dridex | 87b7508aa4a24f96d9290ecfc8f9f12e44d8e6d0af2aba7eeccf75e762b000cd

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 10:22 UTC

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General

Target

JaffaCakes118_87b7508aa4a24f96d9290ecfc8f9f12e44d8e6d0af2aba7eeccf75e762b000cd.dll
Size

188KB
MD5

a2529453f6fc55f718c3f5a9d4c2f6d4
SHA1

8dcb4df5a65b595a165f958d7adbca0501fc5dd6
SHA256

87b7508aa4a24f96d9290ecfc8f9f12e44d8e6d0af2aba7eeccf75e762b000cd
SHA512

8cbcdc57d11167cdbbe3c85d15235d14fc2a4cab4d8ee55249069dc527649961cf135faee2509bd155f89e3bf9cbd733ccf7590ea0120cc17841bdfd8b6f70e1
SSDEEP

3072:ZteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:1q7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

1
O8gS34J9YSWjLHlls2UUrobOVwkv2gxcuQGDftg29

rc4.plain

1
uKMtcv1AqGZruPo9ospRTBws8THw75AMb8FgkX5O4e9TcekeUYyEZPcdBYFbpQD81

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/2532-1-0x0000000074AD0000-0x0000000074B00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2056	2532	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 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2524 wrote to memory of 2532	2524	rundll32.exe	30
PID 2532 wrote to memory of 2056	2532	rundll32.exe	31
PID 2532 wrote to memory of 2056	2532	rundll32.exe	31
PID 2532 wrote to memory of 2056	2532	rundll32.exe	31
PID 2532 wrote to memory of 2056	2532	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87b7508aa4a24f96d9290ecfc8f9f12e44d8e6d0af2aba7eeccf75e762b000cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87b7508aa4a24f96d9290ecfc8f9f12e44d8e6d0af2aba7eeccf75e762b000cd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 300
    3⤵
    - Program crash
    PID:2056

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/2532-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2532-1-0x0000000074AD0000-0x0000000074B00000-memory.dmp

Filesize
192KB

Download
memory/2532-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download