Analysis
- max time kernel
150s - max time network
41s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
25/12/2022, 22:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 231KB
- Sample221225-11mleafc8w
- SHA256 88948b276a9732fe05e0ea8b8a0d2a33d0d9083d1b7e3f09b4d28b6b192deae1
- MD5 3eaec07698bd9747f91d905b6bf78f21
- SHA1 b596b905890c03ed7c89df0ffa254be5b42b9fe7
- SHA512 cd6dd8fdaeeb8abbacf689b466813328710b952df159d1cce92168e66753d699302ea41a9c6b118f1ce4eae412e5671c5bedab06e3799bc21a3fe2e661cb5468
- SSDEEP 3072:ClmwLUF54sRzNxLR0kXR5Ch//Kc6+gaklS1g/tK8YDwKCLrcSb54VIcVTuh:sLUAs1zLR0kh5Xn4qtK8vbIr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral1/memory/1940-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1940-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1940-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1960-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1940-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1940-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1960 set thread context of 1940 1960 file.exe 26 - 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 1940 file.exe 1940 file.exe 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1940 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1960 wrote to memory of 1940 1960 file.exe 26 PID 1960 wrote to memory of 1940 1960 file.exe 26 PID 1960 wrote to memory of 1940 1960 file.exe 26 PID 1960 wrote to memory of 1940 1960 file.exe 26 PID 1960 wrote to memory of 1940 1960 file.exe 26 PID 1960 wrote to memory of 1940 1960 file.exe 26 PID 1960 wrote to memory of 1940 1960 file.exe 26
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:1960 -
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:1940
-