Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
30/08/2022, 14:36
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
8 signatures
150 seconds
General
- Target file.exe
- Size 291KB
- Sample220830-ryj8tsacdm
- SHA256 3cbeec2aac5a8fda41a097f3a6158b1193ad789950b4183deecff5becbe32bef
- MD5 bc9b89206bb6db271ac4a1e3ce995ea5
- SHA1 008438f32c43dddb5bd435d07f9639bbc327d88e
- SHA512 c5548ebc38787632b1b163bde6083f2ba16b410a17b5fd46984b56e8459c70d3c5842b313aaeb843b54668487e20412c6a9a7a114bcc1da0d440efca2c2fc955
- SSDEEP 6144:nBdZeDwlXyx6m2sAurvM/tT6AWDfgdMTG/LGBO02JH1Ft1FkvukXIyT:BdZBuIMfyyG/KBO0WFXCvux4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1172-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1172-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1824-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1172-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1172-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1824 set thread context of 1172 1824 file.exe 27 - 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 1172 file.exe 1172 file.exe 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1172 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1824 wrote to memory of 1172 1824 file.exe 27 PID 1824 wrote to memory of 1172 1824 file.exe 27 PID 1824 wrote to memory of 1172 1824 file.exe 27 PID 1824 wrote to memory of 1172 1824 file.exe 27 PID 1824 wrote to memory of 1172 1824 file.exe 27 PID 1824 wrote to memory of 1172 1824 file.exe 27 PID 1824 wrote to memory of 1172 1824 file.exe 27
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:1824 -
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:1172
-