Analysis
- max time kernel
150s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
06/12/2022, 03:44
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 273KB
- Sample221206-eagrkscc8w
- SHA256 670eafdb5577bcabc3cf12d159edde0190f9e5c26d7ba8d6a6e1fb6cc4845733
- MD5 fdf497f43dd77744d0e7567a55b5d730
- SHA1 5ff66b9d66a8fdee50e4c4935e527d8981800f30
- SHA512 f55a24916fc55ff1983f07b23ff3524a9237d0bccbb339d53026e412b2890d71140c4c0b61c4335a1d7bce4d3265ab3a83297db9672b49017ad57505760dc21a
- SSDEEP 6144:29CJMW6pJTTJTY0XJ9xRz5aUiMBIDcPaVS:29KMW6bTT5LXjxLC5DcCVS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/820-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/820-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1284-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/820-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/820-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1284 set thread context of 820 1284 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 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 820 file.exe 820 file.exe 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1200 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 820 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1284 wrote to memory of 820 1284 file.exe 27 PID 1284 wrote to memory of 820 1284 file.exe 27 PID 1284 wrote to memory of 820 1284 file.exe 27 PID 1284 wrote to memory of 820 1284 file.exe 27 PID 1284 wrote to memory of 820 1284 file.exe 27 PID 1284 wrote to memory of 820 1284 file.exe 27 PID 1284 wrote to memory of 820 1284 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:1284 -
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:820
-