Analysis
- max time kernel
151s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
06/09/2022, 16:16
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
7 signatures
150 seconds
General
- Target file.exe
- Size 261KB
- Sample220906-tqsaksdaan
- SHA256 c373e754e77f74df9744f0e11b661cff57e509b4d63ffe1aaa2261ad5547eade
- MD5 ba4bce11e71424199bbb5057544c3461
- SHA1 d141a008e5c045f37f9022da4c980f59bf347eff
- SHA512 307162252b181b33aa0835d89323be3aa87cad750f6d0d9d534d8238577c6f80571bf92cf94ceb10aba6a1afe020beba8caabc57a58d8485d38a36ff6a6443ec
- SSDEEP 6144:2gwDrAmDXbM+lbbjOKSMcY4jyp2OoZJNjXsN9f/FqRIJ:2ggAm7gabbjOKSMchyIOohWRFqy
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1372-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4968-135-0x00000000001C0000-0x00000000001C9000-memory.dmp family_smokeloader behavioral2/memory/1372-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1372-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4968 set thread context of 1372 4968 file.exe 101 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1372 file.exe 1372 file.exe 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1372 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4968 wrote to memory of 1372 4968 file.exe 101 PID 4968 wrote to memory of 1372 4968 file.exe 101 PID 4968 wrote to memory of 1372 4968 file.exe 101 PID 4968 wrote to memory of 1372 4968 file.exe 101 PID 4968 wrote to memory of 1372 4968 file.exe 101 PID 4968 wrote to memory of 1372 4968 file.exe 101
Processes
-
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:4968 -
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:1372
-