dridex | 96b12040d044830cf41890f2806c935ae4e9f8c572c41a5ed3e4551b16403508

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 22:41

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General

Target

e3811e87a0f66d9fe5bb08ed27e1e7f2_JaffaCakes118.dll
Size

576KB
MD5

e3811e87a0f66d9fe5bb08ed27e1e7f2
SHA1

039ee29cf08222cd723d68211a1951c7e6edfeb1
SHA256

96b12040d044830cf41890f2806c935ae4e9f8c572c41a5ed3e4551b16403508
SHA512

f89cadfad08994118560053ebcbbc3acfc33c50ceb586ecf5520ef287737136d28555d27f6df4d3b11c79a710f2685029534ec913107b9d7db4e34b82ffe786e
SSDEEP

12288:wAEJhkFK62GbYs054M795+voCUxusp39b6nf/DhMsNNUqXAnT:wdJS2GN0aY5goao9b6nt9NRQnT

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.131:443

5.196.204.251:5037

192.99.41.136:981

24.229.3.146:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

20 2136 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

flow	pid	process
20	2136	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4436 wrote to memory of 2136	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 2136	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 2136	4436	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3811e87a0f66d9fe5bb08ed27e1e7f2_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3811e87a0f66d9fe5bb08ed27e1e7f2_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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/2136-0-0x0000000002030000-0x00000000020CA000-memory.dmp

Filesize
616KB

Download
memory/2136-4-0x0000000002030000-0x00000000020CA000-memory.dmp

Filesize
616KB

Download
memory/2136-2-0x0000000002030000-0x00000000020CA000-memory.dmp

Filesize
616KB

Download
memory/2136-1-0x00000000020B0000-0x00000000020B4000-memory.dmp

Filesize
16KB

Download
memory/2136-5-0x0000000002030000-0x00000000020CA000-memory.dmp

Filesize
616KB

Download
memory/2136-6-0x00000000020B0000-0x00000000020B4000-memory.dmp

Filesize
16KB

Download
memory/2136-8-0x0000000002030000-0x00000000020CA000-memory.dmp

Filesize
616KB

Download