Analysis
- max time kernel
23s - max time network
118s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system - submitted
12/01/2024, 10:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
866c6faeaa820ec56550404cd3d0f1b0.exe
Resource
win7-20231129-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
866c6faeaa820ec56550404cd3d0f1b0.exe
Resource
win10v2004-20231215-en
14 signatures
150 seconds
General
- Target 866c6faeaa820ec56550404cd3d0f1b0.exe
- Size 289KB
- Sample240112-mxtzesfcc5
- SHA256 1a0885223c50263c153be36ffdcccd5c217e00a2e1f04893a836a37a6c0cd8a7
- MD5 866c6faeaa820ec56550404cd3d0f1b0
- SHA1 66b73e1a7f9d59fe260f138347bfd444e865abd0
- SHA512 7a6857e6744334a495021772f642bb37db37574b8cfb4e00333a201141419263f6fb2185bcbfc1e1292b0044921163536a494d76d2996a0c1371982bef721fb7
- SSDEEP 3072:xec4fYwGFV0RLr70+sJiaUEvhqwRFNNqeh7BsLDgdc/6WCJ5FTaQ4bRXp6AlAl:xec43GFV0RLNzEw+tMAq/69MbRXMA
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
pid Process 1376 Process not Found - Executes dropped EXE 1 IoCs
pid Process 2952 7501.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 7501.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2952 7501.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1972 set thread context of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 - 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 866c6faeaa820ec56550404cd3d0f1b0.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 866c6faeaa820ec56550404cd3d0f1b0.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 866c6faeaa820ec56550404cd3d0f1b0.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 7501.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 7501.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1664 schtasks.exe - Runs regedit.exe 1 IoCs
pid Process 1468 regedit.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2372 866c6faeaa820ec56550404cd3d0f1b0.exe 2372 866c6faeaa820ec56550404cd3d0f1b0.exe 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2372 866c6faeaa820ec56550404cd3d0f1b0.exe - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 2952 7501.exe Token: SeRestorePrivilege 2952 7501.exe Token: SeBackupPrivilege 2952 7501.exe Token: SeLoadDriverPrivilege 2952 7501.exe Token: SeCreatePagefilePrivilege 2952 7501.exe Token: SeShutdownPrivilege 2952 7501.exe Token: SeTakeOwnershipPrivilege 2952 7501.exe Token: SeChangeNotifyPrivilege 2952 7501.exe Token: SeCreateTokenPrivilege 2952 7501.exe Token: SeMachineAccountPrivilege 2952 7501.exe Token: SeSecurityPrivilege 2952 7501.exe Token: SeAssignPrimaryTokenPrivilege 2952 7501.exe Token: SeCreateGlobalPrivilege 2952 7501.exe Token: 33 2952 7501.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1972 wrote to memory of 2372 1972 866c6faeaa820ec56550404cd3d0f1b0.exe 21 PID 1376 wrote to memory of 2952 1376 Process not Found 30 PID 1376 wrote to memory of 2952 1376 Process not Found 30 PID 1376 wrote to memory of 2952 1376 Process not Found 30 PID 1376 wrote to memory of 2952 1376 Process not Found 30
Processes
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C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe"C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe"C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2372
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2700
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C:\Users\Admin\AppData\Local\Temp\3973ym3au7s335i_1.exe/suac2⤵PID:2296
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\3973YM~1.EXE" /RL HIGHEST3⤵
- Creates scheduled task(s)
PID:1664
-
-
C:\Windows\SysWOW64\regedit.exe"C:\Windows\SysWOW64\regedit.exe"3⤵
- Runs regedit.exe
PID:1468
-
-
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C:\Users\Admin\AppData\Local\Temp\7501.exeC:\Users\Admin\AppData\Local\Temp\7501.exe1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:2952
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C:\Users\Admin\AppData\Local\Temp\7BC6.exeC:\Users\Admin\AppData\Local\Temp\7BC6.exe1⤵PID:2432