dridex | 521d05303a3f43b43f899ce752cd62e1ebb687fbad630d8af6455c96608e8cc8

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:20

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General

Target

JaffaCakes118_521d05303a3f43b43f899ce752cd62e1ebb687fbad630d8af6455c96608e8cc8.dll
Size

163KB
MD5

5704364025aa376f1ac7a9574f88ed48
SHA1

a0ed503bdb5ec89016405b5f6da909de4b97d843
SHA256

521d05303a3f43b43f899ce752cd62e1ebb687fbad630d8af6455c96608e8cc8
SHA512

6adf640e41ebc038d32c9d26b6c4e83dd8de7e07dff582bf719d56801d1778579b9e2e17990ef3c1df449871531a55d760f7f602fb906f2a386f09729ad8eff4
SSDEEP

3072:g9F/oNrQb4xVubbXP/NTccbsFvCeLmXH57V30e8Pj:g9F6rQXvFczvYpQP

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2080-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2080-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	2080	WerFault.exe	31

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 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2460 wrote to memory of 2080	2460	rundll32.exe	31
PID 2080 wrote to memory of 2900	2080	rundll32.exe	32
PID 2080 wrote to memory of 2900	2080	rundll32.exe	32
PID 2080 wrote to memory of 2900	2080	rundll32.exe	32
PID 2080 wrote to memory of 2900	2080	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_521d05303a3f43b43f899ce752cd62e1ebb687fbad630d8af6455c96608e8cc8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_521d05303a3f43b43f899ce752cd62e1ebb687fbad630d8af6455c96608e8cc8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 236
    3⤵
    - Program crash
    PID:2900

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/2080-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2080-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2080-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2080-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download