Analysis
- max time kernel
152s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
07/12/2022, 16:54
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 263KB
- Sample221207-vejpqsfd85
- SHA256 b4d95e3b4898b276b3b56c956509ef5cd360ad97cd5d3575dfb62b944c2eb65c
- MD5 3d024a23bff50ab43283e71a8731d3f9
- SHA1 cd972f9ee38419f3840e7ff83519333e4509a69c
- SHA512 982eeb23a4cb4d2dc0a3c11caaf2a5458ae7daadeabbee6dad480fb22419bd8d78cb60aa651011f7e093138bc058ff49fc0f63ffb9292aeedd00aa224226855b
- SSDEEP 6144:G6xsgvXO/sq9tUnKeL+DqkTKOTa14AQilf:GisgvXO/sgtMKe6DZ81Rl
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4920-134-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 4084 AC29.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4920 file.exe 4920 file.exe 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2080 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4920 file.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2080 wrote to memory of 4084 2080 Process not Found 98 PID 2080 wrote to memory of 4084 2080 Process not Found 98 PID 2080 wrote to memory of 4084 2080 Process not Found 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4920
-
C:\Users\Admin\AppData\Local\Temp\AC29.exeC:\Users\Admin\AppData\Local\Temp\AC29.exe1⤵
- Executes dropped EXE
PID:4084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\AC29.exe
- Size 1.1MB
- SHA256 2b756703ee30efeff88e6723023edd263198d9184c4a7eba46742cebe1e5757b
- MD5 d5f28357d5dee403f857646c19c9d2a8
- SHA1 d4cbc77163d786bb6dbf769cc13e736f40f0fae5
- SHA512 229047cbb0551815296f3cf4b9453ed94db32134ea0482dc0955746f33e3f7b79844ed8ef85c11ae0b8687a7ab4b6b1c7582ba8fe1243981efe25ca1910a41be
- SSDEEP 24576:yYsrYyR7uEg1tGrfka2g5WnHu38A1yssTqDDMw/8VX6ul:yrYyu1ckoADAMsyqDDMw/8Vqul
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\AC29.exe
- Size 1.1MB
- SHA256 2b756703ee30efeff88e6723023edd263198d9184c4a7eba46742cebe1e5757b
- MD5 d5f28357d5dee403f857646c19c9d2a8
- SHA1 d4cbc77163d786bb6dbf769cc13e736f40f0fae5
- SHA512 229047cbb0551815296f3cf4b9453ed94db32134ea0482dc0955746f33e3f7b79844ed8ef85c11ae0b8687a7ab4b6b1c7582ba8fe1243981efe25ca1910a41be
- SSDEEP 24576:yYsrYyR7uEg1tGrfka2g5WnHu38A1yssTqDDMw/8VX6ul:yrYyu1ckoADAMsyqDDMw/8Vqul
- MD5 SHA1 SHA512 SSDEEP