dridex | e2358f839757d594a006a96f44679decb062e647ca6624f5cbb63faeb519d32d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:17

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General

Target

e2358f839757d594a006a96f44679decb062e647ca6624f5cbb63faeb519d32d.dll
Size

188KB
MD5

f8dc799b4522acc8e518dfb655e2909a
SHA1

e031bfbe9baff3b37b71ba9a687bb76e56230004
SHA256

e2358f839757d594a006a96f44679decb062e647ca6624f5cbb63faeb519d32d
SHA512

a71ec5abf4201e3d53b1593e10faee94420ce5ca3f78f8da36b48cfc8d07a661609b714c5fb14c83a05693c99cca86a5b2c8555f40ff9aeaf5705c32916f831d
SSDEEP

3072:dteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:pq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2100-1-0x00000000751A0000-0x00000000751D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
484	2100	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 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 2100 wrote to memory of 484	2100	rundll32.exe	32
PID 2100 wrote to memory of 484	2100	rundll32.exe	32
PID 2100 wrote to memory of 484	2100	rundll32.exe	32
PID 2100 wrote to memory of 484	2100	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2358f839757d594a006a96f44679decb062e647ca6624f5cbb63faeb519d32d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2358f839757d594a006a96f44679decb062e647ca6624f5cbb63faeb519d32d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 300
    3⤵
    - Program crash
    PID:484

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/2100-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2100-1-0x00000000751A0000-0x00000000751D0000-memory.dmp

Filesize
192KB

Download
memory/2100-4-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download