dridex | 88ae6f01f6d5b33fc81e5a76596a138113b3755248e8c94491a4d7c3f833597c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 05:07

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General

Target

f540aff9eb06b347c95e90bc0d1da4ae_JaffaCakes118.dll
Size

168KB
MD5

f540aff9eb06b347c95e90bc0d1da4ae
SHA1

c21554b3ae31e38af3e6bec2799e947d330320fb
SHA256

88ae6f01f6d5b33fc81e5a76596a138113b3755248e8c94491a4d7c3f833597c
SHA512

6fe716fd9ec2e2b36fe8f9f9ce6c2a9943aed672573537d792585fd9da518486c2dc403d30f7ff122bdad0f565a641647c7d5c1ebdd7096d81dac3503e26b814
SSDEEP

3072:J+rGFFRCMcyzAAykMPqIaXpZYnvf3gx4wblxLSoIm/H2QKGB2gC:J+rGFFlXAAcqj8nHgfOoIdG

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

173.203.78.138:443

217.160.107.189:6601

77.220.64.150:5037

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/2548-1-0x0000000074DF0000-0x0000000074E1C000-memory.dmp	dridex_ldr
behavioral2/memory/2548-4-0x0000000074DF0000-0x0000000074E1C000-memory.dmp	dridex_ldr
behavioral2/memory/2548-6-0x0000000074DF0000-0x0000000074E1C000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow	pid	Process
16	2548	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 3152 wrote to memory of 2548	3152	rundll32.exe	82
PID 3152 wrote to memory of 2548	3152	rundll32.exe	82
PID 3152 wrote to memory of 2548	3152	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f540aff9eb06b347c95e90bc0d1da4ae_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f540aff9eb06b347c95e90bc0d1da4ae_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2548

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/2548-0-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/2548-1-0x0000000074DF0000-0x0000000074E1C000-memory.dmp

Filesize
176KB

Download
memory/2548-3-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/2548-4-0x0000000074DF0000-0x0000000074E1C000-memory.dmp

Filesize
176KB

Download
memory/2548-6-0x0000000074DF0000-0x0000000074E1C000-memory.dmp

Filesize
176KB

Download