Analysis
- max time kernel
150s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
18/09/2022, 02:36
Static task
static1
Behavioral task
behavioral1
Sample
b48bec1475c20a3add16b3f1a7c14fb3.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
b48bec1475c20a3add16b3f1a7c14fb3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target b48bec1475c20a3add16b3f1a7c14fb3.exe
- Size 291KB
- Sample220918-c3kmtsafa8
- SHA256 cced13549d1dc6d9e54b540e834073a279a413257d5609ab7223aab9845897d1
- MD5 b48bec1475c20a3add16b3f1a7c14fb3
- SHA1 1b3cd8a20d4b5e2dbac7cde25b2b56da751f467b
- SHA512 dcc10fdad011b45b29240d406b409182864cffafe6fc7a0c8f2dcb5424db49a1f3604c3cce990c14363110e58cd4b7fbf864922f3f3e20d2097819a608763756
- SSDEEP 6144:B9fL5h2Kk0OOJbuTlTV97C0/HB6NnigabwVf:B9fth2Kk0OiKf/ei
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1112-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5072-135-0x0000000000500000-0x0000000000509000-memory.dmp family_smokeloader behavioral2/memory/1112-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1112-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5072 set thread context of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86 - 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 b48bec1475c20a3add16b3f1a7c14fb3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b48bec1475c20a3add16b3f1a7c14fb3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b48bec1475c20a3add16b3f1a7c14fb3.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1112 b48bec1475c20a3add16b3f1a7c14fb3.exe 1112 b48bec1475c20a3add16b3f1a7c14fb3.exe 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1112 b48bec1475c20a3add16b3f1a7c14fb3.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5072 wrote to memory of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86 PID 5072 wrote to memory of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86 PID 5072 wrote to memory of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86 PID 5072 wrote to memory of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86 PID 5072 wrote to memory of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86 PID 5072 wrote to memory of 1112 5072 b48bec1475c20a3add16b3f1a7c14fb3.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\b48bec1475c20a3add16b3f1a7c14fb3.exe"C:\Users\Admin\AppData\Local\Temp\b48bec1475c20a3add16b3f1a7c14fb3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Users\Admin\AppData\Local\Temp\b48bec1475c20a3add16b3f1a7c14fb3.exe"C:\Users\Admin\AppData\Local\Temp\b48bec1475c20a3add16b3f1a7c14fb3.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1112
-