Analysis
- max time kernel
151s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/12/2022, 19:52
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
16 signatures
150 seconds
General
- Target file.exe
- Size 214KB
- Sample221216-yldc3sfe23
- SHA256 ebf9155541505989cb6a6ce59567ed80945dda159a1b7e9e0d5e6446f2cc2e9f
- MD5 a53af3358766690fe2252c320d88d93c
- SHA1 01c49a5e0834125ec31c33b4feda3baa3780abf6
- SHA512 ce0b293613d1648d9d5a6c681a97fcb6666b4b8f590253bc0d558577aa3ef49e54024d9715c55c025239e2ebc74aeca0c187750912a908fb97202a4d2c3503e4
- SSDEEP 3072:lM1clPLecITm0RxaXXbGASaW09T/qrBLszOQI1UeRtH40zwUzQRKF+:OoL7ITgXrBRJFeBgzOtxtH40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/1064-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 3904 67F1.exe 3648 99D0.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3060 Process not Found 1580 chrome.exe - Program crash 3 IoCs
pid pid_target Process procid_target 2540 3648 WerFault.exe 87 2336 3904 WerFault.exe 86 3680 1580 WerFault.exe 93 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1064 file.exe 1064 file.exe 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1064 file.exe - Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeDebugPrivilege 3904 67F1.exe Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeDebugPrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3904 67F1.exe 1580 chrome.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3904 67F1.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1580 chrome.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3060 wrote to memory of 3904 3060 Process not Found 86 PID 3060 wrote to memory of 3904 3060 Process not Found 86 PID 3060 wrote to memory of 3904 3060 Process not Found 86 PID 3060 wrote to memory of 3648 3060 Process not Found 87 PID 3060 wrote to memory of 3648 3060 Process not Found 87 PID 3060 wrote to memory of 3648 3060 Process not Found 87 PID 3060 wrote to memory of 1580 3060 Process not Found 93 PID 3060 wrote to memory of 1580 3060 Process not Found 93 PID 1580 wrote to memory of 3144 1580 chrome.exe 94 PID 1580 wrote to memory of 3144 1580 chrome.exe 94 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4672 1580 chrome.exe 97 PID 1580 wrote to memory of 4720 1580 chrome.exe 98 PID 1580 wrote to memory of 4720 1580 chrome.exe 98 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99 PID 1580 wrote to memory of 4452 1580 chrome.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1064
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C:\Users\Admin\AppData\Local\Temp\67F1.exeC:\Users\Admin\AppData\Local\Temp\67F1.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 4002⤵
- Program crash
PID:2336
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C:\Users\Admin\AppData\Local\Temp\99D0.exeC:\Users\Admin\AppData\Local\Temp\99D0.exe1⤵
- Executes dropped EXE
PID:3648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 2802⤵
- Program crash
PID:2540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 36481⤵PID:4660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3904 -ip 39041⤵PID:1196
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --no-default-browser-check --silent-launch --disable-backgrounding-occluded-windows --disable-background-timer-throttling --ran-launcher --profile-directory="Default"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Enumerates system info in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff9f3ce4f50,0x7ff9f3ce4f60,0x7ff9f3ce4f702⤵PID:3144
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1672,13156199945197875706,4119297113780648785,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1708 /prefetch:22⤵PID:4672
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1672,13156199945197875706,4119297113780648785,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2040 /prefetch:82⤵PID:4720
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1672,13156199945197875706,4119297113780648785,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2308 /prefetch:82⤵PID:4452
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1580 -s 36402⤵
- Program crash
PID:3680
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:60
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 480 -p 1580 -ip 15801⤵PID:3152
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\67F1.exe
- Size 2.6MB
- SHA256 edbf4f681460dc3777c6a124f8f208398a8951bce1c964db117e14d9d2851591
- MD5 02662257eebde3f065c71b0aed7c2984
- SHA1 a0702a1e79db2ae0b532ffe7a4f9f71bc9e8fabb
- SHA512 e10a3869cce30332173a80e29facb1db9c32617d1bce885d18d75e3b9a0b7889ab4c8e40a8a5f71cee25f278b5ee59dc224d0c2db8d40522c2b198c954085276
- SSDEEP 49152:G/dFhA6XptWEBd9xMDORddGo2DekDXY9vlYRkt3Muy9YlJzuVPp6wt0UTps:G/dlfv4ORddl2DLYVlmkJMuUYlC1p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\67F1.exe
- Size 2.6MB
- SHA256 edbf4f681460dc3777c6a124f8f208398a8951bce1c964db117e14d9d2851591
- MD5 02662257eebde3f065c71b0aed7c2984
- SHA1 a0702a1e79db2ae0b532ffe7a4f9f71bc9e8fabb
- SHA512 e10a3869cce30332173a80e29facb1db9c32617d1bce885d18d75e3b9a0b7889ab4c8e40a8a5f71cee25f278b5ee59dc224d0c2db8d40522c2b198c954085276
- SSDEEP 49152:G/dFhA6XptWEBd9xMDORddGo2DekDXY9vlYRkt3Muy9YlJzuVPp6wt0UTps:G/dlfv4ORddl2DLYVlmkJMuUYlC1p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\99D0.exe
- Size 1.4MB
- SHA256 9c066f9ef8cf916e13f7c341e59d0a2f2d21fcd8a79031116cba3991aeb83b31
- MD5 c45e877204c57aea1dff10214cdcbe7c
- SHA1 90ae376b7c8ea1ced1fea457b4bdf55936559c30
- SHA512 a3939d39ce270ee4dfed016d30b091d99dbd221db658420dd9c0a5ecf424814727daefa5e3a82189f56a34fe44b4b8a5546e93803dc5ddc8e7c67c24a31b5de6
- SSDEEP 24576:3qVPsZSk7sGKk/abmddHsnlQnH93Uv04wng5QNX9c2EN9nRJ4h:3EP+wGKlmglQnHZ4wn6QNXi7N9v4h
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\99D0.exe
- Size 1.4MB
- SHA256 9c066f9ef8cf916e13f7c341e59d0a2f2d21fcd8a79031116cba3991aeb83b31
- MD5 c45e877204c57aea1dff10214cdcbe7c
- SHA1 90ae376b7c8ea1ced1fea457b4bdf55936559c30
- SHA512 a3939d39ce270ee4dfed016d30b091d99dbd221db658420dd9c0a5ecf424814727daefa5e3a82189f56a34fe44b4b8a5546e93803dc5ddc8e7c67c24a31b5de6
- SSDEEP 24576:3qVPsZSk7sGKk/abmddHsnlQnH93Uv04wng5QNX9c2EN9nRJ4h:3EP+wGKlmglQnHZ4wn6QNXi7N9v4h
- MD5 SHA1 SHA512 SSDEEP