dridex | 77d1bd99c2bc6c6258ac69223c02fba71d5f1e8961a3e3b965d19508835dbbce

Analysis

max time kernel
148s
max time network
150s
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 16:47

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General

Target

JaffaCakes118_77d1bd99c2bc6c6258ac69223c02fba71d5f1e8961a3e3b965d19508835dbbce.dll
Size

184KB
MD5

a48a6021166ca9394a5fd0277ff6f784
SHA1

8c07a815a2979fba9aae6c4a6ef036f8dae3fbc1
SHA256

77d1bd99c2bc6c6258ac69223c02fba71d5f1e8961a3e3b965d19508835dbbce
SHA512

a981ec2c2c7252bd76eae0d1b86c0ed99f7fc929b2d08ff3dae1d3cf210fee89fa2e38905d1cc1d0fdc0642827925359c9aeacb7fed39be11f122fc094a0f6e3
SSDEEP

3072:xuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kclmsb:b7TXYsd9SkONU1jKGl/lm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/4116-1-0x0000000075530000-0x0000000075560000-memory.dmp	dridex_ldr
behavioral2/memory/4116-2-0x0000000075530000-0x0000000075560000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4356	4116	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 4972 wrote to memory of 4116	4972	rundll32.exe	83
PID 4972 wrote to memory of 4116	4972	rundll32.exe	83
PID 4972 wrote to memory of 4116	4972	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77d1bd99c2bc6c6258ac69223c02fba71d5f1e8961a3e3b965d19508835dbbce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77d1bd99c2bc6c6258ac69223c02fba71d5f1e8961a3e3b965d19508835dbbce.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 616
    3⤵
    - Program crash
    PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4116 -ip 4116
1⤵
PID:4888

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/4116-0-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4116-1-0x0000000075530000-0x0000000075560000-memory.dmp

Filesize
192KB

Download
memory/4116-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4116-2-0x0000000075530000-0x0000000075560000-memory.dmp

Filesize
192KB

Download