dridex | 89a2ccce9769778a17ce0457f0a1ed59232dda52706952f1c07e1fd3953ffb99

Analysis

max time kernel
140s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 19:53

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General

Target

c98532eda83e7b04cdbaad0f586525a8_JaffaCakes118.dll
Size

1.0MB
MD5

c98532eda83e7b04cdbaad0f586525a8
SHA1

def1ecfb83af629015b1e09c8b82250448d4af70
SHA256

89a2ccce9769778a17ce0457f0a1ed59232dda52706952f1c07e1fd3953ffb99
SHA512

dd707356a610b304b8b9c0ab9a428b6aadd8b9e65ea8e407e40859efc7e643a590fa634edf289e1db2789338703025288afc455ab247e51c48c5fc7f6d2df626
SSDEEP

24576:T5umPtwAiyvA/7bGIkFXNr9ypZQf3E/DzLhukd5TkWCfAZgugu:F3Pvo/3G9XNr2A38XhDTkpfAZgugu

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

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
26	2116	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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1416 wrote to memory of 2116	1416	rundll32.exe	84
PID 1416 wrote to memory of 2116	1416	rundll32.exe	84
PID 1416 wrote to memory of 2116	1416	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c98532eda83e7b04cdbaad0f586525a8_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c98532eda83e7b04cdbaad0f586525a8_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2116

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/2116-0-0x0000000074C5A000-0x0000000074C5E000-memory.dmp

Filesize
16KB

Download
memory/2116-1-0x0000000074B50000-0x0000000074CBA000-memory.dmp

Filesize
1.4MB

Download
memory/2116-3-0x0000000074B50000-0x0000000074CBA000-memory.dmp

Filesize
1.4MB

Download
memory/2116-5-0x0000000074C5A000-0x0000000074C5E000-memory.dmp

Filesize
16KB

Download
memory/2116-4-0x0000000074B50000-0x0000000074CBA000-memory.dmp

Filesize
1.4MB

Download