dridex | 35f42905f801245c1a1a6eaae29fac5a0129c9c0cfd4cd19a0aba5854bd11dcf

Analysis

max time kernel
76s
max time network
70s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 02:02

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General

Target

a160b77d77017cc06f4aab8fcc2fdc20N.dll
Size

184KB
MD5

a160b77d77017cc06f4aab8fcc2fdc20
SHA1

0bdcd9b6fea10563a54154688c83c0796cbe6d1c
SHA256

35f42905f801245c1a1a6eaae29fac5a0129c9c0cfd4cd19a0aba5854bd11dcf
SHA512

9ac357f2e1115c027bcc833033fa4bf016235b03e74383d5284d5ff28fe05d35850850ef4d47f110b2cfa84ad2817f39f4070dccbd69e2d814693409a77e97fd
SSDEEP

3072:QW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmuWx9ixCH0u:78qh+66QsRdNiBW/06ngmuWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2672-0-0x0000000074DB0000-0x0000000074DE0000-memory.dmp	dridex_ldr
behavioral2/memory/2672-2-0x0000000074DB0000-0x0000000074DE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4244	2672	WerFault.exe	86

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 856 wrote to memory of 2672	856	rundll32.exe	86
PID 856 wrote to memory of 2672	856	rundll32.exe	86
PID 856 wrote to memory of 2672	856	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a160b77d77017cc06f4aab8fcc2fdc20N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a160b77d77017cc06f4aab8fcc2fdc20N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 616
    3⤵
    - Program crash
    PID:4244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2672 -ip 2672
1⤵
PID:2052

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/2672-0-0x0000000074DB0000-0x0000000074DE0000-memory.dmp

Filesize
192KB

Download
memory/2672-1-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2672-2-0x0000000074DB0000-0x0000000074DE0000-memory.dmp

Filesize
192KB

Download