Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2022 21:09
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
214KB
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MD5
6e8036173acfac66de0833cf127a6b6a
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SHA1
cd5194abce1de207051104170038c1df8ad2b137
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SHA256
1851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f
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SHA512
b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6
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SSDEEP
3072:f/Qr3pL/xrSbRVZJQML+gm1EDVdP3zAmLC1izvx4tUwELszoXgb940zwUzQRKF+:H8pL/xgST1EDTlxhgzoXgp40M2b
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/4236-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2268-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/4236-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4236-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1392-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1392-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 4424 vfeceiw 1392 vfeceiw -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2268 set thread context of 4236 2268 file.exe 80 PID 4424 set thread context of 1392 4424 vfeceiw 89 -
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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vfeceiw Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vfeceiw Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vfeceiw -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4236 file.exe 4236 file.exe 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2648 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4236 file.exe 1392 vfeceiw -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2648 Process not Found Token: SeCreatePagefilePrivilege 2648 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2268 wrote to memory of 4236 2268 file.exe 80 PID 2268 wrote to memory of 4236 2268 file.exe 80 PID 2268 wrote to memory of 4236 2268 file.exe 80 PID 2268 wrote to memory of 4236 2268 file.exe 80 PID 2268 wrote to memory of 4236 2268 file.exe 80 PID 2268 wrote to memory of 4236 2268 file.exe 80 PID 4424 wrote to memory of 1392 4424 vfeceiw 89 PID 4424 wrote to memory of 1392 4424 vfeceiw 89 PID 4424 wrote to memory of 1392 4424 vfeceiw 89 PID 4424 wrote to memory of 1392 4424 vfeceiw 89 PID 4424 wrote to memory of 1392 4424 vfeceiw 89 PID 4424 wrote to memory of 1392 4424 vfeceiw 89
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4236
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C:\Users\Admin\AppData\Roaming\vfeceiwC:\Users\Admin\AppData\Roaming\vfeceiw1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Users\Admin\AppData\Roaming\vfeceiwC:\Users\Admin\AppData\Roaming\vfeceiw2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1392
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
214KB
MD56e8036173acfac66de0833cf127a6b6a
SHA1cd5194abce1de207051104170038c1df8ad2b137
SHA2561851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f
SHA512b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6
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Filesize
214KB
MD56e8036173acfac66de0833cf127a6b6a
SHA1cd5194abce1de207051104170038c1df8ad2b137
SHA2561851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f
SHA512b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6
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Filesize
214KB
MD56e8036173acfac66de0833cf127a6b6a
SHA1cd5194abce1de207051104170038c1df8ad2b137
SHA2561851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f
SHA512b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6