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f51f7096d725d45821edd43f590bd4be8bf0651a1e34507f5d025dafc48f11fe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f51f7096d725d45821edd43f590bd4be8bf0651a1e34507f5d025dafc48f11fe.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/2076-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x00000000750A0000-0x00000000750D5000-memory.dmp

Filesize
212KB

Download
memory/2076-2-0x00000000750A0000-0x00000000750D5000-memory.dmp

Filesize
212KB

Download
memory/2076-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download