dridex | 93d24a66d3526622ed6a8b1ec277027f3b35a40d522bd81ad302218f85240ee0

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 15:19

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General

Target

f7364b58896b978ed1a85709e52ad000N.dll
Size

277KB
MD5

f7364b58896b978ed1a85709e52ad000
SHA1

2f0746586546e5f9ceab1f524fbe8968329522ea
SHA256

93d24a66d3526622ed6a8b1ec277027f3b35a40d522bd81ad302218f85240ee0
SHA512

7bec369e0e108c974acc512589f054794850f5db2245a155cc056369bae2746219ddba53860b546845b8d1e109fa9c4e559839960086cfe0aedf6d391a757cba
SSDEEP

6144:ozWxkOP4p2EesvcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEl:NSOP47es0e6yHPJo3d0KJ4z1WE9au/4L

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
behavioral1/memory/1700-0-0x0000000074650000-0x0000000074681000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2188	1700	WerFault.exe	30

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 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 2344 wrote to memory of 1700	2344	rundll32.exe	30
PID 1700 wrote to memory of 2188	1700	rundll32.exe	32
PID 1700 wrote to memory of 2188	1700	rundll32.exe	32
PID 1700 wrote to memory of 2188	1700	rundll32.exe	32
PID 1700 wrote to memory of 2188	1700	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7364b58896b978ed1a85709e52ad000N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7364b58896b978ed1a85709e52ad000N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 220
    3⤵
    - Program crash
    PID:2188

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/1700-2-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

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memory/1700-0-0x0000000074650000-0x0000000074681000-memory.dmp

Filesize
196KB

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