Analysis
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max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 03:41
Behavioral task
behavioral1
Sample
493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe
Resource
win7-20231215-en
8 signatures
150 seconds
General
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Target
493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe
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Size
5.1MB
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MD5
cae49b754cd4f40f428eaa78ceeef195
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SHA1
c83006a616cef6e50254598ba869f8c1fef03d28
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SHA256
493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b
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SHA512
40465396da861b69140139a493c21e8be32a7b5b03631381bbb3a04ea681c4d374a0046a82feda160a3414930af8f8bf460ce43d1a8559be93e6aec2bc315f52
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SSDEEP
98304:Ab+ge5mSVzQzRNWDs4vCS7W5IeouyUKylP1uniL8OspPYB:AbG5dV0dNWI6CS7xnuyUCiL5spPk
Malware Config
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/3784-1-0x0000000000120000-0x000000000062C000-memory.dmp family_zgrat_v1 -
SectopRAT payload 2 IoCs
resource yara_rule behavioral2/memory/3784-22-0x0000000008010000-0x0000000008110000-memory.dmp family_sectoprat behavioral2/memory/3556-21-0x0000000000400000-0x00000000004D2000-memory.dmp family_sectoprat -
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/3784-1-0x0000000000120000-0x000000000062C000-memory.dmp net_reactor -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Defining_and_specifying_file_locations.lnk 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe -
Loads dropped DLL 1 IoCs
pid Process 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3784 set thread context of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3556 InstallUtil.exe Token: SeDebugPrivilege 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99 PID 3784 wrote to memory of 3556 3784 493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe"C:\Users\Admin\AppData\Local\Temp\493807123c2e449d0dcfdbd3443d083aef30a6aaea42381290572bab06090c0b.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
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