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
pid Process 2096 Method -
Modifies extensions of user files 16 IoCs
Ransomware generally changes the extension on encrypted files.
description 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
description pid Process procid_target PID 1112 wrote to memory of 2096 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe 79 PID 1112 wrote to memory of 2096 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe 79 PID 2096 wrote to memory of 3408 2096 Method 81 PID 2096 wrote to memory of 3408 2096 Method 81 PID 1112 wrote to memory of 3636 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe 83 PID 1112 wrote to memory of 3636 1112 0dfcf4d5f66310de87c2e422d7804e66279fe3e3cd6a27723225aecf214e9b00.bin.exe 83 PID 3408 wrote to memory of 1172 3408 cmd.exe 85 PID 3408 wrote to memory of 1172 3408 cmd.exe 85 PID 3636 wrote to memory of 512 3636 cmd.exe 86 PID 3636 wrote to memory of 512 3636 cmd.exe 86 PID 3408 wrote to memory of 1256 3408 cmd.exe 88 PID 3408 wrote to memory of 1256 3408 cmd.exe 88 PID 3636 wrote to memory of 412 3636 cmd.exe 87 PID 3636 wrote to memory of 412 3636 cmd.exe 87 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid 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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