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Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2022, 16:39
Static task
static1
Behavioral task
behavioral1
Sample
6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe
Resource
win10v2004-20220812-en
General
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Target
6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe
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Size
210KB
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MD5
1862a8d6b4d45ccebb728f889eb08b30
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SHA1
72a6a40ab3ca67315da42a7dd7e78a377ac4b1f6
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SHA256
6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a
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SHA512
c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d
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SSDEEP
3072:bVJnyPx5hsfuqJyLjodwE6SHj5cdsJbD3aU00LOXS2OYUOQLx:bVBSHhsfuqgLkWE0uJPKUJ2LU7
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral1/memory/4740-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2608-135-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral1/memory/4740-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4740-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2668-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2668-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 2692 wgsirwt 2668 wgsirwt -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2608 set thread context of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2692 set thread context of 2668 2692 wgsirwt 89 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wgsirwt Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wgsirwt Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wgsirwt Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4740 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 4740 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2724 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4740 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 2668 wgsirwt -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2724 Process not Found Token: SeCreatePagefilePrivilege 2724 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2608 wrote to memory of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2608 wrote to memory of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2608 wrote to memory of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2608 wrote to memory of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2608 wrote to memory of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2608 wrote to memory of 4740 2608 6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe 80 PID 2692 wrote to memory of 2668 2692 wgsirwt 89 PID 2692 wrote to memory of 2668 2692 wgsirwt 89 PID 2692 wrote to memory of 2668 2692 wgsirwt 89 PID 2692 wrote to memory of 2668 2692 wgsirwt 89 PID 2692 wrote to memory of 2668 2692 wgsirwt 89 PID 2692 wrote to memory of 2668 2692 wgsirwt 89
Processes
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C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe"C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe"C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4740
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C:\Users\Admin\AppData\Roaming\wgsirwtC:\Users\Admin\AppData\Roaming\wgsirwt1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Users\Admin\AppData\Roaming\wgsirwtC:\Users\Admin\AppData\Roaming\wgsirwt2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2668
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
210KB
MD51862a8d6b4d45ccebb728f889eb08b30
SHA172a6a40ab3ca67315da42a7dd7e78a377ac4b1f6
SHA2566887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a
SHA512c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d
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Filesize
210KB
MD51862a8d6b4d45ccebb728f889eb08b30
SHA172a6a40ab3ca67315da42a7dd7e78a377ac4b1f6
SHA2566887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a
SHA512c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d
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Filesize
210KB
MD51862a8d6b4d45ccebb728f889eb08b30
SHA172a6a40ab3ca67315da42a7dd7e78a377ac4b1f6
SHA2566887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a
SHA512c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d