Analysis
- max time kernel
150s - max time network
29s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
23/01/2023, 21:49
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
10 signatures
150 seconds
General
- Target file.exe
- Size 325KB
- Sample230123-1pbprsff69
- SHA256 409248d3273d2bf1d8cbc461d7c1be42e3a4431efb4de57f2fdf1ebf6d87181b
- MD5 8cd0d03d0dcca514a89759cc0b663d6a
- SHA1 8dc81b4a0cd5b2993623416a6741de6b2b07b162
- SHA512 f0c378183383716f5aef841bdd33ac1618f1e923cc2b4145e1d080c3571fdcf066405f1259e93c1bc4eb71105081222a34c9fb024435696f3ed4536101a4a466
- SSDEEP 6144:2L1ucAMsu1BZBD3+0fotQK/fu1d0BTymTb:24cAMnZ93+7tQKXu1UTy
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1228-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1228-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1204-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1228-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1228-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1204 set thread context of 1228 1204 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 1228 file.exe 1228 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: GetForegroundWindowSpam 1 IoCs
pid Process 1244 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1228 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1228 1204 file.exe 28 PID 1204 wrote to memory of 1228 1204 file.exe 28 PID 1204 wrote to memory of 1228 1204 file.exe 28 PID 1204 wrote to memory of 1228 1204 file.exe 28 PID 1204 wrote to memory of 1228 1204 file.exe 28 PID 1204 wrote to memory of 1228 1204 file.exe 28 PID 1204 wrote to memory of 1228 1204 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:1204 -
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:1228
-