dridex | fe536e8e8894d955fb8b9fe6fa91413f7e83a4252f457a4c771d1a808d137b8d

Analysis

max time kernel
140s
max time network
41s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 11:40

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General

Target

JaffaCakes118_18b969033685963bff6a4b9a50bed4ea.dll
Size

608KB
MD5

18b969033685963bff6a4b9a50bed4ea
SHA1

840be3c94661aa904de89d8f63c171b34f853b7b
SHA256

fe536e8e8894d955fb8b9fe6fa91413f7e83a4252f457a4c771d1a808d137b8d
SHA512

9a9555ab1bdc1b77f197a6ab3dab5f4361adbd36268fdbb2d038dd52f7b5407072719ad13fb746fb3ccd926c17d9fb5047884155e1fcad95b269cb2bc2c20019
SSDEEP

12288:LZGQdqOGtXJqydLqQSeCqsVK8kPRGO35N9mVrzXc6:LZ0lWjeCVVK8kP9N9o/

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1156	rundll32.exe
7	1156	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

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 1096 wrote to memory of 1156	1096	rundll32.exe	30
PID 1096 wrote to memory of 1156	1096	rundll32.exe	30
PID 1096 wrote to memory of 1156	1096	rundll32.exe	30
PID 1096 wrote to memory of 1156	1096	rundll32.exe	30
PID 1096 wrote to memory of 1156	1096	rundll32.exe	30
PID 1096 wrote to memory of 1156	1096	rundll32.exe	30
PID 1096 wrote to memory of 1156	1096	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18b969033685963bff6a4b9a50bed4ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18b969033685963bff6a4b9a50bed4ea.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1156

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

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Downloads

memory/1156-0-0x0000000000870000-0x00000000009A4000-memory.dmp

Filesize
1.2MB

Download
memory/1156-2-0x0000000000870000-0x00000000009A4000-memory.dmp

Filesize
1.2MB

Download
memory/1156-3-0x0000000000870000-0x00000000009A4000-memory.dmp

Filesize
1.2MB

Download
memory/1156-6-0x0000000000870000-0x00000000009A4000-memory.dmp

Filesize
1.2MB

Download
memory/1156-5-0x0000000000904000-0x000000000090A000-memory.dmp

Filesize
24KB

Download
memory/1156-7-0x0000000000870000-0x00000000009A4000-memory.dmp

Filesize
1.2MB

Download
memory/1156-12-0x0000000000870000-0x00000000009A4000-memory.dmp

Filesize
1.2MB

Download