Analysis
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max time kernel
150s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15-03-2023 12:35
Static task
static1
Behavioral task
behavioral1
Sample
b368ffcb6e9405d115f30bf7742b5e61.exe
Resource
win7-20230220-en
General
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Target
b368ffcb6e9405d115f30bf7742b5e61.exe
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Size
791KB
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MD5
b368ffcb6e9405d115f30bf7742b5e61
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SHA1
349f9aa31450f5dc605d9d087deafe98d451fb9a
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SHA256
6f27311fdb767f86e996137271d5765b85f24d535f2c3c9641e87ee64e463791
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SHA512
efbc8573b213b9d17c781e0c438779e1881d13f2be273d5fb1a4222ab06acd75caf869c1e3d59a88fe9631abe8d80266957e812c2e43bfe94a8092ec92caf5c6
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SSDEEP
24576:7yffjBKLiM593mxxx0GE/swVweh2lT8DH:2vMGrED2loT
Malware Config
Extracted
cryptbot
http://ernblt32.top/gate.php
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payload_url
http:
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
ethrog.exeDpEditor.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ethrog.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:
ethrog.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ethrog.exe 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 ethrog.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1612 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
ethrog.exeDpEditor.exepid process 1156 ethrog.exe 1608 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.exeethrog.exepid process 1336 cmd.exe 1156 ethrog.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\C7623F2C8A31DD65\ethrog.exe themida C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe themida \Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe themida behavioral1/memory/1156-145-0x0000000000F50000-0x0000000001634000-memory.dmp themida behavioral1/memory/1156-146-0x0000000000F50000-0x0000000001634000-memory.dmp themida behavioral1/memory/1156-148-0x0000000000F50000-0x0000000001634000-memory.dmp themida behavioral1/memory/1156-149-0x0000000000F50000-0x0000000001634000-memory.dmp themida behavioral1/memory/1156-150-0x0000000000F50000-0x0000000001634000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1156-155-0x0000000000F50000-0x0000000001634000-memory.dmp themida behavioral1/memory/1608-157-0x0000000000380000-0x0000000000A64000-memory.dmp themida behavioral1/memory/1608-158-0x0000000000380000-0x0000000000A64000-memory.dmp themida behavioral1/memory/1608-160-0x0000000000380000-0x0000000000A64000-memory.dmp themida behavioral1/memory/1608-159-0x0000000000380000-0x0000000000A64000-memory.dmp themida behavioral1/memory/1608-161-0x0000000000380000-0x0000000000A64000-memory.dmp themida behavioral1/memory/1608-162-0x0000000000380000-0x0000000000A64000-memory.dmp themida behavioral1/memory/1608-163-0x0000000000380000-0x0000000000A64000-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:
ethrog.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ethrog.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:
b368ffcb6e9405d115f30bf7742b5e61.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum b368ffcb6e9405d115f30bf7742b5e61.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 b368ffcb6e9405d115f30bf7742b5e61.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
ethrog.exeDpEditor.exepid process 1156 ethrog.exe 1608 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exedescription pid process target process PID 1716 set thread context of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.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:
b368ffcb6e9405d115f30bf7742b5e61.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b368ffcb6e9405d115f30bf7742b5e61.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz b368ffcb6e9405d115f30bf7742b5e61.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 b368ffcb6e9405d115f30bf7742b5e61.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1632 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1608 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exeethrog.exeDpEditor.exepid process 1108 b368ffcb6e9405d115f30bf7742b5e61.exe 1156 ethrog.exe 1608 DpEditor.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exeb368ffcb6e9405d115f30bf7742b5e61.execmd.execmd.exeethrog.exedescription pid process target process PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1716 wrote to memory of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1108 wrote to memory of 1336 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1336 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1336 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1336 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1612 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1612 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1612 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1108 wrote to memory of 1612 1108 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1612 wrote to memory of 1632 1612 cmd.exe timeout.exe PID 1612 wrote to memory of 1632 1612 cmd.exe timeout.exe PID 1612 wrote to memory of 1632 1612 cmd.exe timeout.exe PID 1612 wrote to memory of 1632 1612 cmd.exe timeout.exe PID 1336 wrote to memory of 1156 1336 cmd.exe ethrog.exe PID 1336 wrote to memory of 1156 1336 cmd.exe ethrog.exe PID 1336 wrote to memory of 1156 1336 cmd.exe ethrog.exe PID 1336 wrote to memory of 1156 1336 cmd.exe ethrog.exe PID 1156 wrote to memory of 1608 1156 ethrog.exe DpEditor.exe PID 1156 wrote to memory of 1608 1156 ethrog.exe DpEditor.exe PID 1156 wrote to memory of 1608 1156 ethrog.exe DpEditor.exe PID 1156 wrote to memory of 1608 1156 ethrog.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe"C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe"C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.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\C7623F2C8A31DD65\ethrog.exe3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exeC:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.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\b368ffcb6e9405d115f30bf7742b5e61.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\218C.tmpFilesize
32B
MD548255136fc205998b4ebbe6f72b5cdd0
SHA1c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1
SHA25600523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c
SHA512c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de
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C:\Users\Admin\AppData\Local\Temp\226A.tmpFilesize
71KB
MD56082dd13ad8102d17f9db9cd07600e97
SHA139becc88cea914d843b3c5521038907f2f2f4e71
SHA25640a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a
SHA512b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e
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C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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memory/1108-55-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-64-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-59-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-60-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1108-57-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-140-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-58-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-56-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-54-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-65-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1108-62-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1156-148-0x0000000000F50000-0x0000000001634000-memory.dmpFilesize
6.9MB
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memory/1156-145-0x0000000000F50000-0x0000000001634000-memory.dmpFilesize
6.9MB
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memory/1156-150-0x0000000000F50000-0x0000000001634000-memory.dmpFilesize
6.9MB
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memory/1156-149-0x0000000000F50000-0x0000000001634000-memory.dmpFilesize
6.9MB
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memory/1156-146-0x0000000000F50000-0x0000000001634000-memory.dmpFilesize
6.9MB
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memory/1156-155-0x0000000000F50000-0x0000000001634000-memory.dmpFilesize
6.9MB
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memory/1336-147-0x00000000020F0000-0x00000000027D4000-memory.dmpFilesize
6.9MB
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memory/1608-157-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB
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memory/1608-158-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB
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memory/1608-160-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB
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memory/1608-159-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB
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memory/1608-161-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB
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memory/1608-162-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB
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memory/1608-163-0x0000000000380000-0x0000000000A64000-memory.dmpFilesize
6.9MB