Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
11/09/2022, 00:11
Static task
static1
Behavioral task
behavioral1
Sample
de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe
Resource
win10-20220901-en
General
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Target
de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe
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Size
304KB
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MD5
c4b6c77543692a891bf5575295ea5ff9
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SHA1
0579ce49636b937878fe02e3db73a1b0fcde3083
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SHA256
de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc
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SHA512
a273acf81db3fe3aff7e4a33adb1cd0ab62ff10eaff673bdd64210a9e30de26b9cb6bf31cf747eb8149818739ad1c0b37e3eac30a41f6d668c2aca17fee08d2e
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SSDEEP
6144:YrAO+jLcHal6CQwyVmwAKWn15hMeCXO8YAajTFU+Vhz:YhKc01QwyVmwQn15yOdXG
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/2188-147-0x0000000002500000-0x0000000002509000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3464 1DF.exe -
Deletes itself 1 IoCs
pid Process 3024 Process not Found -
Loads dropped DLL 1 IoCs
pid Process 1208 rundll32.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2188 de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe 2188 de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3024 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2188 de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3024 wrote to memory of 3464 3024 Process not Found 66 PID 3024 wrote to memory of 3464 3024 Process not Found 66 PID 3024 wrote to memory of 3464 3024 Process not Found 66 PID 3464 wrote to memory of 1208 3464 1DF.exe 67 PID 3464 wrote to memory of 1208 3464 1DF.exe 67 PID 3464 wrote to memory of 1208 3464 1DF.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe"C:\Users\Admin\AppData\Local\Temp\de4310ebfe29b453df0d4f902c675b6e442f75242ddee9ed0e1c37cc30cf66cc.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2188
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C:\Users\Admin\AppData\Local\Temp\1DF.exeC:\Users\Admin\AppData\Local\Temp\1DF.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\Pedeuesu.dll,start C:\Users\Admin\AppData\Local\Temp\1DF.exe2⤵
- Loads dropped DLL
PID:1208
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2.5MB
MD5c335ad9a447bc1479ccf5d0f955775e0
SHA11f856b9a95e91ceb9035e31b1bb2808d9c99744d
SHA256b4451017413576547622f566432cd316b3ffce335a378869bffc1bf661005946
SHA512f6073046a6db1f50b8f0a07a85cd633d00242542916cb03a713ce3f1aab25365e21d0602311af1f986d126002a9db0cdcc6953c4fbc6108cf49e0bd556c9f3c3
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Filesize
2.5MB
MD5c335ad9a447bc1479ccf5d0f955775e0
SHA11f856b9a95e91ceb9035e31b1bb2808d9c99744d
SHA256b4451017413576547622f566432cd316b3ffce335a378869bffc1bf661005946
SHA512f6073046a6db1f50b8f0a07a85cd633d00242542916cb03a713ce3f1aab25365e21d0602311af1f986d126002a9db0cdcc6953c4fbc6108cf49e0bd556c9f3c3
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Filesize
3.1MB
MD541601e8acf775a91524bafa545061804
SHA1084d4b6e1b281d696630450358698e77de7d5e7e
SHA2565e509614faa874c9b13d707d7bdadcd7fbd0ee5427d8f17d0cb185e932ab868d
SHA51232e82e9eea04f6939aae935723124e10a66453b70e2d45d3303dddafd7ca38f36930e26207f8da144b5e9ecac460182b96684900096810952d82ab12379b822e
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Filesize
2.4MB
MD5965a552812af7bf019a56444abab9471
SHA1e83e59e0b09e2a38b2b1f134e7a3b7ec6d604ef4
SHA256dd602a9598bd4506c30394f9db3b6deb1acb01c627465a2839219c18cc659d53
SHA512a31ccdcc60a74d0d83da094aa6041f467e3e7484e964ecdb6a2ea9bddb42290d07dcd62631260cf25c677109316dc5ea62fa8e2e9e7bddbccef302f946a718eb