dridex | 59f4030b2688516106fdb11f9c87ca8f9f4a28a96a27026d8b84dc33f1573d17

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 22:58

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General

Target

59f4030b2688516106fdb11f9c87ca8f9f4a28a96a27026d8b84dc33f1573d17N.dll
Size

184KB
MD5

41ac7e43809dabf48a4b57423ea962f0
SHA1

eb44e46d9a90ec2cd2cff62da8c793b00061ccb3
SHA256

59f4030b2688516106fdb11f9c87ca8f9f4a28a96a27026d8b84dc33f1573d17
SHA512

8bbe7541405295dba0d147ea1d2bfafe0bd47714c313f365f63dba4c2679fb63548eb1dd7d1a55745f899b496cbcaeb7cb0c5d2379a791fb4e4cc37cb54dcfac
SSDEEP

3072:UJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JWa//2uFrSc:ZfYOX+wTScR/Xzku9LVw1uG

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
behavioral2/memory/4080-1-0x0000000074B40000-0x0000000074B6F000-memory.dmp	dridex_ldr
behavioral2/memory/4080-2-0x0000000074B40000-0x0000000074B6F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4464	4080	WerFault.exe	82

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 2184 wrote to memory of 4080	2184	rundll32.exe	82
PID 2184 wrote to memory of 4080	2184	rundll32.exe	82
PID 2184 wrote to memory of 4080	2184	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59f4030b2688516106fdb11f9c87ca8f9f4a28a96a27026d8b84dc33f1573d17N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\59f4030b2688516106fdb11f9c87ca8f9f4a28a96a27026d8b84dc33f1573d17N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 616
    3⤵
    - Program crash
    PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4080 -ip 4080
1⤵
PID:3676

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/4080-0-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/4080-1-0x0000000074B40000-0x0000000074B6F000-memory.dmp

Filesize
188KB

Download
memory/4080-2-0x0000000074B40000-0x0000000074B6F000-memory.dmp

Filesize
188KB

Download
memory/4080-3-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download