Analysis
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max time kernel
144s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2023 12:36
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:
DpEditor.exeethrog.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 ethrog.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ethrog.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation b368ffcb6e9405d115f30bf7742b5e61.exe -
Executes dropped EXE 2 IoCs
Processes:
ethrog.exeDpEditor.exepid process 3256 ethrog.exe 3592 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\7CBC5073D8472552\ethrog.exe themida C:\Users\Admin\AppData\Roaming\7CBC5073D8472552\ethrog.exe themida behavioral2/memory/3256-240-0x0000000000160000-0x0000000000844000-memory.dmp themida behavioral2/memory/3256-239-0x0000000000160000-0x0000000000844000-memory.dmp themida behavioral2/memory/3256-241-0x0000000000160000-0x0000000000844000-memory.dmp themida behavioral2/memory/3256-242-0x0000000000160000-0x0000000000844000-memory.dmp themida behavioral2/memory/3256-243-0x0000000000160000-0x0000000000844000-memory.dmp themida behavioral2/memory/3256-244-0x0000000000160000-0x0000000000844000-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/3256-248-0x0000000000160000-0x0000000000844000-memory.dmp themida behavioral2/memory/3592-251-0x0000000000AD0000-0x00000000011B4000-memory.dmp themida behavioral2/memory/3592-252-0x0000000000AD0000-0x00000000011B4000-memory.dmp themida behavioral2/memory/3592-250-0x0000000000AD0000-0x00000000011B4000-memory.dmp themida behavioral2/memory/3592-253-0x0000000000AD0000-0x00000000011B4000-memory.dmp themida behavioral2/memory/3592-254-0x0000000000AD0000-0x00000000011B4000-memory.dmp themida behavioral2/memory/3592-255-0x0000000000AD0000-0x00000000011B4000-memory.dmp themida behavioral2/memory/3592-256-0x0000000000AD0000-0x00000000011B4000-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 3256 ethrog.exe 3592 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exedescription pid process target process PID 1064 set thread context of 2016 1064 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 2652 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 3592 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exeethrog.exeDpEditor.exepid process 2016 b368ffcb6e9405d115f30bf7742b5e61.exe 2016 b368ffcb6e9405d115f30bf7742b5e61.exe 3256 ethrog.exe 3256 ethrog.exe 3592 DpEditor.exe 3592 DpEditor.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exeb368ffcb6e9405d115f30bf7742b5e61.execmd.execmd.exeethrog.exedescription pid process target process PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1064 wrote to memory of 2016 1064 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 2016 wrote to memory of 4556 2016 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 2016 wrote to memory of 4556 2016 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 2016 wrote to memory of 4556 2016 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 2016 wrote to memory of 972 2016 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 2016 wrote to memory of 972 2016 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 2016 wrote to memory of 972 2016 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 4556 wrote to memory of 3256 4556 cmd.exe ethrog.exe PID 4556 wrote to memory of 3256 4556 cmd.exe ethrog.exe PID 4556 wrote to memory of 3256 4556 cmd.exe ethrog.exe PID 972 wrote to memory of 2652 972 cmd.exe timeout.exe PID 972 wrote to memory of 2652 972 cmd.exe timeout.exe PID 972 wrote to memory of 2652 972 cmd.exe timeout.exe PID 3256 wrote to memory of 3592 3256 ethrog.exe DpEditor.exe PID 3256 wrote to memory of 3592 3256 ethrog.exe DpEditor.exe PID 3256 wrote to memory of 3592 3256 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⤵
- 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\7CBC5073D8472552\ethrog.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\7CBC5073D8472552\ethrog.exeC:\Users\Admin\AppData\Roaming\7CBC5073D8472552\ethrog.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\b368ffcb6e9405d115f30bf7742b5e61.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\8298.tmpFilesize
32B
MD530b13d77deed1641dd87896b3fa0afd9
SHA1466d549e6855c627e2901601e87b05bbc0f2c8fa
SHA2561c359e1bda712f001a46a9044a202219838ee31cd29cc7551090a2db0913399a
SHA512bfe239b285f044b3a01c938deb809bdd65ed3adb572c4ff909c25bcf5e036a6453ee1595b0d7b7c89334391e7128358e9d187f90e39c7dafbd58ccd928d7098e
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C:\Users\Admin\AppData\Local\Temp\84B0.tmpFilesize
71KB
MD5fb2e05653c3115d89013daa5132f08e0
SHA18ad3d1f4c1652c1e173d3201faf9fdd22b229351
SHA256895ce9cfa9bd4ce960723e7adf0aba7eefff4c8cd5e46cad13cb791a39665077
SHA512ca9b7fac566026fa87872d3fdfa32a5a571613b8d9cd4364e1b05d0682d52844c9d1a28c292d6d129d506a627a6cef2a0e6329f8c2ab28cd4388789f48399238
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C:\Users\Admin\AppData\Local\Temp\8CCA.tmpFilesize
2KB
MD51d65ace99a200cf0ac042936baf39f68
SHA1acd9cd136a2b583c7d89dcbeffad15316921b145
SHA25659f9c188335405db46c008bcd919293d3ea2e549db72d9f0f83ef34195809bc6
SHA512bfc0c01bdca82c7d5ff2210d59049a65930500eaf40b26c2aa6d6149b971b5db63edc12ee5a0ee0ccd8a33bcfcb1063eb1bcf1bbc63788976baee47224bdf486
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C:\Users\Admin\AppData\Roaming\7CBC5073D8472552\ethrog.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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C:\Users\Admin\AppData\Roaming\7CBC5073D8472552\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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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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memory/2016-133-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/2016-134-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/2016-135-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/2016-136-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/2016-234-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/3256-241-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3256-242-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3256-243-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3256-244-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3256-239-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3256-240-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3256-248-0x0000000000160000-0x0000000000844000-memory.dmpFilesize
6.9MB
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memory/3592-251-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB
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memory/3592-252-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB
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memory/3592-250-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB
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memory/3592-253-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB
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memory/3592-254-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB
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memory/3592-255-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB
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memory/3592-256-0x0000000000AD0000-0x00000000011B4000-memory.dmpFilesize
6.9MB