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Analysis
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max time kernel
150s -
max time network
85s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
13/09/2022, 04:09
Static task
static1
Behavioral task
behavioral1
Sample
c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe
Resource
win10-20220812-en
General
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Target
c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe
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Size
267KB
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MD5
51b8c675a784d9fd6257f1db51a28624
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SHA1
ec8c5b8e3181065ed7a3ca1c5a836a8dce1b6631
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SHA256
c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829
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SHA512
fb273c61a1fa56738ce10f8d642efc7da6dd90022afe0203019e1c7e4df67bd2af5f803f7cb9ca8d19f6a6316c250cb05ed05ed3bd01046b86084bb3ffbf385c
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SSDEEP
6144:4sxqFaeR195lHlxc8JTooPs/p+MtZq9L:Xq5195pHc8JTooPskMt
Malware Config
Signatures
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Detects Smokeloader packer 7 IoCs
resource yara_rule behavioral1/memory/2584-142-0x00000000001D0000-0x00000000001D9000-memory.dmp family_smokeloader behavioral1/memory/3892-147-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3892-148-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/3892-169-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3892-179-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3404-210-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/3404-242-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 4864 sregjjd 3404 sregjjd -
Deletes itself 1 IoCs
pid Process 3064 Process not Found -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2584 set thread context of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 4864 set thread context of 3404 4864 sregjjd 68 -
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 sregjjd Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI sregjjd Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI sregjjd Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3892 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 3892 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3064 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3892 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 3404 sregjjd -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3064 Process not Found Token: SeCreatePagefilePrivilege 3064 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2584 wrote to memory of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 2584 wrote to memory of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 2584 wrote to memory of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 2584 wrote to memory of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 2584 wrote to memory of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 2584 wrote to memory of 3892 2584 c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe 66 PID 4864 wrote to memory of 3404 4864 sregjjd 68 PID 4864 wrote to memory of 3404 4864 sregjjd 68 PID 4864 wrote to memory of 3404 4864 sregjjd 68 PID 4864 wrote to memory of 3404 4864 sregjjd 68 PID 4864 wrote to memory of 3404 4864 sregjjd 68 PID 4864 wrote to memory of 3404 4864 sregjjd 68
Processes
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C:\Users\Admin\AppData\Local\Temp\c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe"C:\Users\Admin\AppData\Local\Temp\c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Users\Admin\AppData\Local\Temp\c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe"C:\Users\Admin\AppData\Local\Temp\c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3892
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C:\Users\Admin\AppData\Roaming\sregjjdC:\Users\Admin\AppData\Roaming\sregjjd1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Users\Admin\AppData\Roaming\sregjjdC:\Users\Admin\AppData\Roaming\sregjjd2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3404
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
267KB
MD551b8c675a784d9fd6257f1db51a28624
SHA1ec8c5b8e3181065ed7a3ca1c5a836a8dce1b6631
SHA256c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829
SHA512fb273c61a1fa56738ce10f8d642efc7da6dd90022afe0203019e1c7e4df67bd2af5f803f7cb9ca8d19f6a6316c250cb05ed05ed3bd01046b86084bb3ffbf385c
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Filesize
267KB
MD551b8c675a784d9fd6257f1db51a28624
SHA1ec8c5b8e3181065ed7a3ca1c5a836a8dce1b6631
SHA256c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829
SHA512fb273c61a1fa56738ce10f8d642efc7da6dd90022afe0203019e1c7e4df67bd2af5f803f7cb9ca8d19f6a6316c250cb05ed05ed3bd01046b86084bb3ffbf385c
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Filesize
267KB
MD551b8c675a784d9fd6257f1db51a28624
SHA1ec8c5b8e3181065ed7a3ca1c5a836a8dce1b6631
SHA256c072fe24046a3228661e3ae9b96fce4e39dab53f058b62e944cac3c58c1b5829
SHA512fb273c61a1fa56738ce10f8d642efc7da6dd90022afe0203019e1c7e4df67bd2af5f803f7cb9ca8d19f6a6316c250cb05ed05ed3bd01046b86084bb3ffbf385c