Analysis
- max time kernel
163s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/10/2022, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
2a2552940c7e2f360c2c226171fa9527.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2a2552940c7e2f360c2c226171fa9527.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2a2552940c7e2f360c2c226171fa9527.exe
- Size 293KB
- Sample221008-jmjh6aech3
- SHA256 ba9228b5a8cae9d84b55cb7cb888fce7597ed332f11c6b20147500a182ef6126
- MD5 2a2552940c7e2f360c2c226171fa9527
- SHA1 fd22f03a18ad7d6729bb1394d015319f03753b78
- SHA512 e8ebd84bc80bb5f098a1faf8a6aed507707cbd771b566bc2d913568debda58e3e6273a1f10bec996cd26a016186f0db99cf04a173e780b338c657867b011056d
- SSDEEP 3072:tXhP4lrBszrj+oKSrMw52PS1Vyce6y1xuc/anVr11LnZcVggjcGkNIVqIxM/h3Xv:pR4CPZJ1kcLyujRY7ITsqeewVf6XO
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4680-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4568-135-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader behavioral2/memory/4680-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4680-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4568 set thread context of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2a2552940c7e2f360c2c226171fa9527.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2a2552940c7e2f360c2c226171fa9527.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2a2552940c7e2f360c2c226171fa9527.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4680 2a2552940c7e2f360c2c226171fa9527.exe 4680 2a2552940c7e2f360c2c226171fa9527.exe 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2596 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4680 2a2552940c7e2f360c2c226171fa9527.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4568 wrote to memory of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80 PID 4568 wrote to memory of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80 PID 4568 wrote to memory of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80 PID 4568 wrote to memory of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80 PID 4568 wrote to memory of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80 PID 4568 wrote to memory of 4680 4568 2a2552940c7e2f360c2c226171fa9527.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a2552940c7e2f360c2c226171fa9527.exe"C:\Users\Admin\AppData\Local\Temp\2a2552940c7e2f360c2c226171fa9527.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Users\Admin\AppData\Local\Temp\2a2552940c7e2f360c2c226171fa9527.exe"C:\Users\Admin\AppData\Local\Temp\2a2552940c7e2f360c2c226171fa9527.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4680
-