Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
19/12/2022, 05:15
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 306KB
- Sample221219-fxkmesec63
- SHA256 fb331e72f064a5a986ddcdbb2a9e078ba02015480b06e95ffdaa519cc47232b1
- MD5 a41fc6d66633f24e1dbb80266d2dd816
- SHA1 a134aca8948097aff08d68b827c4498b4fafb3ac
- SHA512 854b5b8181cdb55e9017ee264eb75599d8d18800719acada311e836b30373fb8606485590c35d2e503a8e430476a1422c21b72bc6d5147f270cbf8aab0883476
- SSDEEP 6144:DSl1L0QsMqvAvDVZFIWiElf0iPvzpQ6rFiaI:DuYQsMqWDfiE5xnzpQ6rF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1136-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1208-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1136-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1136-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1136-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1208 set thread context of 1136 1208 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 1136 file.exe 1136 file.exe 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1252 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1136 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1208 wrote to memory of 1136 1208 file.exe 28 PID 1208 wrote to memory of 1136 1208 file.exe 28 PID 1208 wrote to memory of 1136 1208 file.exe 28 PID 1208 wrote to memory of 1136 1208 file.exe 28 PID 1208 wrote to memory of 1136 1208 file.exe 28 PID 1208 wrote to memory of 1136 1208 file.exe 28 PID 1208 wrote to memory of 1136 1208 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:1208 -
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:1136
-