Analysis
- max time kernel
151s - max time network
41s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
28/12/2022, 12:34
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
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 229KB
- Sample221228-prrm8ade2y
- SHA256 a07f2a53cf8e208ef68560bb5c2f77a1cdcd1b774696a44756bdbbcf9dd7a9b3
- MD5 53d7bd80132deb16b891f947a8c47085
- SHA1 6a42fb3990100bc008d85bbd0c5ae63bced720b1
- SHA512 774b9c58bc78db3c90287106d859c9d566896d5a5b86d2ca2414b31a90de64d451b5118b972fb1c928d6e25b8a18db6d215a427805f8dfbcb92370eb30bd4a66
- SSDEEP 3072:Z9CNLh1fK45Da1PKWQLD95SLxq1qZSMJGYAPtYKs/xAI99:EL3CTP8Lh4LxwqlMj1YDZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2028-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2028-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1764-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2028-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2028-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1764 set thread context of 2028 1764 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 2028 file.exe 2028 file.exe 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2028 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1764 wrote to memory of 2028 1764 file.exe 26 PID 1764 wrote to memory of 2028 1764 file.exe 26 PID 1764 wrote to memory of 2028 1764 file.exe 26 PID 1764 wrote to memory of 2028 1764 file.exe 26 PID 1764 wrote to memory of 2028 1764 file.exe 26 PID 1764 wrote to memory of 2028 1764 file.exe 26 PID 1764 wrote to memory of 2028 1764 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:1764 -
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:2028
-