Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
25/12/2022, 04:48
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 223KB
- Sample221225-fe4ycabb36
- SHA256 69f5c8c4aa06f434fdc5ff048ef30a2ceb5a3838bae87a9b88d91f2e77968450
- MD5 2ddea33e6c12ac98cbddd32b3625eeca
- SHA1 55ea65feee1331b6c22d72d56bfe2d1d9f22a5e1
- SHA512 293075b5a8693ffed530697bb47d931026f4856d311cd6f9f9a16cfd64e233fb8b8b525ca7a941b4413b2f886fc7cdd85bc9ab265b56dc9e04114d5263d30132
- SSDEEP 3072:3DmO/gLJ25MPibBXiGbAlaUN/3+yjJA0cauDeH4V2GARf/ln:RYLJpPitSGEDuyjm0caMebRn
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2036-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2036-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1232-58-0x00000000001B0000-0x00000000001B9000-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 1232 set thread context of 2036 1232 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 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1284 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 1232 wrote to memory of 2036 1232 file.exe 28 PID 1232 wrote to memory of 2036 1232 file.exe 28 PID 1232 wrote to memory of 2036 1232 file.exe 28 PID 1232 wrote to memory of 2036 1232 file.exe 28 PID 1232 wrote to memory of 2036 1232 file.exe 28 PID 1232 wrote to memory of 2036 1232 file.exe 28 PID 1232 wrote to memory of 2036 1232 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:1232 -
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
-