Analysis
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max time kernel
143s -
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
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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2024 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
chavez.exeDpEditor.exepid process 2000 chavez.exe 1708 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.exechavez.exepid process 1912 cmd.exe 2000 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 C:\Users\Admin\AppData\Roaming\C7623F2CE16453EE\chavez.exe themida C:\Users\Admin\AppData\Roaming\C7623F2CE16453EE\chavez.exe themida \Users\Admin\AppData\Roaming\C7623F2CE16453EE\chavez.exe themida behavioral1/memory/2000-145-0x0000000000E40000-0x0000000001530000-memory.dmp themida behavioral1/memory/2000-146-0x0000000000E40000-0x0000000001530000-memory.dmp themida behavioral1/memory/2000-147-0x0000000000E40000-0x0000000001530000-memory.dmp themida behavioral1/memory/2000-148-0x0000000000E40000-0x0000000001530000-memory.dmp themida behavioral1/memory/2000-150-0x0000000000E40000-0x0000000001530000-memory.dmp themida behavioral1/memory/2000-151-0x0000000000E40000-0x0000000001530000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/2000-157-0x0000000000E40000-0x0000000001530000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1708-158-0x0000000001390000-0x0000000001A80000-memory.dmp themida behavioral1/memory/1708-159-0x0000000001390000-0x0000000001A80000-memory.dmp themida behavioral1/memory/1708-160-0x0000000001390000-0x0000000001A80000-memory.dmp themida behavioral1/memory/1708-162-0x0000000001390000-0x0000000001A80000-memory.dmp themida behavioral1/memory/1708-163-0x0000000001390000-0x0000000001A80000-memory.dmp themida behavioral1/memory/1708-164-0x0000000001390000-0x0000000001A80000-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 2000 chavez.exe 1708 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription pid process target process PID 1968 set thread context of 1984 1968 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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 c7cdd3263f66f1399fb8334e6e3a5c87.exe 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 -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 284 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1708 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exechavez.exeDpEditor.exepid process 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe 2000 chavez.exe 1708 DpEditor.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exec7cdd3263f66f1399fb8334e6e3a5c87.execmd.execmd.exechavez.exedescription pid process target process PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1968 wrote to memory of 1984 1968 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 1984 wrote to memory of 1912 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 1912 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 1912 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 1912 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 2024 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 2024 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 2024 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 1984 wrote to memory of 2024 1984 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 2024 wrote to memory of 284 2024 cmd.exe timeout.exe PID 2024 wrote to memory of 284 2024 cmd.exe timeout.exe PID 2024 wrote to memory of 284 2024 cmd.exe timeout.exe PID 2024 wrote to memory of 284 2024 cmd.exe timeout.exe PID 1912 wrote to memory of 2000 1912 cmd.exe chavez.exe PID 1912 wrote to memory of 2000 1912 cmd.exe chavez.exe PID 1912 wrote to memory of 2000 1912 cmd.exe chavez.exe PID 1912 wrote to memory of 2000 1912 cmd.exe chavez.exe PID 2000 wrote to memory of 1708 2000 chavez.exe DpEditor.exe PID 2000 wrote to memory of 1708 2000 chavez.exe DpEditor.exe PID 2000 wrote to memory of 1708 2000 chavez.exe DpEditor.exe PID 2000 wrote to memory of 1708 2000 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\C7623F2CE16453EE\chavez.exe3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\C7623F2CE16453EE\chavez.exeC:\Users\Admin\AppData\Roaming\C7623F2CE16453EE\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\1C7D.tmpFilesize
32B
MD548255136fc205998b4ebbe6f72b5cdd0
SHA1c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1
SHA25600523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c
SHA512c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de
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C:\Users\Admin\AppData\Local\Temp\1D2D.tmpFilesize
71KB
MD56082dd13ad8102d17f9db9cd07600e97
SHA139becc88cea914d843b3c5521038907f2f2f4e71
SHA25640a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a
SHA512b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e
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C:\Users\Admin\AppData\Roaming\C7623F2CE16453EE\chavez.exeFilesize
2.7MB
MD5b20856ec703ece334bf18db476027bdb
SHA1c9429cd83bb8c6bc74cc6644f1d16c33a69b6775
SHA256e5bc9be853ca473ae7deb7619052c2ff8ff55526dd046f5e2c5c92d44625aaaa
SHA512073c3442972215724581b5c92b4e784a0273366a72a8100b33c8d32d5a22513022e8db6ebf3ca6f970c6541e5450ba3ab810562f283d11e186a3e899fc50e149
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C:\Users\Admin\AppData\Roaming\C7623F2CE16453EE\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\C7623F2CE16453EE\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/1708-164-0x0000000001390000-0x0000000001A80000-memory.dmpFilesize
6.9MB
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memory/1708-158-0x0000000001390000-0x0000000001A80000-memory.dmpFilesize
6.9MB
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memory/1708-159-0x0000000001390000-0x0000000001A80000-memory.dmpFilesize
6.9MB
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memory/1708-160-0x0000000001390000-0x0000000001A80000-memory.dmpFilesize
6.9MB
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memory/1708-162-0x0000000001390000-0x0000000001A80000-memory.dmpFilesize
6.9MB
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memory/1708-163-0x0000000001390000-0x0000000001A80000-memory.dmpFilesize
6.9MB
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memory/1912-149-0x00000000021B0000-0x00000000028A0000-memory.dmpFilesize
6.9MB
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memory/1984-57-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-55-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-56-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-58-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-140-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1984-59-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-93-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-60-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-64-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-54-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1984-62-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/2000-147-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB
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memory/2000-157-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB
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memory/2000-151-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB
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memory/2000-150-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB
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memory/2000-148-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB
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memory/2000-146-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB
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memory/2000-145-0x0000000000E40000-0x0000000001530000-memory.dmpFilesize
6.9MB