34656d6efe5e329fb875b47c7c76192af1089bc3e3dd365f8fb11347be456bf3

General

Target
2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
Size 3.6MB
Sample260523-dk9pnset8t
SHA256 34656d6efe5e329fb875b47c7c76192af1089bc3e3dd365f8fb11347be456bf3
MD5 9231a8684e61d483ba8acf93788a7d71
SHA1 2559dbcb805476d6b672d0182f922548338d4fa8
SHA512 aba9401bcb797497dffd3f83fbe28d3d1134f498d5c4106a3163df760c3dcc14bcbe268da370be197a1859ea78d6f06106cf288b60b4c0a97963825eb6c1ec11
SSDEEP 49152:ETdT0+4gAjhewqTC53C5VTdT0+4gAjhewqTC53C5s+4gAjhh:T+4jD5S54+4jD5S5s+4jn
TLSH
T1DB06162437F94E22F2BB5A75A97082911D3B7D214F3493CF26416E4D3E366C0993AB63
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

ransomware spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\UseGroup.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\HelpPane.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\notepad.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\splwow64.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\winhlp32.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\write.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\bfsvc.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\explorer.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\hh.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
File created	C:\Windows\regedit.exe	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4940	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 4940	956	2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_9231a8684e61d483ba8acf93788a7d71_amadey_cobalt-strike_hijackloader_luca-stealer_njrat_satacom_vidar_wannacry.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL554F.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4940

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

vcredist_x86.exe

Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
Size 4.1MB
SHA256 198151d32c0719abd3a9d4962b7e204e48fa57563cae9ff258d98a83713b6e6e
MD5 106485cda05c80bfa1322377327aa569
SHA1 01c5d9f8f971bbb099c9a239df0e7f0cecbdef66
SHA512 eb119ca5eff19bf055024b82363562f5985ab09cd089b3e514cf562aba1bfc2387f8f156991c8acbb7a471a2984993c13003e5df424d34fd820ae9b87be53800
SSDEEP 49152:ETdT0+4gAjhewqTC53C5VTdT0+4gAjhewqTC53C5s+4gAjhpUasqc:T+4jD5S54+4jD5S5s+4jnPF
TLSH
T14016272437F94E22F2BB5A75A97082A01D3B7D254F3493CF26416E4D3E356C0993AB63
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WEL554F.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL554F.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH