Analysis
- max time kernel
188s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
02/12/2022, 04:11
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 191KB
- Sample221202-ery27afg21
- SHA256 3977666fbfbe846ca04dd4d782da1f0333b3fefe798c717e491ef7d283ee9a81
- MD5 e20f9f42820f572addfa98223a71da60
- SHA1 d787bb4cb44e8cd9e488c279f0c261bb19fb4dab
- SHA512 16154446af56455f2147100dfd50d6a1d519983de8856cf92713fb0af4bf9f0100644afb515415d048f273c33d1b326674d612eba11822481faaed24295a3770
- SSDEEP 3072:cgxYzAUxSeIQI54x+/flPPRX2NR1Yfds0S2BZzTN2JPFobERs9E3AZxpR/hMo9P:4xSeIwElZX4Ra+0J7TMh2b1vpt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/904-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/944-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/904-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/904-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/904-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 944 set thread context of 904 944 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 904 file.exe 904 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 904 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1284 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 944 wrote to memory of 904 944 file.exe 28 PID 944 wrote to memory of 904 944 file.exe 28 PID 944 wrote to memory of 904 944 file.exe 28 PID 944 wrote to memory of 904 944 file.exe 28 PID 944 wrote to memory of 904 944 file.exe 28 PID 944 wrote to memory of 904 944 file.exe 28 PID 944 wrote to memory of 904 944 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:944 -
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:904
-