dridex | def3ac5ace8dd6282de91df72562e8588d2f202cff5fc56156868ac7d308e691

Analysis

max time kernel
95s
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
14-08-2024 07:58

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General

Target

9b4b160aa40b90652de826f86ad87ef0N.dll
Size

184KB
MD5

9b4b160aa40b90652de826f86ad87ef0
SHA1

96d57762981e3f1dc4a8711c1e74d293c97e64d6
SHA256

def3ac5ace8dd6282de91df72562e8588d2f202cff5fc56156868ac7d308e691
SHA512

d1ccb76a89b3f3c53c912e5e3ba886975c5864c5edf67b7762b95653341992c0876130733bb210038a4ef4e078656b306c982e007bd4081d66fdaa8b5a67d0b2
SSDEEP

3072:YW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngm1Wx9ixCH0u:z8qh+66QsRdNiBW/06ngm1WexC

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/2796-0-0x0000000075130000-0x0000000075160000-memory.dmp	dridex_ldr
behavioral2/memory/2796-2-0x0000000075130000-0x0000000075160000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4668	2796	WerFault.exe	84

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 1056 wrote to memory of 2796	1056	rundll32.exe	84
PID 1056 wrote to memory of 2796	1056	rundll32.exe	84
PID 1056 wrote to memory of 2796	1056	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b4b160aa40b90652de826f86ad87ef0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b4b160aa40b90652de826f86ad87ef0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 624
    3⤵
    - Program crash
    PID:4668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2796 -ip 2796
1⤵
PID:1148

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/2796-0-0x0000000075130000-0x0000000075160000-memory.dmp

Filesize
192KB

Download
memory/2796-1-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/2796-2-0x0000000075130000-0x0000000075160000-memory.dmp

Filesize
192KB

Download