dridex | 5ee4e0b46516e1be27d492500fa8f3546065577292b00941c182d99f53e7e726

Analysis

max time kernel
95s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 20:33

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General

Target

82b32e73bb291bc2aac867ea88fb0f70N.dll
Size

277KB
MD5

82b32e73bb291bc2aac867ea88fb0f70
SHA1

70f9887b8a13904bcdde3baf71980cfec08b6fb8
SHA256

5ee4e0b46516e1be27d492500fa8f3546065577292b00941c182d99f53e7e726
SHA512

d94b4152bab1cc29ce9406e2c3553f8efa46df32dcad1220ccf803c85acfcdc0503a0fcf23924a8b14eddc55b3c9e2b43505c3725354ad2089baa318b6f4c71b
SSDEEP

6144:azWxkOP4pOcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEkCLP5:TSOP49e6yHPJo3d0KJ4z1WE9au/4pACP

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1908-0-0x0000000074FF0000-0x0000000075021000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2228	1908	WerFault.exe	83

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 2816 wrote to memory of 1908	2816	rundll32.exe	83
PID 2816 wrote to memory of 1908	2816	rundll32.exe	83
PID 2816 wrote to memory of 1908	2816	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82b32e73bb291bc2aac867ea88fb0f70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\82b32e73bb291bc2aac867ea88fb0f70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 644
    3⤵
    - Program crash
    PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1908 -ip 1908
1⤵
PID:2232

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/1908-0-0x0000000074FF0000-0x0000000075021000-memory.dmp

Filesize
196KB

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memory/1908-2-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

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