Analysis
- max time kernel
40s - max time network
52s - platform
windows10_x64 - resource
win10v20210410 - submitted
17/08/2021, 09:33
Static task
static1
Behavioral task
behavioral1
Sample
d8d1192b054172a5421790d411f0f949.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
d8d1192b054172a5421790d411f0f949.exe
Resource
win10v20210410
Errors
General
- Target d8d1192b054172a5421790d411f0f949.exe
- Size 276KB
- Sample210817-da9hz7ff16
- SHA256 881809c7838ffda4805b1968e37c25dd5f1d9d02a6a2aadb7695705167d45cd2
- MD5 d8d1192b054172a5421790d411f0f949
- SHA1 6c3e323c9e3f902f3d2d57217d96296d8741ecd3
- SHA512 9465fcb04f83518f75a4007c416dfe36887183c41138952d067c38a8638144a7dcb5ea0751d8ad97ce60ab8472c624795077a56c4c50fb40718b73da26dece20
- MD5 SHA1 SHA512
Malware Config
Extracted
-
smokeloader
-
2020
-
http://aucmoney.com/upload/
-
http://thegymmum.com/upload/
-
http://atvcampingtrips.com/upload/
-
http://kuapakualaman.com/upload/
-
http://renatazarazua.com/upload/
-
http://nasufmutlu.com/upload/
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001ab5e-123.dat family_redline behavioral2/files/0x000300000001ab5e-124.dat family_redline - SmokeLoader
Modular backdoor trojan in use since 2014.
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 2256 D15F.exe 2024 DEBE.exe - 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\VideoBiosVersion DEBE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DEBE.exe - Deletes itself 1 IoCs
pid Process 2824 Process not Found -
resource yara_rule behavioral2/files/0x000300000001ab5e-123.dat themida behavioral2/files/0x000300000001ab5e-124.dat themida behavioral2/memory/2024-125-0x00000000008E0000-0x00000000008E1000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DEBE.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 D15F.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2024 DEBE.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 d8d1192b054172a5421790d411f0f949.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d8d1192b054172a5421790d411f0f949.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d8d1192b054172a5421790d411f0f949.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3916 d8d1192b054172a5421790d411f0f949.exe 3916 d8d1192b054172a5421790d411f0f949.exe 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3916 d8d1192b054172a5421790d411f0f949.exe - Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeShutdownPrivilege 2824 Process not Found Token: SeCreatePagefilePrivilege 2824 Process not Found Token: SeShutdownPrivilege 2824 Process not Found Token: SeCreatePagefilePrivilege 2824 Process not Found Token: SeShutdownPrivilege 2824 Process not Found Token: SeCreatePagefilePrivilege 2824 Process not Found Token: SeShutdownPrivilege 2824 Process not Found Token: SeCreatePagefilePrivilege 2824 Process not Found Token: SeShutdownPrivilege 2256 D15F.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2256 2824 Process not Found 79 PID 2824 wrote to memory of 2256 2824 Process not Found 79 PID 2824 wrote to memory of 2256 2824 Process not Found 79 PID 2824 wrote to memory of 2024 2824 Process not Found 80 PID 2824 wrote to memory of 2024 2824 Process not Found 80 PID 2824 wrote to memory of 2024 2824 Process not Found 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\d8d1192b054172a5421790d411f0f949.exe"C:\Users\Admin\AppData\Local\Temp\d8d1192b054172a5421790d411f0f949.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3916
-
C:\Users\Admin\AppData\Local\Temp\D15F.exeC:\Users\Admin\AppData\Local\Temp\D15F.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:2256
-
C:\Users\Admin\AppData\Local\Temp\DEBE.exeC:\Users\Admin\AppData\Local\Temp\DEBE.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2024