Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
04-02-2023 15:01
Static task
static1
Behavioral task
behavioral1
Sample
b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe
Resource
win10-20220812-en
General
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Target
b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe
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Size
192KB
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MD5
f2260a03b3348ceb46b7ec6151e421c0
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SHA1
c816c3f3ac176ca73fdf14186f47c425b9254431
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SHA256
b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06
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SHA512
0168a996a191ab75e67fcf901576ff6caa22ae0db684d67fa870c58d3e761a2dd4bf765b5d7479264d700fec4d3e76ebac609fca07fc7ca7485b4494e5c6b736
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SSDEEP
3072:sIZs05Tv8ALdrOuuOWo5olX5vY8JlZJLGR7Bh+c1nCIqlxOf/RsH+Iz11dSM:sIZd3LdKpO8l1JLJLK7Pn3Xc+Iz1
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/3876-141-0x00000000005C0000-0x00000000005C9000-memory.dmp family_smokeloader behavioral1/memory/2352-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2352-146-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2352-160-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2352-177-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 2836 Process not Found -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3876 set thread context of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66 -
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 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2352 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 2352 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found 2836 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2836 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2352 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3876 wrote to memory of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66 PID 3876 wrote to memory of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66 PID 3876 wrote to memory of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66 PID 3876 wrote to memory of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66 PID 3876 wrote to memory of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66 PID 3876 wrote to memory of 2352 3876 b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe"C:\Users\Admin\AppData\Local\Temp\b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Users\Admin\AppData\Local\Temp\b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe"C:\Users\Admin\AppData\Local\Temp\b74d3c2f0d2c772619704f13fd1839671ae5e0b4732064018e65e98562c46a06.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2352
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