Analysis
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max time kernel
114s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2023 03:42
Static task
static1
Behavioral task
behavioral1
Sample
8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe
Resource
win10v2004-20230915-en
General
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Target
8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe
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Size
267KB
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MD5
94bc47f91a540c7d4f293bd3208ca79d
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SHA1
641aa079c31390ee951a0eb40ead4634d4180736
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SHA256
8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b
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SHA512
a589d56bf07e7de9a9a472766e764165789064e6c9dfb0b4bd10bdfe731d07ef994811b5b0327a4dbc3adb95d819dfa91a532b40c3646fcd748c3e5efc3f6713
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SSDEEP
3072:NrW2PMtQv+oFD63pXAZwID4BhWL4M9ME7YvTYpBxMCOoQGbQpnxNBYrcxqbY:VW2pv+oFD63py6oD9MSxC7EQpNYrY
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3116 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 4344 bbbdcif 1400 bbbdcif -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2944 set thread context of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 4344 set thread context of 1400 4344 bbbdcif 93 -
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 bbbdcif Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bbbdcif Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bbbdcif Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4440 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 4440 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found 3116 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3116 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4440 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 1400 bbbdcif -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3116 Process not Found Token: SeCreatePagefilePrivilege 3116 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3116 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2944 wrote to memory of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 2944 wrote to memory of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 2944 wrote to memory of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 2944 wrote to memory of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 2944 wrote to memory of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 2944 wrote to memory of 4440 2944 8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe 85 PID 4344 wrote to memory of 1400 4344 bbbdcif 93 PID 4344 wrote to memory of 1400 4344 bbbdcif 93 PID 4344 wrote to memory of 1400 4344 bbbdcif 93 PID 4344 wrote to memory of 1400 4344 bbbdcif 93 PID 4344 wrote to memory of 1400 4344 bbbdcif 93 PID 4344 wrote to memory of 1400 4344 bbbdcif 93 -
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\8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe"C:\Users\Admin\AppData\Local\Temp\8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Users\Admin\AppData\Local\Temp\8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe"C:\Users\Admin\AppData\Local\Temp\8611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4440
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C:\Users\Admin\AppData\Roaming\bbbdcifC:\Users\Admin\AppData\Roaming\bbbdcif1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Users\Admin\AppData\Roaming\bbbdcifC:\Users\Admin\AppData\Roaming\bbbdcif2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1400
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
267KB
MD594bc47f91a540c7d4f293bd3208ca79d
SHA1641aa079c31390ee951a0eb40ead4634d4180736
SHA2568611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b
SHA512a589d56bf07e7de9a9a472766e764165789064e6c9dfb0b4bd10bdfe731d07ef994811b5b0327a4dbc3adb95d819dfa91a532b40c3646fcd748c3e5efc3f6713
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Filesize
267KB
MD594bc47f91a540c7d4f293bd3208ca79d
SHA1641aa079c31390ee951a0eb40ead4634d4180736
SHA2568611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b
SHA512a589d56bf07e7de9a9a472766e764165789064e6c9dfb0b4bd10bdfe731d07ef994811b5b0327a4dbc3adb95d819dfa91a532b40c3646fcd748c3e5efc3f6713
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Filesize
267KB
MD594bc47f91a540c7d4f293bd3208ca79d
SHA1641aa079c31390ee951a0eb40ead4634d4180736
SHA2568611d1e03d8fff50fd6e5c7379f1f1beccd104271b7fa09b63781055d587059b
SHA512a589d56bf07e7de9a9a472766e764165789064e6c9dfb0b4bd10bdfe731d07ef994811b5b0327a4dbc3adb95d819dfa91a532b40c3646fcd748c3e5efc3f6713