dridex | 6319748bd624da602ba845e1926db5578e6dd2a829a17aa0fa0ab7a3b39a3e7c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:02

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General

Target

JaffaCakes118_6319748bd624da602ba845e1926db5578e6dd2a829a17aa0fa0ab7a3b39a3e7c.dll
Size

184KB
MD5

93cbcdc9761a83236d91a8b2c19dd2b2
SHA1

23c06476006f0c9d63d7077e557c8d01f1d32b1c
SHA256

6319748bd624da602ba845e1926db5578e6dd2a829a17aa0fa0ab7a3b39a3e7c
SHA512

81cef1adef943cef9158bc94228c56f47ceecc3ec8f5aa25db2e419cf0993e2d830ae5a5c783c1e6c45d976373d0eb7f029bdc0a7ac26ad7af59a85d560ae220
SSDEEP

3072:PJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jda//2uFrSc:cfYOX+wTScR/Xzku9LVwauG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2900-1-0x0000000074B50000-0x0000000074B7F000-memory.dmp	dridex_ldr
behavioral1/memory/2900-2-0x0000000074B50000-0x0000000074B7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	2900	WerFault.exe	28

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 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2868 wrote to memory of 2900	2868	rundll32.exe	28
PID 2900 wrote to memory of 2312	2900	rundll32.exe	29
PID 2900 wrote to memory of 2312	2900	rundll32.exe	29
PID 2900 wrote to memory of 2312	2900	rundll32.exe	29
PID 2900 wrote to memory of 2312	2900	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6319748bd624da602ba845e1926db5578e6dd2a829a17aa0fa0ab7a3b39a3e7c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6319748bd624da602ba845e1926db5578e6dd2a829a17aa0fa0ab7a3b39a3e7c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 220
    3⤵
    - Program crash
    PID:2312

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/2900-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2900-1-0x0000000074B50000-0x0000000074B7F000-memory.dmp

Filesize
188KB

Download
memory/2900-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2900-2-0x0000000074B50000-0x0000000074B7F000-memory.dmp

Filesize
188KB

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