Analysis
- max time kernel
150s - max time network
105s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
01/01/2023, 17:26
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-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 241KB
- Sample230101-vzvmqscc59
- SHA256 97f94fa5ad1bbf82845d741649d85214e4dee77ea072ec50542c8ba41496cdb4
- MD5 6a504eaeaa115d173dc189ba4adba9e0
- SHA1 5acfd77cdeceafaa692bc06660a71047e88a0f38
- SHA512 42d77ee38b194c70c3ac4dfdca2ae07cca2e76c1d6080a50da1248ccbf79ec612640481533c8a4843bde3fe10131e7be0555a5ebc8612161e96e37868a387f11
- SSDEEP 3072:T8XKFXRHqxLClR+GR5G5Bp9BckbnLATatfLCvifsfmWk6ta0Mx7M2nvQGW7iSWt:M0qxLZGvs5ckbnLA2VCvimOXx7V4b7i
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/5036-133-0x00000000007F0000-0x00000000007F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 2104 3681.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3032 Process not Found 4532 chrome.exe - Program crash 2 IoCs
pid pid_target Process procid_target 5048 2104 WerFault.exe 86 3104 4532 WerFault.exe 91 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \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 5036 file.exe 5036 file.exe 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5036 file.exe - Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeDebugPrivilege 2104 3681.exe Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeDebugPrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found Token: SeShutdownPrivilege 3032 Process not Found Token: SeCreatePagefilePrivilege 3032 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2104 3681.exe 4532 chrome.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2104 3681.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4532 chrome.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3032 wrote to memory of 2104 3032 Process not Found 86 PID 3032 wrote to memory of 2104 3032 Process not Found 86 PID 3032 wrote to memory of 2104 3032 Process not Found 86 PID 3032 wrote to memory of 4532 3032 Process not Found 91 PID 3032 wrote to memory of 4532 3032 Process not Found 91 PID 4532 wrote to memory of 4516 4532 chrome.exe 92 PID 4532 wrote to memory of 4516 4532 chrome.exe 92 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 4896 4532 chrome.exe 95 PID 4532 wrote to memory of 2452 4532 chrome.exe 96 PID 4532 wrote to memory of 2452 4532 chrome.exe 96 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97 PID 4532 wrote to memory of 1388 4532 chrome.exe 97
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:5036
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C:\Users\Admin\AppData\Local\Temp\3681.exeC:\Users\Admin\AppData\Local\Temp\3681.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 4802⤵
- Program crash
PID:5048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2104 -ip 21041⤵PID:1968
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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:4532 -
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,0x7fff784f4f50,0x7fff784f4f60,0x7fff784f4f702⤵PID:4516
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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=1636,3082480383576495343,708887176556114394,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1644 /prefetch:22⤵PID:4896
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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=1636,3082480383576495343,708887176556114394,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2008 /prefetch:82⤵PID:2452
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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=1636,3082480383576495343,708887176556114394,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2304 /prefetch:82⤵PID:1388
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4532 -s 36202⤵
- Program crash
PID:3104
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2792
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 360 -p 4532 -ip 45321⤵PID:4776
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3681.exe
- Size 1.4MB
- SHA256 107627bfc217d41f53b76d4556c8e296aae7fb18046318eeb91b2d39fb5d055d
- MD5 9dcd34cf28d45d3be294358f9a2b367b
- SHA1 1e288dee9f8f2bc4093b7b064398db235994ad44
- SHA512 1f2c6816a9ea6044bbdaea4125c384b59f29644cd2c3d1f50c23b666ee56c266be87ba5344a9ec21b45f87526b6c1c05e18089ef2e1915d2917bd97e23d2390b
- SSDEEP 24576:OQnWerEeY5zVJgEVd7uaeiAE352pqLJIFcODnKxs7AgQ+S8xSDwdx+3GVRqNM36n:Oo2zVJVT7ur3o522JIF5S4APyxv6M36s
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3681.exe
- Size 1.4MB
- SHA256 107627bfc217d41f53b76d4556c8e296aae7fb18046318eeb91b2d39fb5d055d
- MD5 9dcd34cf28d45d3be294358f9a2b367b
- SHA1 1e288dee9f8f2bc4093b7b064398db235994ad44
- SHA512 1f2c6816a9ea6044bbdaea4125c384b59f29644cd2c3d1f50c23b666ee56c266be87ba5344a9ec21b45f87526b6c1c05e18089ef2e1915d2917bd97e23d2390b
- SSDEEP 24576:OQnWerEeY5zVJgEVd7uaeiAE352pqLJIFcODnKxs7AgQ+S8xSDwdx+3GVRqNM36n:Oo2zVJVT7ur3o522JIF5S4APyxv6M36s
- MD5 SHA1 SHA512 SSDEEP