dridex | efbcf9d40466ef79ab0e65efd902b69710ecca6cf406b49768d6322c5595a22c

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:45

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General

Target

JaffaCakes118_efbcf9d40466ef79ab0e65efd902b69710ecca6cf406b49768d6322c5595a22c.dll
Size

177KB
MD5

8e2b97ba6cb6f2de8430d36cafc8181d
SHA1

7411d1c3f089882c30e6436e59a695be760f79d4
SHA256

efbcf9d40466ef79ab0e65efd902b69710ecca6cf406b49768d6322c5595a22c
SHA512

5d3187229c5761f349d92e2b7189513c532f9588cefcdaf01a9fe3b923e68b5071df3672899a439bc4d907b5b0e19aaac5206b136bb9b5e1f0816cbcb0044edf
SSDEEP

3072:UuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:ozWxkOP4p2EesvcDi6DOHPJ

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1632-1-0x00000000748A0000-0x00000000748D1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	1632	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 1632	2524	rundll32.exe	30
PID 2524 wrote to memory of 1632	2524	rundll32.exe	30
PID 2524 wrote to memory of 1632	2524	rundll32.exe	30
PID 2524 wrote to memory of 1632	2524	rundll32.exe	30
PID 2524 wrote to memory of 1632	2524	rundll32.exe	30
PID 2524 wrote to memory of 1632	2524	rundll32.exe	30
PID 2524 wrote to memory of 1632	2524	rundll32.exe	30
PID 1632 wrote to memory of 2388	1632	rundll32.exe	32
PID 1632 wrote to memory of 2388	1632	rundll32.exe	32
PID 1632 wrote to memory of 2388	1632	rundll32.exe	32
PID 1632 wrote to memory of 2388	1632	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efbcf9d40466ef79ab0e65efd902b69710ecca6cf406b49768d6322c5595a22c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efbcf9d40466ef79ab0e65efd902b69710ecca6cf406b49768d6322c5595a22c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 220
    3⤵
    - Program crash
    PID:2388

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/1632-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1632-1-0x00000000748A0000-0x00000000748D1000-memory.dmp

Filesize
196KB

Download
memory/1632-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

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