Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2023 18:00
Static task
static1
Behavioral task
behavioral1
Sample
explorer.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
explorer.exe
Resource
win10v2004-20230703-en
General
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Target
explorer.exe
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Size
133KB
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MD5
247976d7e405bfd0f716a3d5f2cd499b
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SHA1
dbcf03a94b3cced51ebe42af6f860e8d898f2459
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SHA256
c37430f6f2249e0faff20595f0677955cd2c1f727f94bff53f21ecc894e340f6
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SHA512
664b189c6b99b8927bb6fdb52c2c3f0031e88edc1dac80c8f6da5682ac30f17f295bed739df56e4bb754dca773c9eeb4e4b56fc3c36ccda0ab182ad54dd7edad
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SSDEEP
3072:DjC4DKvke46oEabPu97HZO4Aue/sobH0hLNM:3C4DKvh4PbPETZ4uLoUT
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
version.exepid process 4944 version.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\explorer.exe" explorer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 2376 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
explorer.exepid process 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe 1576 explorer.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
explorer.exepowershell.exepowershell.exetaskkill.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1576 explorer.exe Token: SeDebugPrivilege 4612 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 2376 taskkill.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
explorer.exepid process 1576 explorer.exe 1576 explorer.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
explorer.exeversion.execmd.execmd.execmd.execmd.execmd.exedescription pid process target process PID 1576 wrote to memory of 3156 1576 explorer.exe cmstp.exe PID 1576 wrote to memory of 3156 1576 explorer.exe cmstp.exe PID 4944 wrote to memory of 1408 4944 version.exe cmd.exe PID 4944 wrote to memory of 1408 4944 version.exe cmd.exe PID 4944 wrote to memory of 2724 4944 version.exe cmd.exe PID 4944 wrote to memory of 2724 4944 version.exe cmd.exe PID 4944 wrote to memory of 1532 4944 version.exe cmd.exe PID 4944 wrote to memory of 1532 4944 version.exe cmd.exe PID 4944 wrote to memory of 3536 4944 version.exe cmd.exe PID 4944 wrote to memory of 3536 4944 version.exe cmd.exe PID 4944 wrote to memory of 3768 4944 version.exe cmd.exe PID 4944 wrote to memory of 3768 4944 version.exe cmd.exe PID 1408 wrote to memory of 3512 1408 cmd.exe powershell.exe PID 1408 wrote to memory of 3512 1408 cmd.exe powershell.exe PID 3768 wrote to memory of 1908 3768 cmd.exe powershell.exe PID 3768 wrote to memory of 1908 3768 cmd.exe powershell.exe PID 2724 wrote to memory of 3700 2724 cmd.exe powershell.exe PID 2724 wrote to memory of 3700 2724 cmd.exe powershell.exe PID 1532 wrote to memory of 4612 1532 cmd.exe powershell.exe PID 1532 wrote to memory of 4612 1532 cmd.exe powershell.exe PID 3536 wrote to memory of 5116 3536 cmd.exe powershell.exe PID 3536 wrote to memory of 5116 3536 cmd.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\explorer.exe"C:\Users\Admin\AppData\Local\Temp\explorer.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\system32\cmstp.exe"c:\windows\system32\cmstp.exe" /au C:\Users\Admin\AppData\Local\Temp\wxwsy1ej.inf2⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cortana.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cortana.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\OneDrive.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\OneDrive.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemSettings.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemSettings.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c PowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell.exe -windowstyle hidden Add-Mppreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\taskkill.exetaskkill /IM cmstp.exe /F1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logFilesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD53a6bad9528f8e23fb5c77fbd81fa28e8
SHA1f127317c3bc6407f536c0f0600dcbcf1aabfba36
SHA256986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05
SHA512846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gisfobfm.m3u.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\wxwsy1ej.infFilesize
619B
MD56f1420f2133f3e08fd8cdea0e1f5fe27
SHA13aa41ec75adc0cf50e001ca91bbfa7f763adf70b
SHA256aed1ac2424a255f231168bcb02f16b6ea89603e0045465c2149abcde33a06242
