6626cdbc6e4f16638523acfb157386e1294df9829d6b124e385a487c2dcfad90

Analysis

max time kernel
91s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/03/2024, 00:00

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General

Target
winact.bat
Size 954KB
Sample240301-aaaaaagb4w
SHA256 6626cdbc6e4f16638523acfb157386e1294df9829d6b124e385a487c2dcfad90
MD5 65f4fdd243532ebcab61bcf9916623a2
SHA1 de664b1bd89ee8101a651878aa28cd71ae71721e
SHA512 576fb719fcb544e43fdf4843613ac5c81f46451840b928bf0276407b0d0213f859ea8c87f9bf1b345264bd4b0f04d00018a1e0567882474e6bfc5805f688a720
SSDEEP 24576:Lsq0VLxdxvKdEAwEUMxhaZx/U1cWnl0kH:LWLxJEJ4DSTnljH
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 3 IoCs

exploit

pid	Process
1888	icacls.exe
2888	icacls.exe
4952	takeown.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1888	icacls.exe
2888	icacls.exe
4952	takeown.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1396	powershell.exe
1396	powershell.exe
4700	powershell.exe
4700	powershell.exe
2992	powershell.exe
2992	powershell.exe
1344	powershell.exe
1344	powershell.exe
3084	powershell.exe
3084	powershell.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4952	takeown.exe
Token: SeDebugPrivilege	1396	powershell.exe
Token: SeDebugPrivilege	4700	powershell.exe
Token: SeDebugPrivilege	2992	powershell.exe
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	3084	powershell.exe
Token: SeBackupPrivilege	3084	powershell.exe
Token: SeBackupPrivilege	3084	powershell.exe
Token: SeRestorePrivilege	3084	powershell.exe
Token: SeSecurityPrivilege	3084	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 4952	4112	cmd.exe	93
PID 4112 wrote to memory of 4952	4112	cmd.exe	93
PID 4112 wrote to memory of 1888	4112	cmd.exe	94
PID 4112 wrote to memory of 1888	4112	cmd.exe	94
PID 4112 wrote to memory of 2888	4112	cmd.exe	95
PID 4112 wrote to memory of 2888	4112	cmd.exe	95
PID 4112 wrote to memory of 1396	4112	cmd.exe	96
PID 4112 wrote to memory of 1396	4112	cmd.exe	96
PID 4112 wrote to memory of 4700	4112	cmd.exe	97
PID 4112 wrote to memory of 4700	4112	cmd.exe	97
PID 4112 wrote to memory of 2992	4112	cmd.exe	98
PID 4112 wrote to memory of 2992	4112	cmd.exe	98
PID 4112 wrote to memory of 1344	4112	cmd.exe	99
PID 4112 wrote to memory of 1344	4112	cmd.exe	99
PID 4112 wrote to memory of 3084	4112	cmd.exe	100
PID 4112 wrote to memory of 3084	4112	cmd.exe	100

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\winact.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\system32\takeown.exe
  takeown /F C:\Windows\System32\sppsvc.exe
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:4952
- C:\Windows\system32\icacls.exe
  icacls C:\Windows\System32 /grant administrators:F /T
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:1888
- C:\Windows\system32\icacls.exe
  icacls C:\Windows\System32\spp /grant administrators:F /T
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2888
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -c $acl = Get-Acl 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform'; $rule = New-Object System.Security.AccessControl.RegistryAccessRule ('NT Service\sppsvc','FullControl','ContainerInherit, ObjectInherit','None','Allow'); $acl.SetAccessRule($rule); Set-Acl -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform' -AclObject $acl
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1396
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -c $acl = Get-Acl 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP'; $rule = New-Object System.Security.AccessControl.RegistryAccessRule ('NT Service\sppsvc','FullControl','ContainerInherit, ObjectInherit','None','Allow'); $acl.SetAccessRule($rule); Set-Acl -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP' -AclObject $acl
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4700
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -c $acl = Get-Acl 'HKLM:\SYSTEM\CurrentControlSet\Services\SPPSVC'; $rule = New-Object System.Security.AccessControl.RegistryAccessRule ('NT Service\sppsvc','FullControl','ContainerInherit, ObjectInherit','None','Allow'); $acl.SetAccessRule($rule); Set-Acl -Path 'HKLM:\SYSTEM\CurrentControlSet\Services\SPPSVC' -AclObject $acl
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -c $acl = Get-Acl 'HKLM:\SYSTEM\WPA'; $rule = New-Object System.Security.AccessControl.RegistryAccessRule ('NT Service\sppsvc','FullControl','ContainerInherit, ObjectInherit','None','Allow'); $acl.SetAccessRule($rule); Set-Acl -Path 'HKLM:\SYSTEM\WPA' -AclObject $acl
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -c $acl = Get-Acl 'C:\Windows\System32'; $rule = New-Object System.Security.AccessControl.FileSystemAccessRule ('NT Service\sppsvc','FullControl','ContainerInherit, ObjectInherit','None','Allow'); $acl.SetAccessRule($rule); Set-Acl -Path 'C:\Windows\System32' -AclObject $acl
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3084

