Analysis
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max time kernel
118s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
14-10-2023 13:02
Behavioral task
behavioral1
Sample
2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe
Resource
win10v2004-20230915-en
General
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Target
2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe
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Size
390KB
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MD5
63a364620dcd70ada03eee7f591de81e
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SHA1
41ec7aeb7c7ac83a778a7b7b7163390a99599480
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SHA256
2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b
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SHA512
a72739028cd68552bacbdca9c55c4f269206711becb875fba7beee6889123e4710ec4c44b81cf8df5378de587160f4d18de8b7a8dce910f718949ccdf76726ea
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SSDEEP
12288:Kc6fcoxQNKJvMf4s1S9KMqXYxzk1BjYnsWQJ208:DoxQUJG4s18qIu958
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ PTvrst.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 2668 PTvrst.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Wine PTvrst.exe -
resource yara_rule behavioral1/memory/2224-0-0x0000000000400000-0x0000000000535000-memory.dmp upx behavioral1/memory/2224-3-0x0000000000400000-0x0000000000535000-memory.dmp upx behavioral1/memory/2224-11-0x0000000000400000-0x0000000000535000-memory.dmp upx behavioral1/memory/2224-39-0x0000000000400000-0x0000000000535000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Therecontinuous = "C:\\WINDOWS\\DNomb\\PTvrst.exe" PTvrst.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2668 PTvrst.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\DNomb\spolsvt.exe 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe File created C:\Windows\DNomb\PTvrst.exe 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe File created C:\Windows\DNomb\Mpec.mbt 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe File opened for modification C:\Windows\DNomb\Mpec.mbt 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2668 PTvrst.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2224 2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe 2668 PTvrst.exe 2668 PTvrst.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe"C:\Users\Admin\AppData\Local\Temp\2d99499bd32277d990ab68b04f930123c4fe6c9e6c5ee619abec04b9de172d8b.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2224
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C:\Users\Public\Documents\123\PTvrst.exe"C:\Users\Public\Documents\123\PTvrst.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2668
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5d22cfb5bfaeb1503b12b07e53ef0a149
SHA18ea2c85e363f551a159fabd65377affed4e417a1
SHA256260464fb05210cfb30ef7a12d568f75eb781634b251d958cae8911948f6ca360
SHA512151024cb2960b1ee485ded7ccbb753fe368a93fda5699af72e568667fa54bfb0d1732444e7b60efaab6d372204157cdb6abbf8862d0e89d612dd963342215e45
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Filesize
1.2MB
MD5d22cfb5bfaeb1503b12b07e53ef0a149
SHA18ea2c85e363f551a159fabd65377affed4e417a1
SHA256260464fb05210cfb30ef7a12d568f75eb781634b251d958cae8911948f6ca360
SHA512151024cb2960b1ee485ded7ccbb753fe368a93fda5699af72e568667fa54bfb0d1732444e7b60efaab6d372204157cdb6abbf8862d0e89d612dd963342215e45
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Filesize
802B
MD5555b2a6585542a8ebb6770fa3b8ffc5f
SHA1f26bc79e6031928b16fbf1c8625558bb2fd343ad
SHA256d5194a0267b5cdff1d13aaf5322d148a18ae4800052332fb8cbe2ce4804c7eb2
SHA512b1489574abced67b37dc85480daaf679a001702d672e5d82261bce49461c59fe478dea9a7a2333d8be3386d0c857be069c2e5409a3368e201438e7c738a6ee53