SHA512d5629e9835f881cd271e88d9ec2d2c27b9d5d1b25329ade5cfb9824a6358c9e98e66f1b89ac9459b4c540c02af2728129dd8523bdf007cadf28b5fa2d199a2aa
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exeFilesize
10KB
MD58ca62e1f3f7edca67a5273d76fb500c0
SHA1f2a3e8ff64bca7a4fb8d59e9b5057e2b881d80f3
SHA25686c884bbd715562ca5f97743e2f9efa0041eef10c6856e21ee7b6c5c87c9f738
SHA512936d2968a8e8106f734cb6f2a39c15bafa9cae177a3e52a59ef5832b541f7381da722316d77a4cbe2e07124d14986a29d1babb847c87c861d8b355fa8979e4f6
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\version.exeFilesize
10KB
MD58ca62e1f3f7edca67a5273d76fb500c0
SHA1f2a3e8ff64bca7a4fb8d59e9b5057e2b881d80f3
SHA25686c884bbd715562ca5f97743e2f9efa0041eef10c6856e21ee7b6c5c87c9f738
SHA512936d2968a8e8106f734cb6f2a39c15bafa9cae177a3e52a59ef5832b541f7381da722316d77a4cbe2e07124d14986a29d1babb847c87c861d8b355fa8979e4f6
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memory/1576-232-0x000000001B740000-0x000000001B750000-memory.dmpFilesize
64KB
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memory/1576-233-0x000000001B740000-0x000000001B750000-memory.dmpFilesize
64KB
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memory/1576-133-0x00000000007C0000-0x00000000007E6000-memory.dmpFilesize
152KB
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memory/1576-211-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/1576-138-0x000000001B740000-0x000000001B750000-memory.dmpFilesize
64KB
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memory/1576-136-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/1908-150-0x0000018EE0030000-0x0000018EE0040000-memory.dmpFilesize
64KB
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memory/1908-209-0x0000018EE0030000-0x0000018EE0040000-memory.dmpFilesize
64KB
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memory/1908-230-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/1908-147-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/1908-148-0x0000018EE0030000-0x0000018EE0040000-memory.dmpFilesize
64KB
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memory/1908-213-0x0000018EE0030000-0x0000018EE0040000-memory.dmpFilesize
64KB
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memory/3512-202-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/3512-231-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/3700-215-0x0000020B9E7E0000-0x0000020B9E7F0000-memory.dmpFilesize
64KB
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memory/3700-190-0x0000020B9E7E0000-0x0000020B9E7F0000-memory.dmpFilesize
64KB
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memory/3700-227-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/3700-210-0x0000020B9E7E0000-0x0000020B9E7F0000-memory.dmpFilesize
64KB
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memory/3700-191-0x0000020B9E7E0000-0x0000020B9E7F0000-memory.dmpFilesize
64KB
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memory/3700-189-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/4612-160-0x000001ACBDC00000-0x000001ACBDC22000-memory.dmpFilesize
136KB
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memory/4612-192-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/4612-207-0x000001ACBDC50000-0x000001ACBDC60000-memory.dmpFilesize
64KB
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memory/4612-214-0x000001ACBDC50000-0x000001ACBDC60000-memory.dmpFilesize
64KB
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memory/4612-162-0x000001ACBDC50000-0x000001ACBDC60000-memory.dmpFilesize
64KB
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memory/4612-225-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/4612-156-0x000001ACBDC50000-0x000001ACBDC60000-memory.dmpFilesize
64KB
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memory/4944-144-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/4944-146-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/4944-143-0x0000000000510000-0x0000000000518000-memory.dmpFilesize
32KB
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memory/5116-208-0x000001FD25060000-0x000001FD25070000-memory.dmpFilesize
64KB
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memory/5116-226-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB
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memory/5116-173-0x000001FD25060000-0x000001FD25070000-memory.dmpFilesize
64KB
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memory/5116-169-0x000001FD25060000-0x000001FD25070000-memory.dmpFilesize
64KB
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memory/5116-212-0x000001FD25060000-0x000001FD25070000-memory.dmpFilesize
64KB
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memory/5116-161-0x00007FFDBFEF0000-0x00007FFDC09B1000-memory.dmpFilesize
10.8MB