Analysis
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max time kernel
143s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 14:46
Behavioral task
behavioral1
Sample
855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe
Resource
win10v2004-20240426-en
General
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Target
855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe
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Size
1.7MB
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MD5
58efcbdd47d43c6b3fa9e72bed855c91
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SHA1
5cb1ec5c25b87a74f1b15e32a967e1302ac99dd2
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SHA256
855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213
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SHA512
9cbdff69cf0b6a469a16a79a56661b9d1f6d2f8c07c900f1c9e5f8a2e7cb9f651e5c0b084d4ba71de5af2f95dc815d93a29dc848cf313dd95b5ce2cabfd7c52b
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SSDEEP
24576:O0pyEg2B7RVUUm4bcM0aUXJHblCtijIGNFI7V8Jo5Li76BzhPNO0qO4IM6VnCVt1:jpyEg27cIUXvCtMpN67V8OQa4InVns
Malware Config
Extracted
amadey
4.20
http://193.233.132.139
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install_dir
5454e6f062
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install_file
explorta.exe
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strings_key
c7a869c5ba1d72480093ec207994e2bf
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url_paths
/sev56rkm/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.exe -
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe -
Executes dropped EXE 4 IoCs
pid Process 2580 explorta.exe 2664 explorta.exe 2140 explorta.exe 516 explorta.exe -
resource yara_rule behavioral1/memory/2988-1-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-0-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-2-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-3-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-4-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-5-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-8-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-6-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2988-7-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/files/0x000700000001d9e8-14.dat themida behavioral1/memory/2580-21-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-24-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-29-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-27-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-25-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-28-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-26-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-22-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2988-20-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2580-23-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2580-30-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-32-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-34-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-37-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-33-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-38-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-40-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-39-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-36-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-35-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2664-41-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2988-42-0x0000000000E30000-0x0000000001379000-memory.dmp themida behavioral1/memory/2140-50-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-52-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-56-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-54-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-53-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-51-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-55-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-57-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/2140-59-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-67-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-71-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-69-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-73-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-72-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-70-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-68-0x0000000000830000-0x0000000000D79000-memory.dmp themida behavioral1/memory/516-75-0x0000000000830000-0x0000000000D79000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorta.job 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2988 wrote to memory of 2580 2988 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe 85 PID 2988 wrote to memory of 2580 2988 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe 85 PID 2988 wrote to memory of 2580 2988 855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe"C:\Users\Admin\AppData\Local\Temp\855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2580
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C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exeC:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2664
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C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exeC:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2140
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C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exeC:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:516
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD558efcbdd47d43c6b3fa9e72bed855c91
SHA15cb1ec5c25b87a74f1b15e32a967e1302ac99dd2
SHA256855b034a35e4ddc35bf081f63e499e6f89597934c1139e49b6ac43e53fc8d213
SHA5129cbdff69cf0b6a469a16a79a56661b9d1f6d2f8c07c900f1c9e5f8a2e7cb9f651e5c0b084d4ba71de5af2f95dc815d93a29dc848cf313dd95b5ce2cabfd7c52b