c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

Resubmissions

31/03/2025, 00:22

250331-apdw1ssjs8 10

28/03/2025, 22:52

250328-2tfd7avl15 10

25/03/2025, 14:57

250325-sb3mbsxxht 10

Analysis

max time kernel
788s
max time network
803s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20250314-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
submitted
31/03/2025, 00:22

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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

10^/10

discovery ransomware

Malware Config

Extracted

Path

C:\Program Files\Common Files\DESIGNER\!!FAQ for Decryption!!.txt

Ransom Note

Good day. All your files are encrypted. For decryption contact us. Write here [email protected] We also inform that your databases, ftp server and file server were downloaded by us to our servers. * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss.

Emails

[email protected]

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 behavior: EnumeratesProcesses 14 IoCs

pid	Process
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe
1352	Cuba_08_03_2021_1130KB.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 764	1352	Cuba_08_03_2021_1130KB.exe	82
PID 1352 wrote to memory of 764	1352	Cuba_08_03_2021_1130KB.exe	82
PID 1352 wrote to memory of 764	1352	Cuba_08_03_2021_1130KB.exe	82

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"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\cmd.exe
  /c del C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\identity_proxy\stable.identity_helper.exe.manifest

Filesize
2KB

MD5
9355de0b4ce14f2a8f3f2619cdaa2593

SHA1
0edcd7c9f8cdfd3b6f259ef937779d5808f33e9c

SHA256
f5aa424a2f996c8e1032bd9a3ec68350fad3916032efc25d6c685d2037a84e3e

SHA512
3a27923a052e24b3861d39c722b11aff9386f3d3d59443690e3aed6d1206299f3aa84d4ffa6984a43976eaaf709f052963c655db61481716cf3403c70cc42f9c

Download Submit
C:\Program Files\Common Files\DESIGNER\!!FAQ for Decryption!!.txt

Filesize
346B

MD5
69acb73a5829bdddc9a7cf322178c70f

SHA1
3cd71f6cc40c90322e027712403899db2976218b

SHA256
9aaf714f40a29e0b10c038a79e26a95a934b7eeec3512a970d8c80f8a6daebd5

SHA512
380b506e330f4592cceee56334131cf6493bd989464afc5503bbd6bec0b9073475cfabbd8f37e471cac9f67fbfe07e747660ff6b9f5e0d9d14761e80ead6c57e

Download Submit
memory/1352-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1352-0-0x0000000002150000-0x00000000021B0000-memory.dmp

Filesize
384KB

Download
memory/1352-3954-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/1352-7168-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1352-11432-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/1352-14515-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1352-14514-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download