Analysis
-
max time kernel
206s -
max time network
208s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
11-02-2023 14:30
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
file.exe
-
Size
239KB
-
MD5
022da43a8538b6e3738eae1068d09e43
-
SHA1
31d658f7028486442cac2f7fa21a170769a5101d
-
SHA256
92e9bfa6067e2aa0af4b125cf4d61f3f3a6366dd23dfb4b81a7c66f0b172d1d7
-
SHA512
048e5c7433366c0aa1dafd9aba43a60fff2edfaac2e86b30c3b7d62c1a3687b73fd5d9171e277043d6124b49a34bc44c5c8a478483705fe3283695bc84d9ab5a
-
SSDEEP
3072:3tbo5t/K1ohqeE8LS5B+xpN5vGZEzRcpm5zRxOEcP:9SYeFLKANBGZEfzRkEc
Score
10/10
Malware Config
Signatures
-
Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4956-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4156-135-0x00000000008F0000-0x00000000008F9000-memory.dmp family_smokeloader behavioral2/memory/4956-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4956-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4156 set thread context of 4956 4156 file.exe 79 -
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 4956 file.exe 4956 file.exe 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4956 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4156 wrote to memory of 4956 4156 file.exe 79 PID 4156 wrote to memory of 4956 4156 file.exe 79 PID 4156 wrote to memory of 4956 4156 file.exe 79 PID 4156 wrote to memory of 4956 4156 file.exe 79 PID 4156 wrote to memory of 4956 4156 file.exe 79 PID 4156 wrote to memory of 4956 4156 file.exe 79
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:4156 -
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:4956
-