dridex | 87fe63dd17a6fcf1f6cbb3d57020f41acc181d712b74d9cc0a509a69f150389f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:17

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General

Target

JaffaCakes118_87fe63dd17a6fcf1f6cbb3d57020f41acc181d712b74d9cc0a509a69f150389f.dll
Size

188KB
MD5

3d76e08d1b51c7305d490e27b0da18e5
SHA1

a33ee63481dad5aee2321b298ddcc61e386d9141
SHA256

87fe63dd17a6fcf1f6cbb3d57020f41acc181d712b74d9cc0a509a69f150389f
SHA512

6ea171db4e743e74926ad123f8ae25b92fe8509f90f3379f2196ffe6555679b55769c63fbf6553e61c8fc1f2b1e5c89f51f8b07d9b1fe15ad2cb44cb38a4aa24
SSDEEP

3072:HA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoto:HzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2140-1-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr
behavioral1/memory/2140-2-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2140	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2008 wrote to memory of 2140	2008	rundll32.exe	30
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31
PID 2140 wrote to memory of 2848	2140	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87fe63dd17a6fcf1f6cbb3d57020f41acc181d712b74d9cc0a509a69f150389f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87fe63dd17a6fcf1f6cbb3d57020f41acc181d712b74d9cc0a509a69f150389f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 300
    3⤵
    - Program crash
    PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2140-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2140-1-0x0000000075390000-0x00000000753C0000-memory.dmp

Filesize
192KB

Download
memory/2140-2-0x0000000075390000-0x00000000753C0000-memory.dmp

Filesize
192KB

Download
memory/2140-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download