Analysis
- max time kernel
150s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
19/12/2022, 14:29
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 311KB
- Sample221219-rtj29sfc33
- SHA256 eeaadb6bda0816a67ce1750b68a4a876a16dc32e3762713924cc8daba44fd000
- MD5 c2f36bb8bc70c31e02d50c64052f6378
- SHA1 14106b3e93a95969080c25b8e6214ae7b6790a9f
- SHA512 1a327bb72c23e48ca80b704de8f52380b1eebb9b46af46fee6d5f056f806651bc67b03785dedefcea81d34f18b7c4d0df93c380f42544292c35fed4c8f6fa568
- SSDEEP 6144:mYH6LXKghvbkfqPCNTXGml9yVeKNTH4rWlRjO1n:mYarKgtbkf4CnyVtN8rW9u
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2036-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2036-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1720-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2036-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2036-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 2036 1720 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 2036 file.exe 2036 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 2036 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1720 wrote to memory of 2036 1720 file.exe 28 PID 1720 wrote to memory of 2036 1720 file.exe 28 PID 1720 wrote to memory of 2036 1720 file.exe 28 PID 1720 wrote to memory of 2036 1720 file.exe 28 PID 1720 wrote to memory of 2036 1720 file.exe 28 PID 1720 wrote to memory of 2036 1720 file.exe 28 PID 1720 wrote to memory of 2036 1720 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:1720 -
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:2036
-