Analysis
- max time kernel
152s - max time network
115s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
02/12/2022, 02:08
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 192KB
- Sample221202-ckk6msgd4v
- SHA256 728174a6ad4beb1cebbc419b6f5177b8cc639d8934296d465798f0b8837a6c1f
- MD5 367d6274c01aed73ad554d5fb2133b96
- SHA1 5a6011bc3f2e33fc3543d361e841cdeacac25ed4
- SHA512 f1c163bd6c2272eb92a48be453e89438793db8197d9c5e93c1536b9b965d0e75fcad1e7bb2448f2dbd1c5d44bdaf2df2ec9c3ae5d81cc051c8dcf0c692c7afc7
- SSDEEP 3072:Ng89XAkBffI55c16sPpA9ZXMevi1mKVsRs9E3AZxpR/fop+:NBfsc1txUZgXVNvp1K+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1744-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1744-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/948-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1744-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1744-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 948 set thread context of 1744 948 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 1744 file.exe 1744 file.exe 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1744 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 948 wrote to memory of 1744 948 file.exe 28 PID 948 wrote to memory of 1744 948 file.exe 28 PID 948 wrote to memory of 1744 948 file.exe 28 PID 948 wrote to memory of 1744 948 file.exe 28 PID 948 wrote to memory of 1744 948 file.exe 28 PID 948 wrote to memory of 1744 948 file.exe 28 PID 948 wrote to memory of 1744 948 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:948 -
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:1744
-