Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
16/02/2023, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 253KB
- Sample230216-trclhsab6v
- SHA256 02bba5bcdd9396b1fa6ff1f9ebb9151f070d74c33555f27147dbb481d8f3e92d
- MD5 26d0f5ae9293c0f6a32a248015d3a7d4
- SHA1 8269c728626c8b50d6c4a6dedf8f68d64f89827c
- SHA512 36cf46d3aa7104c01b824240849e402d741a7a85b6241c18cde3a040c70dd6b64b5f95c93041e5e50e18f1654facea676719c272ea0425ddbba4efa79f5a4d45
- SSDEEP 3072:4eiuLj5UGEEm5uurHG8DRRuqQ4SBkgBbwVC4eHPVW8E:rlLVE2uaGR4q/SDPBHT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2028-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2028-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1796-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2028-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2028-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1796 set thread context of 2028 1796 file.exe 28 - 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 2028 file.exe 2028 file.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1204 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2028 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1796 wrote to memory of 2028 1796 file.exe 28 PID 1796 wrote to memory of 2028 1796 file.exe 28 PID 1796 wrote to memory of 2028 1796 file.exe 28 PID 1796 wrote to memory of 2028 1796 file.exe 28 PID 1796 wrote to memory of 2028 1796 file.exe 28 PID 1796 wrote to memory of 2028 1796 file.exe 28 PID 1796 wrote to memory of 2028 1796 file.exe 28
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:1796 -
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:2028
-