dridex | e13840f7a565097e8506baa88c35f77c666388a421586d1ff5611cb86a99ab43

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 08:43

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General

Target

f80cdaf7caff65434b795b3b3659af30N.dll
Size

184KB
MD5

f80cdaf7caff65434b795b3b3659af30
SHA1

9547ea16aee855c091524542f881612ca0e556a1
SHA256

e13840f7a565097e8506baa88c35f77c666388a421586d1ff5611cb86a99ab43
SHA512

282ecc38e83dbe57a4fb75e0ea94cde9dcf1b709e0ad3f23527303d050c245cc218839de739885dc0d43d66f79ba56c7aacbd8aff5183b0f8e9a1bb5a5084a13
SSDEEP

3072:ugkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgddA4l:PPFkq6zOe5ilSanOGd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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
behavioral1/memory/1320-0-0x00000000745D0000-0x0000000074600000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2980	1320	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 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 2308 wrote to memory of 1320	2308	rundll32.exe	30
PID 1320 wrote to memory of 2980	1320	rundll32.exe	32
PID 1320 wrote to memory of 2980	1320	rundll32.exe	32
PID 1320 wrote to memory of 2980	1320	rundll32.exe	32
PID 1320 wrote to memory of 2980	1320	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f80cdaf7caff65434b795b3b3659af30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f80cdaf7caff65434b795b3b3659af30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 220
    3⤵
    - Program crash
    PID:2980

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/1320-0-0x00000000745D0000-0x0000000074600000-memory.dmp

Filesize
192KB

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memory/1320-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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