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Analysis
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max time kernel
15s -
max time network
13s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/08/2024, 18:42
Static task
static1
Behavioral task
behavioral1
Sample
BootstrapperV1.16.exe
Resource
win11-20240802-en
windows11-21h2-x64
General
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Target
BootstrapperV1.16.exe
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Size
796KB
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MD5
76639ab92661f5c384302899934051ab
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SHA1
9b33828f8ad3a686ff02b1a4569b8ae38128caed
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SHA256
6bb9ad960bcc9010db1b9918369bdfc4558f19287b5b6562079c610a28320178
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SHA512
928e4374c087070f8a6786f9082f05a866751ea877edf9afa23f6941dfc4d6762e1688bbb135788d6286ec324fa117fc60b46fed2f6e3a4ab059465a00f2ebee
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SSDEEP
12288:THeLH6iTPSE54sgweI9oaQJj3r+piq+77xOZ+eMm:THeLHdTSEeyoaQJj3Spiq+77xd
Malware Config
Signatures
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Loads dropped DLL 7 IoCs
pid Process 588 MsiExec.exe 588 MsiExec.exe 2972 MsiExec.exe 2972 MsiExec.exe 2972 MsiExec.exe 2972 MsiExec.exe 2972 MsiExec.exe -
Blocklisted process makes network request 3 IoCs
flow pid Process 11 2552 msiexec.exe 13 2552 msiexec.exe 14 2552 msiexec.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 1 pastebin.com 4 pastebin.com -
Drops file in Windows directory 16 IoCs
description ioc Process File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIDAB.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIDCB.tmp msiexec.exe File opened for modification C:\Windows\Installer\e5800f5.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI9B1.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{EFA235B5-C6A1-42E6-9BC9-02A8D56F1CDC} msiexec.exe File created C:\Windows\SystemTemp\~DFB925914852783201.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIC91.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI10BA.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI10CB.tmp msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI991.tmp msiexec.exe File created C:\Windows\SystemTemp\~DFC83B366C260123EE.TMP msiexec.exe File created C:\Windows\Installer\e5800f5.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI952.tmp msiexec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 428 BootstrapperV1.16.exe 428 BootstrapperV1.16.exe 2552 msiexec.exe 2552 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeDebugPrivilege 428 BootstrapperV1.16.exe Token: SeShutdownPrivilege 1704 msiexec.exe Token: SeIncreaseQuotaPrivilege 1704 msiexec.exe Token: SeSecurityPrivilege 2552 msiexec.exe Token: SeCreateTokenPrivilege 1704 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1704 msiexec.exe Token: SeLockMemoryPrivilege 1704 msiexec.exe Token: SeIncreaseQuotaPrivilege 1704 msiexec.exe Token: SeMachineAccountPrivilege 1704 msiexec.exe Token: SeTcbPrivilege 1704 msiexec.exe Token: SeSecurityPrivilege 1704 msiexec.exe Token: SeTakeOwnershipPrivilege 1704 msiexec.exe Token: SeLoadDriverPrivilege 1704 msiexec.exe Token: SeSystemProfilePrivilege 1704 msiexec.exe Token: SeSystemtimePrivilege 1704 msiexec.exe Token: SeProfSingleProcessPrivilege 1704 msiexec.exe Token: SeIncBasePriorityPrivilege 1704 msiexec.exe Token: SeCreatePagefilePrivilege 1704 msiexec.exe Token: SeCreatePermanentPrivilege 1704 msiexec.exe Token: SeBackupPrivilege 1704 msiexec.exe Token: SeRestorePrivilege 1704 msiexec.exe Token: SeShutdownPrivilege 1704 msiexec.exe Token: SeDebugPrivilege 1704 msiexec.exe Token: SeAuditPrivilege 1704 msiexec.exe Token: SeSystemEnvironmentPrivilege 1704 msiexec.exe Token: SeChangeNotifyPrivilege 1704 msiexec.exe Token: SeRemoteShutdownPrivilege 1704 msiexec.exe Token: SeUndockPrivilege 1704 msiexec.exe Token: SeSyncAgentPrivilege 1704 msiexec.exe Token: SeEnableDelegationPrivilege 1704 msiexec.exe Token: SeManageVolumePrivilege 1704 msiexec.exe Token: SeImpersonatePrivilege 1704 msiexec.exe Token: SeCreateGlobalPrivilege 1704 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe Token: SeRestorePrivilege 2552 msiexec.exe Token: SeTakeOwnershipPrivilege 2552 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 428 wrote to memory of 1704 428 BootstrapperV1.16.exe 79 PID 428 wrote to memory of 1704 428 BootstrapperV1.16.exe 79 PID 2552 wrote to memory of 588 2552 msiexec.exe 83 PID 2552 wrote to memory of 588 2552 msiexec.exe 83 PID 2552 wrote to memory of 2972 2552 msiexec.exe 84 PID 2552 wrote to memory of 2972 2552 msiexec.exe 84 PID 2552 wrote to memory of 2972 2552 msiexec.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.16.exe"C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.16.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Windows\System32\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1704
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 30BE8B184DB32474BF32E54E0D3B0AF22⤵
- Loads dropped DLL
PID:588
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding A1833D0380BF4368086662CCF536936C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2972
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
30.1MB
MD50e4e9aa41d24221b29b19ba96c1a64d0
SHA1231ade3d5a586c0eb4441c8dbfe9007dc26b2872
SHA2565bfb6f3ab89e198539408f7e0e8ec0b0bd5efe8898573ec05b381228efb45a5d
SHA512e6f27aecead72dffecbeaad46ebdf4b1fd3dbcddd1f6076ba183b654e4e32d30f7af1236bf2e04459186e993356fe2041840671be73612c8afed985c2c608913
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Filesize
122KB
MD59fe9b0ecaea0324ad99036a91db03ebb
SHA1144068c64ec06fc08eadfcca0a014a44b95bb908
SHA256e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9
SHA512906641a73d69a841218ae90b83714a05af3537eec8ad1d761f58ac365cf005bdd74ad88f71c4437aaa126ac74fa46bcad424d17c746ab197eec2caa1bd838176
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Filesize
211KB
MD5a3ae5d86ecf38db9427359ea37a5f646
SHA1eb4cb5ff520717038adadcc5e1ef8f7c24b27a90
SHA256c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74
SHA51296ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0
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Filesize
297KB
MD57a86ce1a899262dd3c1df656bff3fb2c
SHA133dcbe66c0dc0a16bab852ed0a6ef71c2d9e0541
SHA256b8f2d0909d7c2934285a8be010d37c0609c7854a36562cbfcbce547f4f4c7b0c
SHA512421e8195c47381de4b3125ab6719eec9be7acd2c97ce9247f4b70a309d32377917c9686b245864e914448fe53df2694d5ee5f327838d029989ba7acafda302ec