Analysis
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max time kernel
149s -
max time network
38s -
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
c7cdd3263f66f1399fb8334e6e3a5c87.exe
Resource
win7-20230220-en
General
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Target
c7cdd3263f66f1399fb8334e6e3a5c87.exe
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Size
795KB
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MD5
c7cdd3263f66f1399fb8334e6e3a5c87
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SHA1
d82dbd4489672989f56c662bd39ef89cf4a4a1e7
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SHA256
842902a229af05a242d1c6a8db6ff66bd624a3326aa75c1600c13711eb029eb9
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SHA512
a435d277a7b6d6504c3be2e25644156723a7a3c34627a7298e825b5eb1d9fbf48ca31da7601e83cf9a6dfa977eb20d5af5b3f62fdaf3325e4242f3d7876e5d42
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SSDEEP
24576:gdoZ5Z9saIUk00C2ZHTjn080WgKy3SLUJFLH:gdoZ5ZYUk0K/080133qg7
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:
DpEditor.exechavez.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion chavez.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion chavez.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1616 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
chavez.exeDpEditor.exepid process 2044 chavez.exe 1148 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.exechavez.exepid process 1452 cmd.exe 2044 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\7AFC423B6DA11FBD\chavez.exe themida C:\Users\Admin\AppData\Roaming\7AFC423B6DA11FBD\chavez.exe themida C:\Users\Admin\AppData\Roaming\7AFC423B6DA11FBD\chavez.exe themida behavioral1/memory/2044-145-0x0000000000920000-0x0000000001010000-memory.dmp themida behavioral1/memory/2044-146-0x0000000000920000-0x0000000001010000-memory.dmp themida behavioral1/memory/2044-148-0x0000000000920000-0x0000000001010000-memory.dmp themida behavioral1/memory/2044-149-0x0000000000920000-0x0000000001010000-memory.dmp themida behavioral1/memory/2044-150-0x0000000000920000-0x0000000001010000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/2044-155-0x0000000000920000-0x0000000001010000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1148-157-0x00000000010F0000-0x00000000017E0000-memory.dmp themida behavioral1/memory/1148-158-0x00000000010F0000-0x00000000017E0000-memory.dmp themida behavioral1/memory/1148-159-0x00000000010F0000-0x00000000017E0000-memory.dmp themida behavioral1/memory/1148-161-0x00000000010F0000-0x00000000017E0000-memory.dmp themida behavioral1/memory/1148-160-0x00000000010F0000-0x00000000017E0000-memory.dmp themida behavioral1/memory/1148-162-0x00000000010F0000-0x00000000017E0000-memory.dmp themida behavioral1/memory/1148-163-0x00000000010F0000-0x00000000017E0000-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:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum c7cdd3263f66f1399fb8334e6e3a5c87.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 c7cdd3263f66f1399fb8334e6e3a5c87.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
chavez.exeDpEditor.exepid process 2044 chavez.exe 1148 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription pid process target process PID 1408 set thread context of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.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:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString c7cdd3263f66f1399fb8334e6e3a5c87.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz c7cdd3263f66f1399fb8334e6e3a5c87.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 c7cdd3263f66f1399fb8334e6e3a5c87.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 920 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1148 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exechavez.exeDpEditor.exepid process 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe 2044 chavez.exe 1148 DpEditor.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exec7cdd3263f66f1399fb8334e6e3a5c87.execmd.execmd.exechavez.exedescription pid process target process PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1408 wrote to memory of 924 1408 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 924 wrote to memory of 1452 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1452 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1452 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1452 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1616 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1616 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1616 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 924 wrote to memory of 1616 924 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1616 wrote to memory of 920 1616 cmd.exe timeout.exe PID 1616 wrote to memory of 920 1616 cmd.exe timeout.exe PID 1616 wrote to memory of 920 1616 cmd.exe timeout.exe PID 1616 wrote to memory of 920 1616 cmd.exe timeout.exe PID 1452 wrote to memory of 2044 1452 cmd.exe chavez.exe PID 1452 wrote to memory of 2044 1452 cmd.exe chavez.exe PID 1452 wrote to memory of 2044 1452 cmd.exe chavez.exe PID 1452 wrote to memory of 2044 1452 cmd.exe chavez.exe PID 2044 wrote to memory of 1148 2044 chavez.exe DpEditor.exe PID 2044 wrote to memory of 1148 2044 chavez.exe DpEditor.exe PID 2044 wrote to memory of 1148 2044 chavez.exe DpEditor.exe PID 2044 wrote to memory of 1148 2044 chavez.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.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\7AFC423B6DA11FBD\chavez.exe3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\7AFC423B6DA11FBD\chavez.exeC:\Users\Admin\AppData\Roaming\7AFC423B6DA11FBD\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\c7cdd3263f66f1399fb8334e6e3a5c87.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\7B5.tmpFilesize
32B
MD5024da3236c7646cb37b37e138501da95
SHA1d0b2c44720c8069e7b2af5d80071cfc093fc8706
SHA256533978fcceeeda6fae9686b55420d6b665aca67d77d00b81d09dff959ef715f3
SHA512999bff9518efa3b4cc27d276fd81011ad35e3af884025da447de81985e389553c7b5fcba9f6cd38d09b3f180945c87579a3b8d5240a16acfc9df4c24ffede6c4
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C:\Users\Admin\AppData\Local\Temp\865.tmpFilesize
71KB
MD52beb695add0546f6a18496aae58b2558
SHA11fd818202a94825c56ad7a7793bea87c6f02960e
SHA256132cb7037ada7d8563c5b8cf64796ed22b0fbc1ccefbbbf5faa3c18545b289ed
SHA512e80fa42ab27afa16e0f6f72639077be7da3e73f7c7b4cecbe0d24637ee76334de77a2b61e7c3afab4e3750e53a93baa68d3cdb9c1eb55fb9a5d580cff94f21f2
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C:\Users\Admin\AppData\Roaming\7AFC423B6DA11FBD\chavez.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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C:\Users\Admin\AppData\Roaming\7AFC423B6DA11FBD\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\7AFC423B6DA11FBD\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/924-56-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-54-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-64-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-60-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-85-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-59-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-136-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-58-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-55-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-62-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-140-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-57-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/924-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1148-162-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1148-160-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1148-161-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1148-159-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1148-163-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1148-158-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1148-157-0x00000000010F0000-0x00000000017E0000-memory.dmpFilesize
6.9MB
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memory/1452-147-0x0000000001FF0000-0x00000000026E0000-memory.dmpFilesize
6.9MB
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memory/2044-155-0x0000000000920000-0x0000000001010000-memory.dmpFilesize
6.9MB
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memory/2044-150-0x0000000000920000-0x0000000001010000-memory.dmpFilesize
6.9MB
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memory/2044-149-0x0000000000920000-0x0000000001010000-memory.dmpFilesize
6.9MB
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memory/2044-148-0x0000000000920000-0x0000000001010000-memory.dmpFilesize
6.9MB
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memory/2044-146-0x0000000000920000-0x0000000001010000-memory.dmpFilesize
6.9MB
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memory/2044-145-0x0000000000920000-0x0000000001010000-memory.dmpFilesize
6.9MB