dridex | d63881d5b89c883053a28137aaea7134732c6bdfaa596783598a3e675df711c7

Analysis

max time kernel
94s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 13:28

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General

Target

Trojan.Win32.Dridex.dll
Size

1.1MB
MD5

76b00a7f7ec5a3465e74d8ee5a9cdf80
SHA1

f9f99129cf8155ff7191763f59e8bc54ef2bab9a
SHA256

d63881d5b89c883053a28137aaea7134732c6bdfaa596783598a3e675df711c7
SHA512

c976a46d82bf6631f1fe378cec99fbab24ef1546ecc967239b86f8d70304a8d752aa9d25bdfea9e7fcd2f64ab15b5f002991585b6088b793bdf4d48ffa09e9df
SSDEEP

12288:zSOP47es0e6yHPJGcJh+U6HKsc2Gs8PJjDKvq3kvTMnsW1qraaEXA8:zBQes0e6yHF

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3624-0-0x0000000074A40000-0x0000000074A71000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2920	3624	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 3624	2312	rundll32.exe	82
PID 2312 wrote to memory of 3624	2312	rundll32.exe	82
PID 2312 wrote to memory of 3624	2312	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 636
    3⤵
    - Program crash
    PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3624 -ip 3624
1⤵
PID:5112

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/3624-0-0x0000000074A40000-0x0000000074A71000-memory.dmp

Filesize
196KB

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memory/3624-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

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