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 5054cd4d79ca09e90169cdaee05c1e3dfc5d6fa1ad1275e11fd094521fed3fb8
MD5 8fe7bd6cd1d64bcdabbf2e2ae72c5a28
SHA1 5e1080c3b8cc4c5bffc73ffe6d45fa073335d0de
SHA512 658004888ba70fa4a8c4b573d439496532c08b81afdc0b2419187c2ec9f3e42408d9a7c2bd2c73efd06fd5ada7ea57e1bb5d188e57ead32a7c0c900a82099f68
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 395e9885ff8593eb2002301c85919f0aadf6af6fa42b2cb78441e1e926e575a9
MD5 6bacbdfa362c3dabcb200c9accfbd836
SHA1 32869e376a77f4a1e609d191fc252c409a04e8ad
SHA512 7427d35c4a508641ad0ffbde4d0192ca038c9be4fb5add6b18220db3d8a7b88e59c12c947a888010a9ed36f62af27c1191edfc0619e6d85899692e345ddcdde2
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 2af624a2765ef3e28d52862732c34c0f1e0947ca0ea0a1151edd898829577088
MD5 33f526f6596f73ba293247cc2e790a94
SHA1 d11d735da502cbb913e257f2bf6456f126d91613
SHA512 9777f3fa777d3d8aef22c0b4f8f33d95ccf575a44a641b308e222725d093dc6b5794a43ac5458bca8264143a566e472e73204621b63b32019e3e0d95e6ff3591
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 1ff2581cf8e69f3ce057ebf7ef736746fc35ee87fbd15baf7846911d97ecfebd
MD5 9944e1a23780e34a1240b8977eea565d
SHA1 a509b71263e790d800970dbfc7f6255fc9ed256d
SHA512 ac60f75c8cd7cfc012049dd60c9d9b4d3503e6cf3aa9d3a03ce05dd8caab129a2705a5f65fd71c1cb73ec48243265397cd9eeadd1ccbde813aa3a735ff2eea37
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 7f4f3fad38e34c5d655f3017530ca5a62eab4a3bda033db9a240567b1869deec
MD5 d52a6cabb7897a46bc444de1db94f68a
SHA1 62427bdd0993afd235fc686b6ea2f8826bb5480e
SHA512 60f451295f140fbf5371465ecee1fb89e16a61cc1d52578350cf20a989f0a72492dbd942b0edf4f09eef71ea73124711855cdbe551ffd7545ec336de77729ea6
MD5 SHA1 SHA512

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__PSScriptPolicyTest_4eljoejr.hb0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4eljoejr.hb0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1344-60-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/1344-56-0x00000212F61A0000-0x00000212F61B0000-memory.dmp

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memory/1344-46-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/1344-58-0x00000212F61A0000-0x00000212F61B0000-memory.dmp

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memory/1396-12-0x00000244EB2B0000-0x00000244EB2C0000-memory.dmp

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memory/1396-15-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/1396-11-0x00000244EB2B0000-0x00000244EB2C0000-memory.dmp

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memory/1396-10-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/1396-9-0x00000244EB250000-0x00000244EB272000-memory.dmp

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memory/2992-42-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/2992-43-0x0000019FFCE30000-0x0000019FFCE40000-memory.dmp

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memory/2992-45-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/3084-72-0x00000180F47F0000-0x00000180F4800000-memory.dmp

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memory/3084-70-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/3084-73-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/3084-74-0x00000180F47F0000-0x00000180F4800000-memory.dmp

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memory/3084-75-0x00000180F47F0000-0x00000180F4800000-memory.dmp

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memory/3084-77-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/4700-31-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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memory/4700-29-0x0000018857B30000-0x0000018857B40000-memory.dmp

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memory/4700-28-0x0000018857B30000-0x0000018857B40000-memory.dmp

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memory/4700-22-0x00007FFE7D3A0000-0x00007FFE7DE61000-memory.dmp

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