Analysis
- max time kernel
153s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
09/12/2022, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 319KB
- Sample221209-yxpkgsha6w
- SHA256 5e0fd69db9a9beedf4dc3ec1c55314b6131a62998235cd6c42bb0e21f02cd539
- MD5 edcaa58fad2d8a5370affeae4b9596df
- SHA1 888eeb8a2dc19c3ec486264121292d6cca009464
- SHA512 68a61ada52e9cb4886cc06712775d825bc16b47ddc4bbdb1a81dc04f6df2cd648667a97c1533f3b72bc2186d585c642bb150ac03942743c5552b16d74ca61ac7
- SSDEEP 6144:TGQZLUKdP6/ndeVg4A9grP+mJr0L8PvSkPch1eFL2Fag:TDoKdy1eVD9F0L8P7UgFLa
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2036-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2036-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1428-57-0x00000000003A0000-0x00000000003A9000-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 1428 set thread context of 2036 1428 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 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1312 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2036 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1312 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1428 wrote to memory of 2036 1428 file.exe 28 PID 1428 wrote to memory of 2036 1428 file.exe 28 PID 1428 wrote to memory of 2036 1428 file.exe 28 PID 1428 wrote to memory of 2036 1428 file.exe 28 PID 1428 wrote to memory of 2036 1428 file.exe 28 PID 1428 wrote to memory of 2036 1428 file.exe 28 PID 1428 wrote to memory of 2036 1428 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:1428 -
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
-