Analysis
- max time kernel
151s - max time network
42s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
24/12/2022, 15:59
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
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 224KB
- Sample221224-te21msab84
- SHA256 abd9daba9eeb7d42e2ee8acd6078f029b5a2ee9e4a74bfbf8a6123e7daa53ea3
- MD5 b9213ac0403e0ca2c5501315fb3db20a
- SHA1 82c159c52e31ece28dc0c0231362a8a2d33669d2
- SHA512 b899da326e7c1506ef3b314c6b88ad56754bab00723d20024bd59f6351062720c86b27e8d3e64169696954ef784aac0c15fd86cd717db98b0de478f08052e7d8
- SSDEEP 3072:CDb2LO4sM75AC2A1gJjL78LYviM5I1FUyDckauDnE3BmbIFf/ln:nLO4HWN3JjXkYviMevBraME3oID
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1980-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1980-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1628-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1980-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1980-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1628 set thread context of 1980 1628 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 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 1980 file.exe 1980 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1980 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1628 wrote to memory of 1980 1628 file.exe 26 PID 1628 wrote to memory of 1980 1628 file.exe 26 PID 1628 wrote to memory of 1980 1628 file.exe 26 PID 1628 wrote to memory of 1980 1628 file.exe 26 PID 1628 wrote to memory of 1980 1628 file.exe 26 PID 1628 wrote to memory of 1980 1628 file.exe 26 PID 1628 wrote to memory of 1980 1628 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:1628 -
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:1980
-