Analysis
- max time kernel
151s - max time network
119s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
27/01/2022, 07:49
Static task
static1
Behavioral task
behavioral1
Sample
741fd84569147ff263cdef90566b789c.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
741fd84569147ff263cdef90566b789c.exe
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
- Target 741fd84569147ff263cdef90566b789c.exe
- Size 333KB
- Sample220127-jnpfsshefk
- SHA256 5935be98b3f029dc6ece644cd1f6b844124f667d96da6ac9c8a1109ba67fb5fc
- MD5 741fd84569147ff263cdef90566b789c
- SHA1 e4df3ec61a7a7b71414bbaa9de095df83d6b7c65
- SHA512 5bc605464707e0bb6276478cbca41a18b015d54f6ec47fca439e2940b7341cb5743df8a372ac6cc9820667a5e9597902df9037a8670d4cd63fa56422f87e3299
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-data-coin-11.com/
-
http://file-coin-host-12.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 1096 iebhhuc 688 iebhhuc - Deletes itself 1 IoCs
pid Process 1216 Process not Found - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 756 set thread context of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 1096 set thread context of 688 1096 iebhhuc 30 - 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 iebhhuc Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI iebhhuc Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI iebhhuc Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 741fd84569147ff263cdef90566b789c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 741fd84569147ff263cdef90566b789c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 741fd84569147ff263cdef90566b789c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 752 741fd84569147ff263cdef90566b789c.exe 752 741fd84569147ff263cdef90566b789c.exe 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1216 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 752 741fd84569147ff263cdef90566b789c.exe 688 iebhhuc - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1216 Process not Found 1216 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1216 Process not Found 1216 Process not Found - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 756 wrote to memory of 752 756 741fd84569147ff263cdef90566b789c.exe 27 PID 1624 wrote to memory of 1096 1624 taskeng.exe 29 PID 1624 wrote to memory of 1096 1624 taskeng.exe 29 PID 1624 wrote to memory of 1096 1624 taskeng.exe 29 PID 1624 wrote to memory of 1096 1624 taskeng.exe 29 PID 1096 wrote to memory of 688 1096 iebhhuc 30 PID 1096 wrote to memory of 688 1096 iebhhuc 30 PID 1096 wrote to memory of 688 1096 iebhhuc 30 PID 1096 wrote to memory of 688 1096 iebhhuc 30 PID 1096 wrote to memory of 688 1096 iebhhuc 30 PID 1096 wrote to memory of 688 1096 iebhhuc 30 PID 1096 wrote to memory of 688 1096 iebhhuc 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe"C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe"C:\Users\Admin\AppData\Local\Temp\741fd84569147ff263cdef90566b789c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:752
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {100B09A8-2C70-4376-B2F6-96FC9BD9BAF4} S-1-5-21-3846991908-3261386348-1409841751-1000:VQVVOAJK\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Users\Admin\AppData\Roaming\iebhhucC:\Users\Admin\AppData\Roaming\iebhhuc2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Roaming\iebhhucC:\Users\Admin\AppData\Roaming\iebhhuc3⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:688
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-