dridex | f0678b26a28ea7dc1c6e8c68887be3230ec554a4f44bc84547f71f5d7a2dc7cd

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 20:50

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General

Target

04aa21dfb0b6c40beb94794c0f479e80N.dll
Size

184KB
MD5

04aa21dfb0b6c40beb94794c0f479e80
SHA1

1914767a2d8e2a18845e10dc4ad30e0377ad0619
SHA256

f0678b26a28ea7dc1c6e8c68887be3230ec554a4f44bc84547f71f5d7a2dc7cd
SHA512

74d0652a72107a1a6664a6ee92b4239428c4f7f13e26650b8b02453fdf98745e2d7cca487f5d49e204b648c8e148a444141fc4830aec044e1ccf0e25209bcdfc
SSDEEP

3072:QJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JDa//2uFrSc:tfYOX+wTScR/Xzku9LVw8uG

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/2512-1-0x0000000075440000-0x000000007546F000-memory.dmp	dridex_ldr
behavioral1/memory/2512-2-0x0000000075440000-0x000000007546F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2248	2512	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 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 1964 wrote to memory of 2512	1964	rundll32.exe	30
PID 2512 wrote to memory of 2248	2512	rundll32.exe	32
PID 2512 wrote to memory of 2248	2512	rundll32.exe	32
PID 2512 wrote to memory of 2248	2512	rundll32.exe	32
PID 2512 wrote to memory of 2248	2512	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04aa21dfb0b6c40beb94794c0f479e80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\04aa21dfb0b6c40beb94794c0f479e80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 220
    3⤵
    - Program crash
    PID:2248

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/2512-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2512-1-0x0000000075440000-0x000000007546F000-memory.dmp

Filesize
188KB

Download
memory/2512-2-0x0000000075440000-0x000000007546F000-memory.dmp

Filesize
188KB

Download
memory/2512-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download