dridex | 7c170c66fb4b348e8af692cbace73053370d340b75cafd0ead0a9cb514086cda

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 08:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7c170c66fb4b348e8af692cbace73053370d340b75cafd0ead0a9cb514086cdaN.dll
Size

184KB
MD5

5e361ff9008b59eb010fbb20e094bc70
SHA1

7353caa31ae54d93e1fa50e4042a79775bd20a18
SHA256

7c170c66fb4b348e8af692cbace73053370d340b75cafd0ead0a9cb514086cda
SHA512

8ba1b6b4c8a4b68d0f84a7b3d61cdf6c72064ed9acdecec65be1f0b35965b6575b636e5e3d36248b29f22598b9d40f948773a857d401a386f56005acc0be68bd
SSDEEP

3072:QJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JOa//2uFrSc:tfYOX+wTScR/Xzku9LVwFuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1816-1-0x0000000075420000-0x000000007544F000-memory.dmp	dridex_ldr
behavioral1/memory/1816-2-0x0000000075420000-0x000000007544F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1120	1816	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 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1712 wrote to memory of 1816	1712	rundll32.exe	30
PID 1816 wrote to memory of 1120	1816	rundll32.exe	32
PID 1816 wrote to memory of 1120	1816	rundll32.exe	32
PID 1816 wrote to memory of 1120	1816	rundll32.exe	32
PID 1816 wrote to memory of 1120	1816	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c170c66fb4b348e8af692cbace73053370d340b75cafd0ead0a9cb514086cdaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c170c66fb4b348e8af692cbace73053370d340b75cafd0ead0a9cb514086cdaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 220
    3⤵
    - Program crash
    PID:1120

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1816-1-0x0000000075420000-0x000000007544F000-memory.dmp

Filesize
188KB

Download
memory/1816-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1816-2-0x0000000075420000-0x000000007544F000-memory.dmp

Filesize
188KB

Download
memory/1816-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download