Analysis
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max time kernel
148s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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:
ethrog.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ethrog.exe 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 -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1152 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
ethrog.exeDpEditor.exepid process 324 ethrog.exe 1620 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.exeethrog.exepid process 924 cmd.exe 324 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 \Users\Admin\AppData\Roaming\886A1A2FE18A634A\ethrog.exe themida C:\Users\Admin\AppData\Roaming\886A1A2FE18A634A\ethrog.exe themida C:\Users\Admin\AppData\Roaming\886A1A2FE18A634A\ethrog.exe themida behavioral1/memory/324-142-0x0000000000820000-0x0000000000F04000-memory.dmp themida behavioral1/memory/324-144-0x0000000000820000-0x0000000000F04000-memory.dmp themida behavioral1/memory/324-145-0x0000000000820000-0x0000000000F04000-memory.dmp themida behavioral1/memory/324-146-0x0000000000820000-0x0000000000F04000-memory.dmp themida behavioral1/memory/324-147-0x0000000000820000-0x0000000000F04000-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/324-152-0x0000000000820000-0x0000000000F04000-memory.dmp themida behavioral1/memory/1620-154-0x0000000001300000-0x00000000019E4000-memory.dmp themida behavioral1/memory/1620-155-0x0000000001300000-0x00000000019E4000-memory.dmp themida behavioral1/memory/1620-156-0x0000000001300000-0x00000000019E4000-memory.dmp themida behavioral1/memory/1620-157-0x0000000001300000-0x00000000019E4000-memory.dmp themida behavioral1/memory/1620-158-0x0000000001300000-0x00000000019E4000-memory.dmp themida behavioral1/memory/1620-159-0x0000000001300000-0x00000000019E4000-memory.dmp themida behavioral1/memory/1620-160-0x0000000001300000-0x00000000019E4000-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 324 ethrog.exe 1620 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exedescription pid process target process PID 1296 set thread context of 1772 1296 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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 b368ffcb6e9405d115f30bf7742b5e61.exe 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 -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 428 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1620 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exeethrog.exeDpEditor.exepid process 1772 b368ffcb6e9405d115f30bf7742b5e61.exe 324 ethrog.exe 1620 DpEditor.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
b368ffcb6e9405d115f30bf7742b5e61.exeb368ffcb6e9405d115f30bf7742b5e61.execmd.execmd.exeethrog.exedescription pid process target process PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1296 wrote to memory of 1772 1296 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.exe PID 1772 wrote to memory of 924 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 924 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 924 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 924 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 1152 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 1152 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 1152 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 1772 wrote to memory of 1152 1772 b368ffcb6e9405d115f30bf7742b5e61.exe cmd.exe PID 924 wrote to memory of 324 924 cmd.exe ethrog.exe PID 924 wrote to memory of 324 924 cmd.exe ethrog.exe PID 924 wrote to memory of 324 924 cmd.exe ethrog.exe PID 924 wrote to memory of 324 924 cmd.exe ethrog.exe PID 1152 wrote to memory of 428 1152 cmd.exe timeout.exe PID 1152 wrote to memory of 428 1152 cmd.exe timeout.exe PID 1152 wrote to memory of 428 1152 cmd.exe timeout.exe PID 1152 wrote to memory of 428 1152 cmd.exe timeout.exe PID 324 wrote to memory of 1620 324 ethrog.exe DpEditor.exe PID 324 wrote to memory of 1620 324 ethrog.exe DpEditor.exe PID 324 wrote to memory of 1620 324 ethrog.exe DpEditor.exe PID 324 wrote to memory of 1620 324 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\886A1A2FE18A634A\ethrog.exe3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\886A1A2FE18A634A\ethrog.exeC:\Users\Admin\AppData\Roaming\886A1A2FE18A634A\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\9A8.tmpFilesize
32B
MD5502ef3f3ece4863580320144bb4def88
SHA1c9b0633d81023b22bd1ac521797b853fc4ba1014
SHA2565e4a980e509800ef5eba533fbfb5e7f38bd55d4b72008bb14be344a6c699a945
SHA51228d53daf4f9c126cd639bb52254c70cca7198de167b64fd938168bfa22410ac6dcc5d34f740aad44d6a6eb76334a5dd422a65e7e4f6ab809df7ff4d110110228
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C:\Users\Admin\AppData\Local\Temp\A48.tmpFilesize
71KB
MD57634ebd082abbba35a8e6a300ec83c51
SHA1953666e70fbed932e4bed446f1d1e432781972b7
SHA256792aa1b2f647c981a8778a35717809ff0783bc4b6c022e6ed049c1029f6c584f
SHA5126f95e7c7c4548ad206294e5fc13f9ed0bad9476e5775ac4e06bd324c6e0a14382fcf5f604e5899084ee2f3733405716d60842f3393d5fa174902dbb055d40f3e
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C:\Users\Admin\AppData\Roaming\886A1A2FE18A634A\ethrog.exeFilesize
2.6MB
MD5ce3eac76269dbad2418ffc80324753ce
SHA132554e64820bf80f36628605ce12518eaaedc744
SHA256b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053
SHA51225a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17
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C:\Users\Admin\AppData\Roaming\886A1A2FE18A634A\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\886A1A2FE18A634A\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/324-152-0x0000000000820000-0x0000000000F04000-memory.dmpFilesize
6.9MB
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memory/324-147-0x0000000000820000-0x0000000000F04000-memory.dmpFilesize
6.9MB
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memory/324-146-0x0000000000820000-0x0000000000F04000-memory.dmpFilesize
6.9MB
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memory/324-145-0x0000000000820000-0x0000000000F04000-memory.dmpFilesize
6.9MB
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memory/324-144-0x0000000000820000-0x0000000000F04000-memory.dmpFilesize
6.9MB
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memory/324-142-0x0000000000820000-0x0000000000F04000-memory.dmpFilesize
6.9MB
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memory/924-143-0x0000000001FE0000-0x00000000026C4000-memory.dmpFilesize
6.9MB
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memory/1620-154-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1620-155-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1620-160-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1620-159-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1620-158-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1620-157-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1620-156-0x0000000001300000-0x00000000019E4000-memory.dmpFilesize
6.9MB
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memory/1772-58-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-62-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1772-54-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-60-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-59-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-64-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-65-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-56-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-57-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-137-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB
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memory/1772-55-0x0000000000400000-0x00000000004CB000-memory.dmpFilesize
812KB