Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
18/01/2023, 04:31
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 271KB
- Sample230118-e5dneahf84
- SHA256 2bfa2890945c9a7a971c2a4dd19d4eab8a57b296541652c46d60fd3f51fa7247
- MD5 acd77b83925f2a287dabb01316ad0961
- SHA1 d910fc9511de8de2ce595757ae6a75a8b4563152
- SHA512 6c07696bc5ef24ddb77a51280b31b33af82ef185f5c9b8d11e5a881c9b36f86f7a89d832fff85b54db60651625bbce66ddee021d7f5358a2265efd81318fcddf
- SSDEEP 3072:zX3LR91ibe6953G1HnFB56E+ZpxJ1q9d6wpIt4qndE8SUlutGm:rN9v6HGN9N+Lxfy9GLdKt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/932-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/932-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1476-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/932-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/932-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1476 set thread context of 932 1476 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 932 file.exe 932 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 932 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1476 wrote to memory of 932 1476 file.exe 28 PID 1476 wrote to memory of 932 1476 file.exe 28 PID 1476 wrote to memory of 932 1476 file.exe 28 PID 1476 wrote to memory of 932 1476 file.exe 28 PID 1476 wrote to memory of 932 1476 file.exe 28 PID 1476 wrote to memory of 932 1476 file.exe 28 PID 1476 wrote to memory of 932 1476 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:1476 -
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:932
-