Analysis
- max time kernel
150s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
23/12/2022, 03:59
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target file.exe
- Size 316KB
- Sample221223-ej3qeaah6y
- SHA256 5f46bf01628645dc9fc3d656dea1c998d916d2723d85f47eb8fa9132709eab05
- MD5 83004c24dc7325cc4c1a1c4920c1bfae
- SHA1 52887ae28567d88e49e7b4471a1f014c99319407
- SHA512 eac23ff71333809ce9f87749157f02688c53ac71f5004932a0c721dfeb4cc95a6fc27d5b88193bbb119ec1aa13a4a065c76540e3e6e6be320af3430acc010348
- SSDEEP 6144:R2Lmv2KyUzQJPGThtqsRR0cSpQTtyzsduHNIv:R2yv2K3MPGTvqsRR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1948-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1948-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1444-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1948-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1948-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1444 set thread context of 1948 1444 file.exe 27 - 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 1948 file.exe 1948 file.exe 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1344 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1948 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27
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:1444 -
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:1948
-