Analysis
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max time kernel
176s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 10:26
Static task
static1
Behavioral task
behavioral1
Sample
1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe
Resource
win7-20230220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe
Resource
win10v2004-20230221-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe
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Size
265KB
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MD5
c42da644d3c00284fcb5ffcd7a988283
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SHA1
8bb52deb73e9c39bbfccf4ca7aaa55b247d6473c
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SHA256
1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c
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SHA512
2c3dbe61c25e227a33f15320033ab98eea4c9a154299a1a58c3e67c0965a301ddb064e3b5b1e6a79654ee96527b6d0234715fdca68d0e1e5dd20a308355c1e97
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SSDEEP
6144:YwT07LtmFcwelq90aRB8F0nG4s4eZeqm:Yq07hm+Vq90O8lZg
Score
10/10
Malware Config
Extracted
Family
smokeloader
Version
2020
C2
http://host-file-host6.com/
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2988-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1248-135-0x0000000000590000-0x0000000000599000-memory.dmp family_smokeloader behavioral2/memory/2988-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2988-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1248 set thread context of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 -
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 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2988 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 2988 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found 3164 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3164 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2988 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3164 Process not Found Token: SeCreatePagefilePrivilege 3164 Process not Found Token: SeShutdownPrivilege 3164 Process not Found Token: SeCreatePagefilePrivilege 3164 Process not Found Token: SeShutdownPrivilege 3164 Process not Found Token: SeCreatePagefilePrivilege 3164 Process not Found Token: SeShutdownPrivilege 3164 Process not Found Token: SeCreatePagefilePrivilege 3164 Process not Found Token: SeShutdownPrivilege 3164 Process not Found Token: SeCreatePagefilePrivilege 3164 Process not Found Token: SeShutdownPrivilege 3164 Process not Found Token: SeCreatePagefilePrivilege 3164 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1248 wrote to memory of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 PID 1248 wrote to memory of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 PID 1248 wrote to memory of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 PID 1248 wrote to memory of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 PID 1248 wrote to memory of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 PID 1248 wrote to memory of 2988 1248 1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe 84 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe"C:\Users\Admin\AppData\Local\Temp\1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Users\Admin\AppData\Local\Temp\1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe"C:\Users\Admin\AppData\Local\Temp\1cae7e40933c543d85b22fd00cf88898a5daa6118c8c50e9875472736a53eb7c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2988
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