Analysis
- max time kernel
134s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
03/04/2024, 01:34
Static task
static1
Behavioral task
behavioral1
Sample
co-trustee delegation agreement 66445.js
Resource
win7-20240221-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
co-trustee delegation agreement 66445.js
Resource
win10v2004-20231215-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target co-trustee delegation agreement 66445.js
- Size 22.5MB
- Sample240403-by7fcscb56
- SHA256 1aeea9f11766b43172a31323560f1198647e219aaa8ba332aabc8e27c59fa07b
- MD5 f65caf108ee51de0471dc6b7d915f8c3
- SHA1 e7336957f513ae9d5747b80a8fdd58ce4704f79d
- SHA512 73665c083304ea2b084030b7ad152af65c7ba38cf2b71b80ecb4e0a33b51c83fa236b8695dfedab4d15ed197b64a42cf0018a1378605ca34126d0208a6635434
- SSDEEP 49152:L7V7zjCxbzqHlp4LhyN0kfhDzGZzjYzYsmCD+8z2V35kr/9SbGqmr3quVIKwglcY:b333333D
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
- Blocklisted process makes network request 3 IoCs
flow pid Process 59 1632 powershell.exe 65 1632 powershell.exe 68 1632 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation wscript.EXE - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ powershell.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ powershell.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe 1632 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1632 powershell.exe Token: SeIncreaseQuotaPrivilege 1632 powershell.exe Token: SeSecurityPrivilege 1632 powershell.exe Token: SeTakeOwnershipPrivilege 1632 powershell.exe Token: SeLoadDriverPrivilege 1632 powershell.exe Token: SeSystemProfilePrivilege 1632 powershell.exe Token: SeSystemtimePrivilege 1632 powershell.exe Token: SeProfSingleProcessPrivilege 1632 powershell.exe Token: SeIncBasePriorityPrivilege 1632 powershell.exe Token: SeCreatePagefilePrivilege 1632 powershell.exe Token: SeBackupPrivilege 1632 powershell.exe Token: SeRestorePrivilege 1632 powershell.exe Token: SeShutdownPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeSystemEnvironmentPrivilege 1632 powershell.exe Token: SeRemoteShutdownPrivilege 1632 powershell.exe Token: SeUndockPrivilege 1632 powershell.exe Token: SeManageVolumePrivilege 1632 powershell.exe Token: 33 1632 powershell.exe Token: 34 1632 powershell.exe Token: 35 1632 powershell.exe Token: 36 1632 powershell.exe Token: SeIncreaseQuotaPrivilege 1632 powershell.exe Token: SeSecurityPrivilege 1632 powershell.exe Token: SeTakeOwnershipPrivilege 1632 powershell.exe Token: SeLoadDriverPrivilege 1632 powershell.exe Token: SeSystemProfilePrivilege 1632 powershell.exe Token: SeSystemtimePrivilege 1632 powershell.exe Token: SeProfSingleProcessPrivilege 1632 powershell.exe Token: SeIncBasePriorityPrivilege 1632 powershell.exe Token: SeCreatePagefilePrivilege 1632 powershell.exe Token: SeBackupPrivilege 1632 powershell.exe Token: SeRestorePrivilege 1632 powershell.exe Token: SeShutdownPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeSystemEnvironmentPrivilege 1632 powershell.exe Token: SeRemoteShutdownPrivilege 1632 powershell.exe Token: SeUndockPrivilege 1632 powershell.exe Token: SeManageVolumePrivilege 1632 powershell.exe Token: 33 1632 powershell.exe Token: 34 1632 powershell.exe Token: 35 1632 powershell.exe Token: 36 1632 powershell.exe Token: SeIncreaseQuotaPrivilege 1632 powershell.exe Token: SeSecurityPrivilege 1632 powershell.exe Token: SeTakeOwnershipPrivilege 1632 powershell.exe Token: SeLoadDriverPrivilege 1632 powershell.exe Token: SeSystemProfilePrivilege 1632 powershell.exe Token: SeSystemtimePrivilege 1632 powershell.exe Token: SeProfSingleProcessPrivilege 1632 powershell.exe Token: SeIncBasePriorityPrivilege 1632 powershell.exe Token: SeCreatePagefilePrivilege 1632 powershell.exe Token: SeBackupPrivilege 1632 powershell.exe Token: SeRestorePrivilege 1632 powershell.exe Token: SeShutdownPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeSystemEnvironmentPrivilege 1632 powershell.exe Token: SeRemoteShutdownPrivilege 1632 powershell.exe Token: SeUndockPrivilege 1632 powershell.exe Token: SeManageVolumePrivilege 1632 powershell.exe Token: 33 1632 powershell.exe Token: 34 1632 powershell.exe Token: 35 1632 powershell.exe Token: 36 1632 powershell.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3084 wrote to memory of 3708 3084 wscript.EXE 94 PID 3084 wrote to memory of 3708 3084 wscript.EXE 94 PID 3708 wrote to memory of 1632 3708 cscript.exe 96 PID 3708 wrote to memory of 1632 3708 cscript.exe 96 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\co-trustee delegation agreement 66445.js"1⤵PID:2032
-
C:\Windows\system32\wscript.EXEC:\Windows\system32\wscript.EXE CIOADV~1.JS1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3084 -
C:\Windows\System32\cscript.exe"C:\Windows\System32\cscript.exe" "CIOADV~1.JS"2⤵
- Suspicious use of WriteProcessMemory
PID:3708 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell3⤵
- Blocklisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1632
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_puqxkcs3.umb.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\CIOADV~1.JS
- Size 38.4MB
- SHA256 e6915bea532e7bab93c5ee4087fe9e9f4eb8859086b0010179fe8877af1fd501
- MD5 c7fe3d2082be7954c3fff0cdafc803a0
- SHA1 7bbd75b49f1a51a41ffc0c8f3b84607dbd2ee863
- SHA512 7524870d722c72b092cda6f88a377cd7b27fcede9068a3720e30600919bb95fdd44a454f87f78afa4551fd801489bb59853b98d1868cc6b7082c18cd24561384
- SSDEEP 3072:rooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooa:K
- MD5 SHA1 SHA512 SSDEEP