dridex | d27f8c44bf5a82d98356fba379662d35b57cac933d9601f40e7a6854b1a2f9f5

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 11:00

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General

Target

JaffaCakes118_527a75415c1d67b3aec7434b30b831d5.dll
Size

608KB
MD5

527a75415c1d67b3aec7434b30b831d5
SHA1

a34d6f99e35560183d2e3699f26259d534c36537
SHA256

d27f8c44bf5a82d98356fba379662d35b57cac933d9601f40e7a6854b1a2f9f5
SHA512

e136977710379d28e5bebe6b9eb0284ece56cab8bb78afb15982de6c19ef2826913227fabaddfd63f33d863b611e974dc79e6d67cedeabeb7460d0dcf6428208
SSDEEP

12288:3ZGQdqOGrDJqydLqQSeCqsVK8kPRGO35N9mVrzXc6:3Z0fWjeCVVK8kP9N9o/

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	3060	rundll32.exe
5	3060	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 3004 wrote to memory of 3060	3004	rundll32.exe	30
PID 3004 wrote to memory of 3060	3004	rundll32.exe	30
PID 3004 wrote to memory of 3060	3004	rundll32.exe	30
PID 3004 wrote to memory of 3060	3004	rundll32.exe	30
PID 3004 wrote to memory of 3060	3004	rundll32.exe	30
PID 3004 wrote to memory of 3060	3004	rundll32.exe	30
PID 3004 wrote to memory of 3060	3004	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_527a75415c1d67b3aec7434b30b831d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_527a75415c1d67b3aec7434b30b831d5.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3060

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/3060-0-0x00000000009E0000-0x0000000000B14000-memory.dmp

Filesize
1.2MB

Download
memory/3060-2-0x00000000009E0000-0x0000000000B14000-memory.dmp

Filesize
1.2MB

Download
memory/3060-3-0x00000000009E0000-0x0000000000B14000-memory.dmp

Filesize
1.2MB

Download
memory/3060-6-0x00000000009E0000-0x0000000000B14000-memory.dmp

Filesize
1.2MB

Download
memory/3060-5-0x0000000000A74000-0x0000000000A7A000-memory.dmp

Filesize
24KB

Download
memory/3060-7-0x00000000009E0000-0x0000000000B14000-memory.dmp

Filesize
1.2MB

Download
memory/3060-12-0x00000000009E0000-0x0000000000B14000-memory.dmp

Filesize
1.2MB

Download