Analysis
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max time kernel
12s -
max time network
11s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/08/2024, 05:37
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral2
Sample
Bootstrapper.exe
Resource
win11-20240802-en
windows11-21h2-x64
General
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Target
Bootstrapper.exe
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Size
795KB
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MD5
365971e549352a15e150b60294ec2e57
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SHA1
2932242b427e81b1b4ac8c11fb17793eae0939f7
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SHA256
faad2bc8e61b75e595a80ff2b6d150ff8b27187a8ba426cc1e5e38e193ab6d42
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SHA512
f7ba1353e880213a6bdf5bd1dfdfd42a0acf4066a540a502e8df8fec8eac7fb80b75aa52e68eca98be3f7701da48eb90758e5b94d72013d3dff05e0aaf27e938
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SSDEEP
12288:GYa9sBhIBdCdbX1USoeQDj/VNpA+dZIznBpGTEy:Pa98hIBdjSoeQDj/VNpZdZIznBpg
Malware Config
Signatures
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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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation Bootstrapper.exe -
Loads dropped DLL 5 IoCs
pid Process 116 MsiExec.exe 116 MsiExec.exe 2956 MsiExec.exe 2956 MsiExec.exe 2956 MsiExec.exe -
Blocklisted process makes network request 2 IoCs
flow pid Process 22 412 msiexec.exe 24 412 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) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Z: msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 2 pastebin.com 4 pastebin.com -
Drops file in Windows directory 12 IoCs
description ioc Process File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSIC0C1.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIC0F0.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{EFA235B5-C6A1-42E6-9BC9-02A8D56F1CDC} msiexec.exe File opened for modification C:\Windows\Installer\MSIC4D9.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIC6FE.tmp msiexec.exe File created C:\Windows\Installer\e57bcb8.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIC071.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSIC6CE.tmp msiexec.exe File opened for modification C:\Windows\Installer\e57bcb8.msi 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 3 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 Bootstrapper.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3200 Bootstrapper.exe 3200 Bootstrapper.exe 412 msiexec.exe 412 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 3200 Bootstrapper.exe Token: SeShutdownPrivilege 4196 msiexec.exe Token: SeIncreaseQuotaPrivilege 4196 msiexec.exe Token: SeSecurityPrivilege 412 msiexec.exe Token: SeCreateTokenPrivilege 4196 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4196 msiexec.exe Token: SeLockMemoryPrivilege 4196 msiexec.exe Token: SeIncreaseQuotaPrivilege 4196 msiexec.exe Token: SeMachineAccountPrivilege 4196 msiexec.exe Token: SeTcbPrivilege 4196 msiexec.exe Token: SeSecurityPrivilege 4196 msiexec.exe Token: SeTakeOwnershipPrivilege 4196 msiexec.exe Token: SeLoadDriverPrivilege 4196 msiexec.exe Token: SeSystemProfilePrivilege 4196 msiexec.exe Token: SeSystemtimePrivilege 4196 msiexec.exe Token: SeProfSingleProcessPrivilege 4196 msiexec.exe Token: SeIncBasePriorityPrivilege 4196 msiexec.exe Token: SeCreatePagefilePrivilege 4196 msiexec.exe Token: SeCreatePermanentPrivilege 4196 msiexec.exe Token: SeBackupPrivilege 4196 msiexec.exe Token: SeRestorePrivilege 4196 msiexec.exe Token: SeShutdownPrivilege 4196 msiexec.exe Token: SeDebugPrivilege 4196 msiexec.exe Token: SeAuditPrivilege 4196 msiexec.exe Token: SeSystemEnvironmentPrivilege 4196 msiexec.exe Token: SeChangeNotifyPrivilege 4196 msiexec.exe Token: SeRemoteShutdownPrivilege 4196 msiexec.exe Token: SeUndockPrivilege 4196 msiexec.exe Token: SeSyncAgentPrivilege 4196 msiexec.exe Token: SeEnableDelegationPrivilege 4196 msiexec.exe Token: SeManageVolumePrivilege 4196 msiexec.exe Token: SeImpersonatePrivilege 4196 msiexec.exe Token: SeCreateGlobalPrivilege 4196 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3200 wrote to memory of 4196 3200 Bootstrapper.exe 86 PID 3200 wrote to memory of 4196 3200 Bootstrapper.exe 86 PID 3200 wrote to memory of 4196 3200 Bootstrapper.exe 86 PID 412 wrote to memory of 116 412 msiexec.exe 89 PID 412 wrote to memory of 116 412 msiexec.exe 89 PID 412 wrote to memory of 2956 412 msiexec.exe 90 PID 412 wrote to memory of 2956 412 msiexec.exe 90 PID 412 wrote to memory of 2956 412 msiexec.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4196
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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:412 -
C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding C6E5273822EC0BAE72259D9E9EC55F4D2⤵
- Loads dropped DLL
PID:116
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 32DD5D9BB8A4E561E4AC3397A4F1A7982⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2956
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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