Analysis
- max time kernel
189s - max time network
189s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/11/2022, 07:35
Static task
static1
Behavioral task
behavioral1
Sample
3bc91c80e89a1e1029e8f2296cc08d8c.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3bc91c80e89a1e1029e8f2296cc08d8c.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 3bc91c80e89a1e1029e8f2296cc08d8c.exe
- Size 818KB
- Sample221127-jensxaab53
- SHA256 e85fbaeccdeb53b3873a8b4d46b73749e475bfb3eac196147dc1679dba2b76a0
- MD5 3bc91c80e89a1e1029e8f2296cc08d8c
- SHA1 b026d3a0c0e46ae59d302d16d5ea189e8f469f9e
- SHA512 ac54c9ef42f461f6d2b2426494733b4e40a38837972cc45e190ab959b13dfedce8f619aeb8b85d568cd135de3a9118e6383094852c781a37b9a53f5d996c83d8
- SSDEEP 24576:A17r0U376CZ1S4Sjnw58kaJTbk0VkFg/IyXt:qdSFw5RykoX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 3 IoCs
resource yara_rule behavioral2/memory/1668-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1668-139-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1668-140-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88 - 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 3bc91c80e89a1e1029e8f2296cc08d8c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bc91c80e89a1e1029e8f2296cc08d8c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bc91c80e89a1e1029e8f2296cc08d8c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1668 3bc91c80e89a1e1029e8f2296cc08d8c.exe 1668 3bc91c80e89a1e1029e8f2296cc08d8c.exe 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1668 3bc91c80e89a1e1029e8f2296cc08d8c.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88 PID 1720 wrote to memory of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88 PID 1720 wrote to memory of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88 PID 1720 wrote to memory of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88 PID 1720 wrote to memory of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88 PID 1720 wrote to memory of 1668 1720 3bc91c80e89a1e1029e8f2296cc08d8c.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\3bc91c80e89a1e1029e8f2296cc08d8c.exe"C:\Users\Admin\AppData\Local\Temp\3bc91c80e89a1e1029e8f2296cc08d8c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\3bc91c80e89a1e1029e8f2296cc08d8c.exe"{path}"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1668
-