dridex | b506e994da7c23667b60a0684746914e87a58118fa4be2749f463560825a03da

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 21:04

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General

Target

JaffaCakes118_b506e994da7c23667b60a0684746914e87a58118fa4be2749f463560825a03da.dll
Size

184KB
MD5

5465633cfd1576f70dac352fcecab2d5
SHA1

d03c93d43e6149e7d8808e2a9844e730ac90494a
SHA256

b506e994da7c23667b60a0684746914e87a58118fa4be2749f463560825a03da
SHA512

999f018a14aa41a0339d60513637b9a4486f550e6d80dbebb175da56272bbff8f5d26243d892592caeac4bca21766fc6b26995480dbfb064784c5bb0a523d5d6
SSDEEP

3072:PJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J+a//2uFrSc:cfYOX+wTScR/Xzku9LVwJuG

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
behavioral2/memory/4840-1-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr
behavioral2/memory/4840-2-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
812	4840	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 4840	3800	rundll32.exe	84
PID 3800 wrote to memory of 4840	3800	rundll32.exe	84
PID 3800 wrote to memory of 4840	3800	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b506e994da7c23667b60a0684746914e87a58118fa4be2749f463560825a03da.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b506e994da7c23667b60a0684746914e87a58118fa4be2749f463560825a03da.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 616
    3⤵
    - Program crash
    PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4840 -ip 4840
1⤵
PID:2920

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/4840-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/4840-1-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/4840-2-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/4840-3-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download