dridex | 0bf21aa5340cec7cda738107aa0b4ae59717663758677b602338a488262f8a49

Analysis

max time kernel
92s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 18:39

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General

Target

0bf21aa5340cec7cda738107aa0b4ae59717663758677b602338a488262f8a49.dll
Size

184KB
MD5

749d7397b6db0e3df47a17f2908e3211
SHA1

e4dbaad3c5338005ef627661865fd04a71c8d6d1
SHA256

0bf21aa5340cec7cda738107aa0b4ae59717663758677b602338a488262f8a49
SHA512

9375198c58e300ebb7f165fc1b3c35bc67827e2fbb0cbf081fef89ac97fd8193b95483612fe134cdc6bb6b308b66e36ad7748925a46a2ac2afc0c4ac32b59674
SSDEEP

3072:CuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kylmsb:87TXYsd9SkONU1jKGltlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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/2268-1-0x0000000074E20000-0x0000000074E50000-memory.dmp	dridex_ldr
behavioral2/memory/2268-2-0x0000000074E20000-0x0000000074E50000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	2268	WerFault.exe	85

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 2740 wrote to memory of 2268	2740	rundll32.exe	85
PID 2740 wrote to memory of 2268	2740	rundll32.exe	85
PID 2740 wrote to memory of 2268	2740	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bf21aa5340cec7cda738107aa0b4ae59717663758677b602338a488262f8a49.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bf21aa5340cec7cda738107aa0b4ae59717663758677b602338a488262f8a49.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 616
    3⤵
    - Program crash
    PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2268 -ip 2268
1⤵
PID:4904

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/2268-0-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x0000000074E20000-0x0000000074E50000-memory.dmp

Filesize
192KB

Download
memory/2268-3-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2268-2-0x0000000074E20000-0x0000000074E50000-memory.dmp

Filesize
192KB

Download