c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

max time kernel
76s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 14:50 UTC

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General

Target

RansomwareSamples/Cuba_08_03_2021_1130KB.exe
Size

1.1MB
MD5

a12e733ddbe6f404b27474fa0e5de61d
SHA1

e8d0c95621a19131ef9480e58a8d6dd3d15c9acd
SHA256

271ef3c1d022829f0b15f2471d05a28d4786abafd0a9e1e742bde3f6b36872ad
SHA512

f27605a283e958690eb7ad50aa46110b6d155217ad09d658ad3f9c4368d4c66ab623a0cc3489d695a02db462fec3bcf8ebee13f9da1bd61e2e3db46de2d73ddf
SSDEEP

12288:xtwee4XgIijsCMtcTCWVRapiyC9vwic8CPK3EOnA+u+:8efgIiICMtIChp8N2K3EOAK

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2948	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	Cuba_08_03_2021_1130KB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2948	2704	Cuba_08_03_2021_1130KB.exe	30
PID 2704 wrote to memory of 2948	2704	Cuba_08_03_2021_1130KB.exe	30
PID 2704 wrote to memory of 2948	2704	Cuba_08_03_2021_1130KB.exe	30
PID 2704 wrote to memory of 2948	2704	Cuba_08_03_2021_1130KB.exe	30

C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe
C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe bcdedit /set shutdown /r /f /t 2
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\cmd.exe
  /c del C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2948

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/2704-0-0x00000000002B0000-0x0000000000310000-memory.dmp

Filesize
384KB

Download
memory/2704-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2704-2-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/2704-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Resubmissions

Analysis