Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
08/03/2022, 22:15
Static task
static1
Behavioral task
behavioral1
Sample
l0ad.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
l0ad.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target l0ad.exe
- Size 2.1MB
- Sample220308-158pfaechk
- SHA256 dfd82ea53bb1196fc2e079063358063b524142778c754259045e4541c60d7c1d
- MD5 f2f3ca70d49e2709c7a49141ea1ba57c
- SHA1 aad2f371705b10a26d6fa1c9e7672bbffa8c0c54
- SHA512 f30d2cb57a292a0d6ceb3e0fe42fcef50007bf99e2ed09cbb077e0954ad66d791b779043db847598307e7d8ba919c8dbf9594560ad661d32f105cfbd019a6bcc
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://2.56.59.26/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion l0ad.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion l0ad.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA l0ad.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3864 l0ad.exe 3864 l0ad.exe - 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 l0ad.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI l0ad.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI l0ad.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3864 l0ad.exe 3864 l0ad.exe 3864 l0ad.exe 3864 l0ad.exe 3864 l0ad.exe 3864 l0ad.exe 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2436 Process not Found - Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 3864 l0ad.exe 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found 2436 Process not Found - Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2436 wrote to memory of 1800 2436 Process not Found 63 PID 2436 wrote to memory of 1800 2436 Process not Found 63 PID 2436 wrote to memory of 1800 2436 Process not Found 63 PID 2436 wrote to memory of 1800 2436 Process not Found 63 PID 2436 wrote to memory of 640 2436 Process not Found 64 PID 2436 wrote to memory of 640 2436 Process not Found 64 PID 2436 wrote to memory of 640 2436 Process not Found 64 PID 2436 wrote to memory of 1868 2436 Process not Found 65 PID 2436 wrote to memory of 1868 2436 Process not Found 65 PID 2436 wrote to memory of 1868 2436 Process not Found 65 PID 2436 wrote to memory of 1868 2436 Process not Found 65 PID 2436 wrote to memory of 2144 2436 Process not Found 67 PID 2436 wrote to memory of 2144 2436 Process not Found 67 PID 2436 wrote to memory of 2144 2436 Process not Found 67 PID 2436 wrote to memory of 2312 2436 Process not Found 68 PID 2436 wrote to memory of 2312 2436 Process not Found 68 PID 2436 wrote to memory of 2312 2436 Process not Found 68 PID 2436 wrote to memory of 2312 2436 Process not Found 68 PID 2436 wrote to memory of 2580 2436 Process not Found 69 PID 2436 wrote to memory of 2580 2436 Process not Found 69 PID 2436 wrote to memory of 2580 2436 Process not Found 69 PID 2436 wrote to memory of 2580 2436 Process not Found 69 PID 2436 wrote to memory of 1712 2436 Process not Found 72 PID 2436 wrote to memory of 1712 2436 Process not Found 72 PID 2436 wrote to memory of 1712 2436 Process not Found 72 PID 2436 wrote to memory of 1712 2436 Process not Found 72 PID 2436 wrote to memory of 2208 2436 Process not Found 73 PID 2436 wrote to memory of 2208 2436 Process not Found 73 PID 2436 wrote to memory of 2208 2436 Process not Found 73 PID 2436 wrote to memory of 2976 2436 Process not Found 74 PID 2436 wrote to memory of 2976 2436 Process not Found 74 PID 2436 wrote to memory of 2976 2436 Process not Found 74 PID 2436 wrote to memory of 2976 2436 Process not Found 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\l0ad.exe"C:\Users\Admin\AppData\Local\Temp\l0ad.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3864
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1800
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:640
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1868
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2144
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2312
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2580
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1712
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2208
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2976