Analysis
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max time kernel
144s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1208 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
chavez.exeDpEditor.exepid process 2008 chavez.exe 1168 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.exechavez.exepid process 812 cmd.exe 2008 chavez.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 \Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exe themida C:\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exe themida C:\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exe themida behavioral1/memory/2008-142-0x0000000000990000-0x0000000001080000-memory.dmp themida behavioral1/memory/2008-143-0x0000000000990000-0x0000000001080000-memory.dmp themida behavioral1/memory/2008-144-0x0000000000990000-0x0000000001080000-memory.dmp themida behavioral1/memory/2008-145-0x0000000000990000-0x0000000001080000-memory.dmp themida behavioral1/memory/2008-147-0x0000000000990000-0x0000000001080000-memory.dmp themida behavioral1/memory/2008-148-0x0000000000990000-0x0000000001080000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/2008-153-0x0000000000990000-0x0000000001080000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1168-155-0x00000000000E0000-0x00000000007D0000-memory.dmp themida behavioral1/memory/1168-156-0x00000000000E0000-0x00000000007D0000-memory.dmp themida behavioral1/memory/1168-157-0x00000000000E0000-0x00000000007D0000-memory.dmp themida behavioral1/memory/1168-158-0x00000000000E0000-0x00000000007D0000-memory.dmp themida behavioral1/memory/1168-159-0x00000000000E0000-0x00000000007D0000-memory.dmp themida behavioral1/memory/1168-160-0x00000000000E0000-0x00000000007D0000-memory.dmp themida behavioral1/memory/1168-161-0x00000000000E0000-0x00000000007D0000-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 2008 chavez.exe 1168 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exedescription pid process target process PID 1320 set thread context of 1484 1320 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 1604 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1168 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exechavez.exeDpEditor.exepid process 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe 2008 chavez.exe 1168 DpEditor.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
01fa8fae5458ea9957a3bb12dcbd11e4.exe01fa8fae5458ea9957a3bb12dcbd11e4.execmd.execmd.exechavez.exedescription pid process target process PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1320 wrote to memory of 1484 1320 01fa8fae5458ea9957a3bb12dcbd11e4.exe 01fa8fae5458ea9957a3bb12dcbd11e4.exe PID 1484 wrote to memory of 812 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 812 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 812 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 812 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 1208 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 1208 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 1208 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 1484 wrote to memory of 1208 1484 01fa8fae5458ea9957a3bb12dcbd11e4.exe cmd.exe PID 812 wrote to memory of 2008 812 cmd.exe chavez.exe PID 812 wrote to memory of 2008 812 cmd.exe chavez.exe PID 812 wrote to memory of 2008 812 cmd.exe chavez.exe PID 812 wrote to memory of 2008 812 cmd.exe chavez.exe PID 1208 wrote to memory of 1604 1208 cmd.exe timeout.exe PID 1208 wrote to memory of 1604 1208 cmd.exe timeout.exe PID 1208 wrote to memory of 1604 1208 cmd.exe timeout.exe PID 1208 wrote to memory of 1604 1208 cmd.exe timeout.exe PID 2008 wrote to memory of 1168 2008 chavez.exe DpEditor.exe PID 2008 wrote to memory of 1168 2008 chavez.exe DpEditor.exe PID 2008 wrote to memory of 1168 2008 chavez.exe DpEditor.exe PID 2008 wrote to memory of 1168 2008 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⤵
- 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\C7623F2C40B0A4B3\chavez.exe3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exeC:\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exe4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- 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⤵
- Deletes itself
- 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\A44.tmpFilesize
32B
MD548255136fc205998b4ebbe6f72b5cdd0
SHA1c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1
SHA25600523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c
SHA512c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de
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C:\Users\Admin\AppData\Local\Temp\B04.tmpFilesize
71KB
MD56082dd13ad8102d17f9db9cd07600e97
SHA139becc88cea914d843b3c5521038907f2f2f4e71
SHA25640a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a
SHA512b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e
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C:\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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C:\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\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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\Users\Admin\AppData\Roaming\C7623F2C40B0A4B3\chavez.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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memory/812-146-0x0000000002030000-0x0000000002720000-memory.dmpFilesize
6.9MB
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memory/1168-158-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1168-160-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1168-161-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1168-156-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1168-157-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1168-155-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1168-159-0x00000000000E0000-0x00000000007D0000-memory.dmpFilesize
6.9MB
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memory/1484-55-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-60-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-64-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1484-57-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-58-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-62-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-137-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-59-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-54-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-94-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1484-56-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/2008-144-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB
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memory/2008-153-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB
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memory/2008-148-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB
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memory/2008-147-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB
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memory/2008-145-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB
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memory/2008-143-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB
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memory/2008-142-0x0000000000990000-0x0000000001080000-memory.dmpFilesize
6.9MB