dridex | 6735b2ef3bf5fd2292f6f974386daf7a6a1ee861f4b00ad85b23774b16bd5716

Analysis

max time kernel
123s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:07

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General

Target

JaffaCakes118_6735b2ef3bf5fd2292f6f974386daf7a6a1ee861f4b00ad85b23774b16bd5716.dll
Size

160KB
MD5

02448398e8ba7d45a136b53d9213daf1
SHA1

b8c04b673e062bf01f6f5a4b03d9be7142236708
SHA256

6735b2ef3bf5fd2292f6f974386daf7a6a1ee861f4b00ad85b23774b16bd5716
SHA512

4372fd38d437a7478d65cb64011da42ac7aa9140acdd566a5e765a8fd9e4ad7e337aba525a050c72119ae322859c08b8787f0bed7e0975cb9eb837d7debb4e80
SSDEEP

3072:CnT2d85tleLD51fC5AHYEoefukoTFMpGmjh8D:xy5tAL11fNHYafoMpX

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2012-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2012-2-0x0000000010000000-0x000000001002E000-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 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30
PID 2548 wrote to memory of 2012	2548	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6735b2ef3bf5fd2292f6f974386daf7a6a1ee861f4b00ad85b23774b16bd5716.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6735b2ef3bf5fd2292f6f974386daf7a6a1ee861f4b00ad85b23774b16bd5716.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2012

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/2012-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2012-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2012-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download