Analysis
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max time kernel
143s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2023 04:11
Static task
static1
Behavioral task
behavioral1
Sample
01fa8fae5458ea9957a3bb12dcbd11e4.exe
Resource
win7-20230220-en
General
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Target
01fa8fae5458ea9957a3bb12dcbd11e4.exe
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Size
795KB
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MD5
01fa8fae5458ea9957a3bb12dcbd11e4
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SHA1
5bcbe5b6a5b2b68ae4161514e74b47166d7a1c2b
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SHA256
daf7181b5562f37fcbcbb6a56b9d24f8ab7e13671f005b4827dae547e875c146
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SHA512
b112f312accb42499421adf78662dc03d1a7de6f961ff0f884586cfec4a791db968d355925fc25ab8bb4fea748ada5e8f4b5d2d5c2852a86ec1f6eb93a6a2730
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SSDEEP
24576:cDk1HdvLQ7bpaCIOfCgyx5sNWwwY+eP7H:cOOYayzPwVL
Malware Config
Extracted
cryptbot
http://ernjxs12.top/gate.php
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payload_url
http://ovaxlo01.top/chavez.dat
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
chavez.exeDpEditor.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ chavez.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ DpEditor.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
chavez.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion chavez.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion chavez.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 01fa8fae5458ea9957a3bb12dcbd11e4.exe -
Executes dropped EXE 2 IoCs
Processes:
chavez.exeDpEditor.exepid process 4860 chavez.exe 1796 DpEditor.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exe themida C:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exe themida behavioral2/memory/4860-245-0x0000000000D90000-0x0000000001480000-memory.dmp themida behavioral2/memory/4860-246-0x0000000000D90000-0x0000000001480000-memory.dmp themida behavioral2/memory/4860-247-0x0000000000D90000-0x0000000001480000-memory.dmp themida behavioral2/memory/4860-248-0x0000000000D90000-0x0000000001480000-memory.dmp themida behavioral2/memory/4860-249-0x0000000000D90000-0x0000000001480000-memory.dmp themida behavioral2/memory/4860-250-0x0000000000D90000-0x0000000001480000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral2/memory/4860-255-0x0000000000D90000-0x0000000001480000-memory.dmp themida behavioral2/memory/1796-256-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-257-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-258-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-260-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-259-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-261-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-262-0x0000000000600000-0x0000000000CF0000-memory.dmp themida behavioral2/memory/1796-263-0x0000000000600000-0x0000000000CF0000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
chavez.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA chavez.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DpEditor.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum 01fa8fae5458ea9957a3bb12dcbd11e4.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 01fa8fae5458ea9957a3bb12dcbd11e4.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
chavez.exeDpEditor.exepid process 4860 chavez.exe 1796 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exedescription pid process target process PID 2036 set thread context of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 01fa8fae5458ea9957a3bb12dcbd11e4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 01fa8fae5458ea9957a3bb12dcbd11e4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 01fa8fae5458ea9957a3bb12dcbd11e4.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1404 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1796 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exechavez.exeDpEditor.exepid process 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe 4860 chavez.exe 4860 chavez.exe 1796 DpEditor.exe 1796 DpEditor.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exe01fa8fae5458ea9957a3bb12dcbd11e4.execmd.execmd.exechavez.exedescription pid process target process PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 2036 wrote to memory of 1248 2036 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1248 wrote to memory of 4288 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1248 wrote to memory of 4288 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1248 wrote to memory of 4288 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1248 wrote to memory of 3720 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1248 wrote to memory of 3720 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1248 wrote to memory of 3720 1248 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 3720 wrote to memory of 1404 3720 cmd.exe timeout.exe PID 3720 wrote to memory of 1404 3720 cmd.exe timeout.exe PID 3720 wrote to memory of 1404 3720 cmd.exe timeout.exe PID 4288 wrote to memory of 4860 4288 cmd.exe chavez.exe PID 4288 wrote to memory of 4860 4288 cmd.exe chavez.exe PID 4288 wrote to memory of 4860 4288 cmd.exe chavez.exe PID 4860 wrote to memory of 1796 4860 chavez.exe DpEditor.exe PID 4860 wrote to memory of 1796 4860 chavez.exe DpEditor.exe PID 4860 wrote to memory of 1796 4860 chavez.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\01fa8fae5458ea9957a3bb12dcbd11e4.exe"C:\Users\Admin\AppData\Local\Temp\01fa8fae5458ea9957a3bb12dcbd11e4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\01fa8fae5458ea9957a3bb12dcbd11e4.exe"C:\Users\Admin\AppData\Local\Temp\01fa8fae5458ea9957a3bb12dcbd11e4.exe"2⤵
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exeC:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exe4⤵
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"5⤵
- 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
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\01fa8fae5458ea9957a3bb12dcbd11e4.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout -t 54⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7356.tmpFilesize
32B
MD56bb6e374b5dbd021622648b4d4e9afc7
SHA1df356bb84780e332c960769d552f67d1f5221cce
SHA2566546a2ec37419190b5f256f2c09efd90f8dd11fe98e5ae4521f8e07ecd64a2aa
SHA51242b05356304dbbf2dd1ba7c7bc8dd2fcfc908d80fcd7c25771a3722ac946fd04575591d530e802799f8c17d9622db361f76b69c3985fd1ee63fce38777938644
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C:\Users\Admin\AppData\Local\Temp\754E.tmpFilesize
71KB
MD592d24961d2ebaacf1ace5463dfc9930d
SHA199ffaf6904ab616c33a37ce01d383e4a493df335
SHA2569013688dec264c615178e151c2eb5f0b2eb9fe8cfad867b311d8581d921c73f3
SHA51277598c77f219ab5234b8b84bcfe873f40e7464b224fac3c8568b300d3f2563f7ef5ad9ec5cccc0d719e7d3e489a164b04b6b36316196afea0b8051de3c751cc7
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C:\Users\Admin\AppData\Local\Temp\7C9D.tmpFilesize
2KB
MD5dce9b749d38fdc247ab517e8a76e6102
SHA1d6c5b6548e1a3da3326bd097c50c49fc7906be3f
SHA2565087b8c7f2cecceac61d7bd02b939888cf2cc5a452676f28fd5c076eb1ae7ea7
SHA51256c276f0a070da656c98520aa720994d78f1bf0bbb085a5f6fb4fd18fed2bbba1eb8e97b54d58eaa9a978d21d64678170f49c020feb19d8545d158a2d8d58446
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C:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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C:\Users\Admin\AppData\Roaming\2F433E85972F43FD\chavez.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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memory/1248-133-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1248-134-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1248-135-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1248-136-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1248-240-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1796-263-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-261-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-259-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-260-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-262-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-257-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-258-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/1796-256-0x0000000000600000-0x0000000000CF0000-memory.dmpFilesize
6.9MB
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memory/4860-247-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB
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memory/4860-255-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB
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memory/4860-250-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB
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memory/4860-249-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB
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memory/4860-248-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB
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memory/4860-246-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB
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memory/4860-245-0x0000000000D90000-0x0000000001480000-memory.dmpFilesize
6.9MB