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Analysis
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max time kernel
152s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 16:06
Static task
static1
Behavioral task
behavioral1
Sample
0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe
Resource
win10v2004-20220812-en
General
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Target
0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe
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Size
273KB
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MD5
85cbf9277e814e4b950df45e4a245fab
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SHA1
d14351d7e63c3f9e2b45c0ba9cd39d94a3ac2635
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SHA256
0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2
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SHA512
a7ce87fa09ad6f7ba97e3b55381b0d349a7c3fbbcb9c5798fc8f8a39c1dacb1ec624f8113643782476576af1ef869df0d2a2cbc30a5d0d8ddb98dfcc88266c07
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SSDEEP
3072:DymXV0t4JYKM05DuYg9Wv56YfsQYT+oGTGBFxxghTDw02rwm91y22ZeXGMh0k:eOhuYghYEQWNGiBDxf02smQe2U
Malware Config
Signatures
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Detects Smokeloader packer 2 IoCs
resource yara_rule behavioral1/memory/3116-133-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral1/memory/3116-137-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Blocklisted process makes network request 5 IoCs
flow pid Process 49 3384 rundll32.exe 76 3384 rundll32.exe 78 3384 rundll32.exe 80 3384 rundll32.exe 81 3384 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1544 6EF6.exe -
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 0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3116 0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe 3116 0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2704 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3116 0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2704 wrote to memory of 1544 2704 Process not Found 81 PID 2704 wrote to memory of 1544 2704 Process not Found 81 PID 2704 wrote to memory of 1544 2704 Process not Found 81 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82 PID 1544 wrote to memory of 3384 1544 6EF6.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe"C:\Users\Admin\AppData\Local\Temp\0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3116
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C:\Users\Admin\AppData\Local\Temp\6EF6.exeC:\Users\Admin\AppData\Local\Temp\6EF6.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
PID:3384
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
854KB
MD5b5ddd722870b01d4908f72a83c5d5d8b
SHA1e04ff8b6ec35900961d7d34115d77438a5d8db8f
SHA256dd38d9f92b19728b23891ceb5fa2220ab1e87e1b4d783c3111a9b36f7c274537
SHA5120a1647d7d94b0fb94e74aad5becf456d28f4159da57e591fa0c5438db590d767508b7b53ec9ccfb9104a021f4df9add747a264d78d2b0b93f640c8a9baaefdfc
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Filesize
854KB
MD5b5ddd722870b01d4908f72a83c5d5d8b
SHA1e04ff8b6ec35900961d7d34115d77438a5d8db8f
SHA256dd38d9f92b19728b23891ceb5fa2220ab1e87e1b4d783c3111a9b36f7c274537
SHA5120a1647d7d94b0fb94e74aad5becf456d28f4159da57e591fa0c5438db590d767508b7b53ec9ccfb9104a021f4df9add747a264d78d2b0b93f640c8a9baaefdfc