Analysis
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max time kernel
40s -
max time network
67s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
01-01-2021 18:03
Static task
static1
Behavioral task
behavioral1
Sample
0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe
Resource
win10v20201028
General
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Target
0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe
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Size
1.8MB
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MD5
662b823d2472f494c5d539d0694cca77
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SHA1
f8fc84030c579070b36c99c836ac4b5c32bbc2c4
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SHA256
0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00
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SHA512
302d09017cd6bda0b78dbbae8d4353c03088e3244f8bbed242b8937125fa27086cfdf653ad3dbab9738ee0aee8010f378047916e19e2d323d64b993cc62e441d
Malware Config
Extracted
C:\HOW-TO-DECRYPT-kgkq9.txt
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Methodpid process 2096 Method -
Modifies extensions of user files 16 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
Methoddescription ioc process File opened for modification C:\Users\Admin\Pictures\ClearResize.raw.kgkq9 Method File renamed C:\Users\Admin\Pictures\StopGet.crw => C:\Users\Admin\Pictures\StopGet.crw.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\StopGet.crw.kgkq9 Method File renamed C:\Users\Admin\Pictures\ClearResize.raw => C:\Users\Admin\Pictures\ClearResize.raw.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\FormatEdit.tif.kgkq9 Method File renamed C:\Users\Admin\Pictures\FormatRestore.png => C:\Users\Admin\Pictures\FormatRestore.png.kgkq9 Method File renamed C:\Users\Admin\Pictures\SearchRevoke.crw => C:\Users\Admin\Pictures\SearchRevoke.crw.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\SearchRevoke.crw.kgkq9 Method File renamed C:\Users\Admin\Pictures\EnterSelect.crw => C:\Users\Admin\Pictures\EnterSelect.crw.kgkq9 Method File renamed C:\Users\Admin\Pictures\FormatEdit.tif => C:\Users\Admin\Pictures\FormatEdit.tif.kgkq9 Method File renamed C:\Users\Admin\Pictures\InstallUnprotect.raw => C:\Users\Admin\Pictures\InstallUnprotect.raw.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\EnterSelect.crw.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\FormatRestore.png.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\InstallUnprotect.raw.kgkq9 Method File renamed C:\Users\Admin\Pictures\ShowCheckpoint.crw => C:\Users\Admin\Pictures\ShowCheckpoint.crw.kgkq9 Method File opened for modification C:\Users\Admin\Pictures\ShowCheckpoint.crw.kgkq9 Method -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exeMethodcmd.execmd.exedescription pid process target process PID 1112 wrote to memory of 2096 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe Method PID 1112 wrote to memory of 2096 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe Method PID 2096 wrote to memory of 3408 2096 Method cmd.exe PID 2096 wrote to memory of 3408 2096 Method cmd.exe PID 1112 wrote to memory of 3636 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe cmd.exe PID 1112 wrote to memory of 3636 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe cmd.exe PID 3408 wrote to memory of 1172 3408 cmd.exe waitfor.exe PID 3408 wrote to memory of 1172 3408 cmd.exe waitfor.exe PID 3636 wrote to memory of 512 3636 cmd.exe waitfor.exe PID 3636 wrote to memory of 512 3636 cmd.exe waitfor.exe PID 3408 wrote to memory of 1256 3408 cmd.exe attrib.exe PID 3408 wrote to memory of 1256 3408 cmd.exe attrib.exe PID 3636 wrote to memory of 412 3636 cmd.exe attrib.exe PID 3636 wrote to memory of 412 3636 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 412 attrib.exe 1256 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe"C:\Users\Admin\AppData\Local\Temp\0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Users\Admin\AppData\Roaming\MsimeReceiver\MethodC:\Users\Admin\AppData\Roaming\MsimeReceiver\Method /go2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\SYSTEM32\cmd.execmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\MsimeReceiver\Method" & del "C:\Users\Admin\AppData\Roaming\MsimeReceiver\Method" & rd "C:\Users\Admin\AppData\Roaming\MsimeReceiver\"3⤵
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\system32\waitfor.exewaitfor /t 10 pause /d y4⤵PID:1172
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C:\Windows\system32\attrib.exeattrib -h "C:\Users\Admin\AppData\Roaming\MsimeReceiver\Method"4⤵
- Views/modifies file attributes
PID:1256
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C:\Windows\SYSTEM32\cmd.execmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"2⤵
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Windows\system32\waitfor.exewaitfor /t 10 pause /d y3⤵PID:512
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C:\Windows\system32\attrib.exeattrib -h "C:\Users\Admin\AppData\Local\Temp\0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe"3⤵
- Views/modifies file attributes
PID:412
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
662b823d2472f494c5d539d0694cca77
SHA1f8fc84030c579070b36c99c836ac4b5c32bbc2c4
SHA2560dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00
SHA512302d09017cd6bda0b78dbbae8d4353c03088e3244f8bbed242b8937125fa27086cfdf653ad3dbab9738ee0aee8010f378047916e19e2d323d64b993cc62e441d
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MD5
662b823d2472f494c5d539d0694cca77
SHA1f8fc84030c579070b36c99c836ac4b5c32bbc2c4
SHA2560dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00
SHA512302d09017cd6bda0b78dbbae8d4353c03088e3244f8bbed242b8937125fa27086cfdf653ad3dbab9738ee0aee8010f378047916e19e2d323d64b993cc62e441d