9d96a336e5c41ac3d610b59f873f2186286f4d999640953ae48031c0af33794e

Analysis

max time kernel
135s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 03:24

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General

Target

hydra-5.4-win/cygwin1.dll
Size

1.7MB
MD5

8c161a06acdcfb10a5a4b4e2500658f7
SHA1

6ca70a2b11026203eabd7d654adefe3d6c933eda
SHA256

934c2242f260e12ef57fb07aa4bf97f2005a7022659e916a6debfd237a933c4f
SHA512

d56f11038436f24e6e1350ef0ada8d5698daa2a8108900f69ceb8547a681117e36096896a356a59f0b34701094ca7911d9eb13687d21c6dbcf96bc37873a9055
SSDEEP

49152:q8lLz/PKY1cJT/8TD9JCwR/OmYP23I91TV+t3CffMto:q8lLz/PBg/jmYPH1TV+ty3d

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4588	4504	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

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Cygnus Solutions	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Cygnus Solutions\Cygwin	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Cygnus Solutions\Cygwin\mounts v2	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4504	4636	rundll32.exe	84
PID 4636 wrote to memory of 4504	4636	rundll32.exe	84
PID 4636 wrote to memory of 4504	4636	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hydra-5.4-win\cygwin1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\hydra-5.4-win\cygwin1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:4504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 740
    3⤵
    - Program crash
    PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4504 -ip 4504
1⤵
PID:5020

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/4504-0-0x0000000061000000-0x0000000061180000-memory.dmp

Filesize
1.5MB

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memory/4504-2-0x0000000061000000-0x0000000061180000-memory.dmp

Filesize
1.5MB

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