Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2022 03:06
Static task
static1
Behavioral task
behavioral1
Sample
caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe
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Size
206KB
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MD5
6d30b8d44c2f630faecc287c95537688
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SHA1
0bd300c7f04a775ac1e7dfaad6c9b587a69cdf23
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SHA256
caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72
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SHA512
eb2f4a6b1ab2966c4bcc3ecea1079b34a3f8d0a120bba906b135e2a92661520d3a02f26b49839c1816304f87a6cac633d1ce83b8bdb155cef564c6bffb0b1d03
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SSDEEP
3072:8EovWXCVU530uvBJcrMhU+6tRt1NQ0fBFc4hFDZ2O66p:kAv5ku9pCRzZfBKa2Of
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/1604-133-0x00000000048B0000-0x00000000048B9000-memory.dmp family_smokeloader behavioral1/memory/4704-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4704-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4704-138-0x0000000000400000-0x0000000000409000-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 1604 set thread context of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85 -
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 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4704 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 4704 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found 992 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 992 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4704 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1604 wrote to memory of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85 PID 1604 wrote to memory of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85 PID 1604 wrote to memory of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85 PID 1604 wrote to memory of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85 PID 1604 wrote to memory of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85 PID 1604 wrote to memory of 4704 1604 caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe"C:\Users\Admin\AppData\Local\Temp\caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Local\Temp\caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe"C:\Users\Admin\AppData\Local\Temp\caa1a2c1bf5385a066072550a1aecabf122cbaae9f65d1c26d391c4920223a72.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4704
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