Analysis
- max time kernel
150s - max time network
48s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
14/12/2022, 02:02
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
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 260KB
- Sample221214-cf6a1sha76
- SHA256 beb0183f34a686d02a58287c271770edc68b22e0bef3ba8b8fa180635cc08a85
- MD5 58ce9897be8d577f8400fb1056fd6551
- SHA1 ba417a9fb0b7878aea8848f090ffe6ecfbbfa4df
- SHA512 e235358311d355755b87c2b34c21c3e805d7936069b422a9963c588dd75b2ac507e4d6e7837e32f695229eec3808035e2a3f69860c5a92fa321a40f51eb7a400
- SSDEEP 3072:4Ey4hOL5QSbvJi2qqcYumqIQXwc+W5bgXvi+g+YfECrT5oalxNy8bGbQ/E1PujKq:ChLxpRxxDIbIEVfEJ8btow
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/988-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/904-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/904-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/904-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/904-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 988 set thread context of 904 988 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 904 file.exe 904 file.exe 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found 1244 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 904 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 988 wrote to memory of 904 988 file.exe 27 PID 988 wrote to memory of 904 988 file.exe 27 PID 988 wrote to memory of 904 988 file.exe 27 PID 988 wrote to memory of 904 988 file.exe 27 PID 988 wrote to memory of 904 988 file.exe 27 PID 988 wrote to memory of 904 988 file.exe 27 PID 988 wrote to memory of 904 988 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:988 -
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:904
-