c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

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
Sample250331-apdw1ssjs8
SHA256 271ef3c1d022829f0b15f2471d05a28d4786abafd0a9e1e742bde3f6b36872ad
MD5 a12e733ddbe6f404b27474fa0e5de61d
SHA1 e8d0c95621a19131ef9480e58a8d6dd3d15c9acd
SHA512 f27605a283e958690eb7ad50aa46110b6d155217ad09d658ad3f9c4368d4c66ab623a0cc3489d695a02db462fec3bcf8ebee13f9da1bd61e2e3db46de2d73ddf
SSDEEP 12288:xtwee4XgIijsCMtcTCWVRapiyC9vwic8CPK3EOnA+u+:8efgIiICMtIChp8N2K3EOAK
MD5 SHA1 SHA512 SSDEEP

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

stable.identity_helper.exe.manifest

Path C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\identity_proxy\stable.identity_helper.exe.manifest
Size 2KB
SHA256 f5aa424a2f996c8e1032bd9a3ec68350fad3916032efc25d6c685d2037a84e3e
MD5 9355de0b4ce14f2a8f3f2619cdaa2593
SHA1 0edcd7c9f8cdfd3b6f259ef937779d5808f33e9c
SHA512 3a27923a052e24b3861d39c722b11aff9386f3d3d59443690e3aed6d1206299f3aa84d4ffa6984a43976eaaf709f052963c655db61481716cf3403c70cc42f9c
MD5 SHA1 SHA512

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!!FAQ for Decryption!!.txt

Path C:\Program Files\Common Files\DESIGNER\!!FAQ for Decryption!!.txt
Size 346B
SHA256 9aaf714f40a29e0b10c038a79e26a95a934b7eeec3512a970d8c80f8a6daebd5
MD5 69acb73a5829bdddc9a7cf322178c70f
SHA1 3cd71f6cc40c90322e027712403899db2976218b
SHA512 380b506e330f4592cceee56334131cf6493bd989464afc5503bbd6bec0b9073475cfabbd8f37e471cac9f67fbfe07e747660ff6b9f5e0d9d14761e80ead6c57e
MD5 SHA1 SHA512

Submit Download

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

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

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

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

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

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

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

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