Analysis
- 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
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 5 IoCs
resource yara_rule behavioral1/memory/896-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1108-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1108-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1108-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1108-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 896 set thread context of 1108 896 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 1108 file.exe 1108 file.exe 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1108 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 896 wrote to memory of 1108 896 file.exe 27 PID 896 wrote to memory of 1108 896 file.exe 27 PID 896 wrote to memory of 1108 896 file.exe 27 PID 896 wrote to memory of 1108 896 file.exe 27 PID 896 wrote to memory of 1108 896 file.exe 27 PID 896 wrote to memory of 1108 896 file.exe 27 PID 896 wrote to memory of 1108 896 file.exe 27
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:896 -
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:1108
-