dridex | 4dcba300c812890f29dfa7b779f43162adb8d1b8c395081528b9971dec5e8b06

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2024, 22:16

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General

Target

JaffaCakes118_4dcba300c812890f29dfa7b779f43162adb8d1b8c395081528b9971dec5e8b06.dll
Size

184KB
MD5

81b7f518f4cdf9c91e2ee951c818fab7
SHA1

c59589412d33300208e91eba00749e08e9f7c68d
SHA256

4dcba300c812890f29dfa7b779f43162adb8d1b8c395081528b9971dec5e8b06
SHA512

61fcae13d60cf06406fc807e6b2b7b10c3f7da1bdc73fdc391e87c77a23e8586bc9ad678c5dee6167aba99eb2bbac6f1de4142b003fd7494a9d6f1fe2751410e
SSDEEP

3072:aJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jxa//2uFrSc:7fYOX+wTScR/Xzku9LVwyuG

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/3256-1-0x0000000075260000-0x000000007528F000-memory.dmp	dridex_ldr
behavioral2/memory/3256-2-0x0000000075260000-0x000000007528F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3636	3256	WerFault.exe	83

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 3088 wrote to memory of 3256	3088	rundll32.exe	83
PID 3088 wrote to memory of 3256	3088	rundll32.exe	83
PID 3088 wrote to memory of 3256	3088	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4dcba300c812890f29dfa7b779f43162adb8d1b8c395081528b9971dec5e8b06.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4dcba300c812890f29dfa7b779f43162adb8d1b8c395081528b9971dec5e8b06.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 624
    3⤵
    - Program crash
    PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3256 -ip 3256
1⤵
PID:1308

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/3256-0-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/3256-1-0x0000000075260000-0x000000007528F000-memory.dmp

Filesize
188KB

Download
memory/3256-3-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/3256-2-0x0000000075260000-0x000000007528F000-memory.dmp

Filesize
188KB

Download