Analysis
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max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
31/01/2023, 07:50
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
295KB
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MD5
4a3092d13c54b0b8de901c3d4e461bba
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SHA1
126c60abea1ec11c8e83cad3847d562be6e6269d
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SHA256
9c770de7138aafd9fd7d9639932171fc06a386c483667c949171da0fc307c562
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SHA512
18bbabea0c3ec2710c5807c0aebd0f79cb28ab4f7da98649777f9bc3d19c16b481412e2054e10801a6b6b39c6eca1e7bf0a941856326714ad2a481b6dcab4282
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SSDEEP
3072:6UXBumygggxLoI7R4J2bKW/y80RLQ8T7LRp5AIC7f43H7BF7RCDF1:dIRoxLoVJ21y80RBBpK7f4VT
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1400-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1880-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1880-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1880-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1880-60-0x0000000000400000-0x0000000000409000-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 1400 set thread context of 1880 1400 file.exe 27 -
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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1880 file.exe 1880 file.exe 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1880 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1400 wrote to memory of 1880 1400 file.exe 27 PID 1400 wrote to memory of 1880 1400 file.exe 27 PID 1400 wrote to memory of 1880 1400 file.exe 27 PID 1400 wrote to memory of 1880 1400 file.exe 27 PID 1400 wrote to memory of 1880 1400 file.exe 27 PID 1400 wrote to memory of 1880 1400 file.exe 27 PID 1400 wrote to memory of 1880 1400 file.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1880
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