Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23/09/2022, 02:39
Static task
static1
Behavioral task
behavioral1
Sample
3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe
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Size
280KB
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MD5
520a0f82eb1cde48cab80a9c739debe6
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SHA1
8281514c3a630f599d520c6406e4761ae795e3fc
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SHA256
3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e
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SHA512
9d5cd1d1d1845ef2cb2a36e6184cebe30d9b1f7cbade0cc77644f4642e7f54322626ddfd79756c31e13a801064981e32d0e6051e7f2df771f5de5a6289b8e5d1
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SSDEEP
6144:V3b3LjWLtqgBw0L1bohRid5lRX0kyoxAWigavwVf:V3bbiYgBw0L1bohcHl2kyo2L
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4916-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1104-135-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral1/memory/4916-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4916-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1104 set thread context of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84 -
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 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4916 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 4916 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found 600 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 600 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4916 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1104 wrote to memory of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84 PID 1104 wrote to memory of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84 PID 1104 wrote to memory of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84 PID 1104 wrote to memory of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84 PID 1104 wrote to memory of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84 PID 1104 wrote to memory of 4916 1104 3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe"C:\Users\Admin\AppData\Local\Temp\3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe"C:\Users\Admin\AppData\Local\Temp\3bb26cd77b71b0110a398361abd55b22df97dd93ad218964e906942f454f931e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4916
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