Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
31/10/2022, 21:09
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 211KB
- Sample221031-zzfk2aeabk
- SHA256 f39d8f90f0efb70561032b4a8081144ea2f760ca96348d9d8599e76823418e4d
- MD5 4d1d13af768eaf137029f1773dc50b58
- SHA1 9779ace1671a28929f6d803f05f5210894d7f09a
- SHA512 f6f011e63b1c28b323d007ed99a527b394f8a806b6977a29242ae4475737169863b8e38ab5f631a22f3db2c6f226dac4ab59bae5fae8275a400b9051d19bf630
- SSDEEP 3072:iaiT6u6zSUwLr0LI7G6Kf5007BGPacVND+HlHS0kndiWrYhexqx:iaUEz/wLoLI7GM8GSyd+Hl2diWor
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 2 IoCs
resource yara_rule behavioral2/memory/4988-133-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/4988-136-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 5112 iifitfa - Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI iifitfa Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI iifitfa Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI iifitfa - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4988 file.exe 4988 file.exe 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4988 file.exe 5112 iifitfa
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4988
-
C:\Users\Admin\AppData\Roaming\iifitfaC:\Users\Admin\AppData\Roaming\iifitfa1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:5112
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\iifitfa
- Size 211KB
- SHA256 f39d8f90f0efb70561032b4a8081144ea2f760ca96348d9d8599e76823418e4d
- MD5 4d1d13af768eaf137029f1773dc50b58
- SHA1 9779ace1671a28929f6d803f05f5210894d7f09a
- SHA512 f6f011e63b1c28b323d007ed99a527b394f8a806b6977a29242ae4475737169863b8e38ab5f631a22f3db2c6f226dac4ab59bae5fae8275a400b9051d19bf630
- SSDEEP 3072:iaiT6u6zSUwLr0LI7G6Kf5007BGPacVND+HlHS0kndiWrYhexqx:iaUEz/wLoLI7GM8GSyd+Hl2diWor
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\iifitfa
- Size 211KB
- SHA256 f39d8f90f0efb70561032b4a8081144ea2f760ca96348d9d8599e76823418e4d
- MD5 4d1d13af768eaf137029f1773dc50b58
- SHA1 9779ace1671a28929f6d803f05f5210894d7f09a
- SHA512 f6f011e63b1c28b323d007ed99a527b394f8a806b6977a29242ae4475737169863b8e38ab5f631a22f3db2c6f226dac4ab59bae5fae8275a400b9051d19bf630
- SSDEEP 3072:iaiT6u6zSUwLr0LI7G6Kf5007BGPacVND+HlHS0kndiWrYhexqx:iaUEz/wLoLI7GM8GSyd+Hl2diWor
- MD5 SHA1 SHA512 SSDEEP