Analysis
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max time kernel
42s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 12:51
Behavioral task
behavioral1
Sample
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
Resource
win7-20220718-en
General
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Target
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
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Size
5.9MB
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MD5
3beb0d24e3206c726b6c20f46cef688e
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SHA1
f4dd0f8972f1ab1d9703bc6257480c5b6d0b62f8
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SHA256
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4
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SHA512
5a43e7a2c628c5e3973120b64ebe0f18dee6b20ae2c9ac910787bee34babbd95ae39d7180e9b6a6e746d2f24552790bd7022ddf652c0d59d94b720ba1f92e5cd
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe -
Loads dropped DLL 2 IoCs
Processes:
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exepid process 740 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe 740 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe -
Processes:
resource yara_rule behavioral1/memory/740-55-0x0000000000400000-0x0000000000A46000-memory.dmp themida behavioral1/memory/740-57-0x0000000000400000-0x0000000000A46000-memory.dmp themida behavioral1/memory/740-60-0x0000000000400000-0x0000000000A46000-memory.dmp themida behavioral1/memory/740-61-0x0000000000400000-0x0000000000A46000-memory.dmp themida -
Processes:
4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
Processes
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C:\Users\Admin\AppData\Local\Temp\4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe"C:\Users\Admin\AppData\Local\Temp\4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsy4127.tmp\INetC.dllFilesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
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\Users\Admin\AppData\Local\Temp\nsy4127.tmp\xml.dllFilesize
1.4MB
MD585f405dab2caaa99397a41815bc06548
SHA18550988ea5e2587cb372e604e9223e99a72b1920
SHA2562f2dfa16a8d97beb6d97afdc442f055848d5532313e561ae7870287082eb2957
SHA512dbc2436e49a6a8ffc5d8c16d5c9182c6e4a81c7da63be95615781344819cafebbfab423c7b25905792e05996dcc1dbc7ccf155daa33b353b41894d8428dcafde
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memory/740-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmpFilesize
8KB
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memory/740-55-0x0000000000400000-0x0000000000A46000-memory.dmpFilesize
6.3MB
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memory/740-57-0x0000000000400000-0x0000000000A46000-memory.dmpFilesize
6.3MB
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memory/740-60-0x0000000000400000-0x0000000000A46000-memory.dmpFilesize
6.3MB
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memory/740-61-0x0000000000400000-0x0000000000A46000-memory.dmpFilesize
6.3MB