dridex | ca5597ff9df907b5fa4c9a0be2d961af5a1bd7d189997795213308271337b5c8

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:03

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General

Target

ca5597ff9df907b5fa4c9a0be2d961af5a1bd7d189997795213308271337b5c8.dll
Size

164KB
MD5

2a9a3d5ecd803b89820d9d816f5d1203
SHA1

857ce79aad8ce6c8f7920d40c067c06a410100ef
SHA256

ca5597ff9df907b5fa4c9a0be2d961af5a1bd7d189997795213308271337b5c8
SHA512

5c775a04097346b06e8be12ae990e86b16457d4624967dd83d65a6f397b8e06e666d1d9735d39103a0fa65403fa153796ee5dec999fdc246a3089e289aeb9346
SSDEEP

3072:BBefihU8fQ2Sob/xg+eNV1A1I3aiI8i3GdVAzuECtNjP3/3ioP7y11a0E:BBefiv/12+2A1AIpFzxCtNjHSoPm11J

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

45.123.40.54:443

82.209.17.209:8172

180.250.21.2:13721

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2696-0-0x0000000010000000-0x000000001002F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	2696	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 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2068 wrote to memory of 2696	2068	rundll32.exe	30
PID 2696 wrote to memory of 2868	2696	rundll32.exe	31
PID 2696 wrote to memory of 2868	2696	rundll32.exe	31
PID 2696 wrote to memory of 2868	2696	rundll32.exe	31
PID 2696 wrote to memory of 2868	2696	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca5597ff9df907b5fa4c9a0be2d961af5a1bd7d189997795213308271337b5c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca5597ff9df907b5fa4c9a0be2d961af5a1bd7d189997795213308271337b5c8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 236
    3⤵
    - Program crash
    PID:2868

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/2696-1-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

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memory/2696-0-0x0000000010000000-0x000000001002F000-memory.dmp

Filesize
188KB

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