Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 03:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
8 signatures
150 seconds
General
- Target file.exe
- Size 210KB
- Sample230116-d3mmvscf2s
- SHA256 50957b5048d55f64ef3462d0193da9eb59637184d764668d76d3267cc8f4014b
- MD5 26232c2eb50a5c1b8903bc19d9ddf976
- SHA1 0103eea051c05b0722d5e12e48f61177a13add96
- SHA512 12682401d3917b9faacdd947254f37d93d7fd940f79136612ded7a9b7856ba634b3b5a54162777b7a6dd8ed45a09a970eb14867c21516290fefaf158bc257570
- SSDEEP 3072:HMXW31MDwnd56Ufqi5a9MLjPrXWgNQ23336qoOZkZrm9U+rmVVwvi:HInDwXiigSnPrnQ2boXQU+f
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2356-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4424-135-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/2356-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2356-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4424 set thread context of 2356 4424 file.exe 82 - 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 2356 file.exe 2356 file.exe 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2468 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2356 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4424 wrote to memory of 2356 4424 file.exe 82 PID 4424 wrote to memory of 2356 4424 file.exe 82 PID 4424 wrote to memory of 2356 4424 file.exe 82 PID 4424 wrote to memory of 2356 4424 file.exe 82 PID 4424 wrote to memory of 2356 4424 file.exe 82 PID 4424 wrote to memory of 2356 4424 file.exe 82
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:4424 -
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:2356
-