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Analysis
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max time kernel
162s -
max time network
198s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
07/05/2023, 06:10
Static task
static1
Behavioral task
behavioral1
Sample
b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe
Resource
win7-20230220-en
General
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Target
b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe
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Size
3.6MB
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MD5
790cc6250e75861e6c0fd25fd041be87
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SHA1
0294cd435b2916514245bcf36834a598946f69ac
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SHA256
b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81
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SHA512
9ce86bd36b51f9bd20279ca1538b6e7cb7ec06f6650f40f5204ea57ea673ea1118d994c2ef360beaa0d29582fc618380e3f26cddd4dfd3ae1b32e0a845ba0ffb
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SSDEEP
49152:QAx2ellLgDUJiNKl7cIlIMkQ0KHr5xbnxxr2Xki9j+zs/7XuUf7fZeYb0BIJ9Lkr:QxeXLPgNYIMkQNHr5zh8kiQA/6ULQF9r
Malware Config
Extracted
laplas
http://45.159.189.105
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api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 1684 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2016 b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2016 b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe 1684 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1684 2016 b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe 28 PID 2016 wrote to memory of 1684 2016 b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe 28 PID 2016 wrote to memory of 1684 2016 b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe"C:\Users\Admin\AppData\Local\Temp\b93d0d4b15a7c44c7be7513a952dd5f71c018ac75a8c8dbac88c3c49aad00b81.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1684
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
304.9MB
MD5a16fdea73ee70e4e3b9d4ef4f7039cc4
SHA1cd84b24c405f6c8d6fb890d5e1f92e0c9b1425d2
SHA256aae0572028c9fa9da0e5cdfdc925f914f2b4eb37d5eced4860a314dfda969b09
SHA512d5e48587e8cb209dfb1a38b74cd6c48dfc72ed2bc9dd0bc8e455fce8717f7f336a4570f0b2619513e9a20b35f0975a359fbaa8a86c15a7a264857ce8adffad4e
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Filesize
301.6MB
MD5e8848bf14aaf1aa7624d06e721b67dc4
SHA156944618e0bd5482e440b63b55fb22e882ee6c1e
SHA25659c32eddde3fd25bf432cec2d11e77da3237c448ec2ebcc7df84ea8a4cbe1460
SHA51264464bb2dd400de7f3e5922baaefde6489587b39ed8c760b16739b4f666b8a1bd47f51de1efab113cc75eaa7221ae135bacbde1ef88bf26dcf18336426d23ed0