dridex | 7437f7e9596eb54495c6595c6ac2f8f8410f84d4fdf3775b930ad6807ebcfbef

Analysis

max time kernel
111s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 21:47

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General

Target

1ced9c9672694f380d6c5ab385af6860N.dll
Size

184KB
MD5

1ced9c9672694f380d6c5ab385af6860
SHA1

29b5f638d2fdfa54e18c13d767cbdf60bae1762d
SHA256

7437f7e9596eb54495c6595c6ac2f8f8410f84d4fdf3775b930ad6807ebcfbef
SHA512

f360b2c2ede693cf919922e893e4b40530d7422038b603b0b493684e09d9ca5e8f11a0bf95e1cc7dfb498b8687100dbc4aab98b58e5b77b1ecc9806f84e1dee1
SSDEEP

3072:cJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JWa//2uFrSc:hfYOX+wTScR/Xzku9LVwhuG

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

Processes:

resource	yara_rule
behavioral1/memory/2444-1-0x0000000074CE0000-0x0000000074D0F000-memory.dmp	dridex_ldr
behavioral1/memory/2444-2-0x0000000074CE0000-0x0000000074D0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2904	2444	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2448 wrote to memory of 2444	2448	rundll32.exe	30
PID 2444 wrote to memory of 2904	2444	rundll32.exe	31
PID 2444 wrote to memory of 2904	2444	rundll32.exe	31
PID 2444 wrote to memory of 2904	2444	rundll32.exe	31
PID 2444 wrote to memory of 2904	2444	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ced9c9672694f380d6c5ab385af6860N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ced9c9672694f380d6c5ab385af6860N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 224
    3⤵
    - Program crash
    PID:2904

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

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Downloads

memory/2444-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2444-1-0x0000000074CE0000-0x0000000074D0F000-memory.dmp

Filesize
188KB

Download
memory/2444-2-0x0000000074CE0000-0x0000000074D0F000-memory.dmp

Filesize
188KB

Download
memory/2444-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download