dridex | aa17163a9063154feead2ea555f5ad8bdc520db2ccbf8fdb24483c150f7a2ee5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 21:33

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General

Target

aa17163a9063154feead2ea555f5ad8bdc520db2ccbf8fdb24483c150f7a2ee5N.dll
Size

184KB
MD5

cd4c59940bec15288f95f1b2384d5630
SHA1

e4121f82d38971851b802c41047bf980b360b42a
SHA256

aa17163a9063154feead2ea555f5ad8bdc520db2ccbf8fdb24483c150f7a2ee5
SHA512

21e2c111c264b4678ace7b68caa4ce5cd50bbf4ac667fd4ed7af48c9cec79828cdc7979fc4e7a056091c3f0937d7318a13cb3a80c9d2bbc59f479b7863a0578a
SSDEEP

3072:iJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JBa//2uFrSc:DfYOX+wTScR/Xzku9LVw6uG

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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3020-0-0x0000000074680000-0x00000000746AF000-memory.dmp	dridex_ldr
behavioral1/memory/3020-3-0x0000000074680000-0x00000000746AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2396 3020 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2396	3020	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 3020	2032	rundll32.exe	rundll32.exe
PID 3020 wrote to memory of 2396	3020	rundll32.exe	WerFault.exe
PID 3020 wrote to memory of 2396	3020	rundll32.exe	WerFault.exe
PID 3020 wrote to memory of 2396	3020	rundll32.exe	WerFault.exe
PID 3020 wrote to memory of 2396	3020	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa17163a9063154feead2ea555f5ad8bdc520db2ccbf8fdb24483c150f7a2ee5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa17163a9063154feead2ea555f5ad8bdc520db2ccbf8fdb24483c150f7a2ee5N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 220
    3⤵
    - Program crash
    PID:2396

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/3020-0-0x0000000074680000-0x00000000746AF000-memory.dmp

Filesize
188KB

Download
memory/3020-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3020-3-0x0000000074680000-0x00000000746AF000-memory.dmp

Filesize
188KB

Download