Analysis
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max time kernel
130s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
11-07-2023 10:52
Static task
static1
Behavioral task
behavioral1
Sample
f2e100f576b44fdb37d874db2.exe
Resource
win7-20230703-en
General
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Target
f2e100f576b44fdb37d874db2.exe
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Size
4.4MB
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MD5
f2e100f576b44fdb37d874db2e48085c
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SHA1
23091a0b5231d69d85866fede573b25577e20414
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SHA256
77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196
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SHA512
14bd861a48f201a195d322e4c00f758996d2be8b6d78a1c927af53a00e029e9be7db4002c48a80f88d2869e9ba412724ec7a47c8da09faf79133df2edc608f85
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SSDEEP
98304:fqemq9DObUSOLZ27MJuUfg7Jb/0RCh2fc/xVzVALUx:PzD3SFEuUfcLwCh2Q/RAY
Malware Config
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
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__ f2e100f576b44fdb37d874db2.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 f2e100f576b44fdb37d874db2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f2e100f576b44fdb37d874db2.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 2340 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2112 f2e100f576b44fdb37d874db2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1724861073-2584418204-2594431177-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" f2e100f576b44fdb37d874db2.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA f2e100f576b44fdb37d874db2.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2112 f2e100f576b44fdb37d874db2.exe 2340 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 2112 wrote to memory of 2340 2112 f2e100f576b44fdb37d874db2.exe 28 PID 2112 wrote to memory of 2340 2112 f2e100f576b44fdb37d874db2.exe 28 PID 2112 wrote to memory of 2340 2112 f2e100f576b44fdb37d874db2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\f2e100f576b44fdb37d874db2.exe"C:\Users\Admin\AppData\Local\Temp\f2e100f576b44fdb37d874db2.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:2112 -
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:2340
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
729.4MB
MD576795be3333826c095d6450fce1564d1
SHA1502d2b4b868469398057d484b4840a9cd0c7e11c
SHA2563f2d4d1f90b48a0013b602ec8cdb26812518b94fceb98a8182f5402acf2912a2
SHA512347a2a6dd2c509d38965c1543a46c90c10579dbf75e53c3f383be20e5b93f95c4b68e3632e34d76b502dad94ac6c1d384cbc41433fac6724773f3be1fbeaec5c
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Filesize
729.4MB
MD576795be3333826c095d6450fce1564d1
SHA1502d2b4b868469398057d484b4840a9cd0c7e11c
SHA2563f2d4d1f90b48a0013b602ec8cdb26812518b94fceb98a8182f5402acf2912a2
SHA512347a2a6dd2c509d38965c1543a46c90c10579dbf75e53c3f383be20e5b93f95c4b68e3632e34d76b502dad94ac6c1d384cbc41433fac6724773f3be1fbeaec5c