dridex | d3d5aa27183a5435787edd28d659026e97de6f45dcc5ba75a9f3af2146cc012f

Analysis

max time kernel
60s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 23:45

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General

Target

JaffaCakes118_d3d5aa27183a5435787edd28d659026e97de6f45dcc5ba75a9f3af2146cc012f.dll
Size

162KB
MD5

9b9587d6dfda79587262c2949abc517f
SHA1

4121d470293397fb3412db627beff4252c885faa
SHA256

d3d5aa27183a5435787edd28d659026e97de6f45dcc5ba75a9f3af2146cc012f
SHA512

4e44b279576097308e8bd61c9a2a88bf48102910b823c996544931fabd632009cde11b6e6f1220cb747e36b1816ad43dc5dfda1413cbd9bc00d360d5c2606b9e
SSDEEP

3072:RmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:gLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1516-0-0x0000000074EC0000-0x0000000074EEE000-memory.dmp	dridex_ldr
behavioral1/memory/1516-2-0x0000000074EC0000-0x0000000074EEE000-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 2388 wrote to memory of 1516	2388	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d5aa27183a5435787edd28d659026e97de6f45dcc5ba75a9f3af2146cc012f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d5aa27183a5435787edd28d659026e97de6f45dcc5ba75a9f3af2146cc012f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1516

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/1516-0-0x0000000074EC0000-0x0000000074EEE000-memory.dmp

Filesize
184KB

Download
memory/1516-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1516-2-0x0000000074EC0000-0x0000000074EEE000-memory.dmp

Filesize
184KB

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