dridex | 4bb816d1a1d6f2a305f8e9e05fb1077688d58bb361180cab00c45b348f0545c0

Analysis

max time kernel
94s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:49

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General

Target

JaffaCakes118_4bb816d1a1d6f2a305f8e9e05fb1077688d58bb361180cab00c45b348f0545c0.dll
Size

161KB
MD5

fce22360d8cc43a61dea06db5aa30fbd
SHA1

c6c2d6f2cb6ba1a14e4186a5629863557eba2d88
SHA256

4bb816d1a1d6f2a305f8e9e05fb1077688d58bb361180cab00c45b348f0545c0
SHA512

8fb78d70dc6504835909fe9a035edd869649c8d395ffafc27a5ecbecc94876f304aba2a7eb47bd42a9edb839508698bcf181d1c9c927b932f07043627f4a9d0a
SSDEEP

3072:elpmktgw9IAMlZxSGg7ypZIQ404g51acpg0xZtCVxwVeXm7YP1cOPpiihEY:elo0gw4ZMypZp45g51aXotOxwVeXm7Ym

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/376-1-0x0000000074AF0000-0x0000000074B1E000-memory.dmp	dridex_ldr
behavioral1/memory/376-2-0x0000000074AF0000-0x0000000074B1E000-memory.dmp	dridex_ldr

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 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30
PID 2248 wrote to memory of 376	2248	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bb816d1a1d6f2a305f8e9e05fb1077688d58bb361180cab00c45b348f0545c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bb816d1a1d6f2a305f8e9e05fb1077688d58bb361180cab00c45b348f0545c0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/376-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/376-1-0x0000000074AF0000-0x0000000074B1E000-memory.dmp

Filesize
184KB

Download
memory/376-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/376-2-0x0000000074AF0000-0x0000000074B1E000-memory.dmp

Filesize
184KB

Download