dridex | e35d1c23c98aa2f0159eb222030b43f7cbf14549e3edf381577634ad8bcb68d8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 10:03

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General

Target

769e43b2f8447602ab856cf0e19539a0N.dll
Size

184KB
MD5

769e43b2f8447602ab856cf0e19539a0
SHA1

3b35303393553a99756f1eda744fa3f376cde0b0
SHA256

e35d1c23c98aa2f0159eb222030b43f7cbf14549e3edf381577634ad8bcb68d8
SHA512

95047ba89e6797ad81d9fe169b1f56d85f9f68ad659127cc72ee38e4ac65c0707f9c761de1aa0bd2574e60a25d1b67b0f78d2e24f58781f08d11a7fc6f022109
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JDa//2uFrSc:mfYOX+wTScR/Xzku9LVwouG

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

resource	yara_rule
behavioral1/memory/3052-1-0x0000000074900000-0x000000007492F000-memory.dmp	dridex_ldr
behavioral1/memory/3052-2-0x0000000074900000-0x000000007492F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1312	3052	WerFault.exe	28

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 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 2948 wrote to memory of 3052	2948	rundll32.exe	28
PID 3052 wrote to memory of 1312	3052	rundll32.exe	31
PID 3052 wrote to memory of 1312	3052	rundll32.exe	31
PID 3052 wrote to memory of 1312	3052	rundll32.exe	31
PID 3052 wrote to memory of 1312	3052	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\769e43b2f8447602ab856cf0e19539a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\769e43b2f8447602ab856cf0e19539a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 220
    3⤵
    - Program crash
    PID:1312

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/3052-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3052-1-0x0000000074900000-0x000000007492F000-memory.dmp

Filesize
188KB

Download
memory/3052-2-0x0000000074900000-0x000000007492F000-memory.dmp

Filesize
188KB

Download
memory/3052-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download