dridex | 5139767b65efe98a8c98bcd89cf51d14e7b95040600b460dd07f525f19a9f4cb

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 10:22

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General

Target

JaffaCakes118_5139767b65efe98a8c98bcd89cf51d14e7b95040600b460dd07f525f19a9f4cb.dll
Size

184KB
MD5

e4a7dc457b51daba34b4d380734ff525
SHA1

980257b95df1f16ec3d61ad19c79dd7ac961e6ac
SHA256

5139767b65efe98a8c98bcd89cf51d14e7b95040600b460dd07f525f19a9f4cb
SHA512

4408cb931d00980e436891b16527e40d2126aed21b9f19e6caaa96dded3d74d230fd772f5219979ad4f69c75082a4683a4f8aa6700cbde6e75d6116aa2cf4baa
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jca//2uFrSc:mfYOX+wTScR/Xzku9LVwruG

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/796-0-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr
behavioral2/memory/796-3-0x0000000075200000-0x000000007522F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	796	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 920 wrote to memory of 796	920	rundll32.exe	83
PID 920 wrote to memory of 796	920	rundll32.exe	83
PID 920 wrote to memory of 796	920	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5139767b65efe98a8c98bcd89cf51d14e7b95040600b460dd07f525f19a9f4cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5139767b65efe98a8c98bcd89cf51d14e7b95040600b460dd07f525f19a9f4cb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 616
    3⤵
    - Program crash
    PID:1712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 796 -ip 796
1⤵
PID:3268

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/796-0-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download
memory/796-2-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/796-3-0x0000000075200000-0x000000007522F000-memory.dmp

Filesize
188KB

Download