Analysis
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max time kernel
91s -
max time network
92s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
18-03-2021 01:12
Behavioral task
behavioral1
Sample
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe
Resource
win10v20201028
General
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Target
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe
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Size
1.9MB
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MD5
9fa1ba3e7d6e32f240c790753cdaaf8e
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SHA1
7bcea3fbfcb4c170c57c9050499e1fae40f5d731
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SHA256
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
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SHA512
8d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW-TO-DECRYPT-gn9cj.txt
Signatures
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Processes:
resource yara_rule \Users\Admin\AppData\Roaming\CenterLibrary\Tip cryptone \Users\Admin\AppData\Roaming\CenterLibrary\Tip cryptone C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip cryptone C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip cryptone -
Executes dropped EXE 1 IoCs
Processes:
Tippid process 1696 Tip -
Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
Tipdescription ioc process File renamed C:\Users\Admin\Pictures\EnterLock.tif => C:\Users\Admin\Pictures\EnterLock.tif.gn9cj Tip File opened for modification C:\Users\Admin\Pictures\EnterLock.tif.gn9cj Tip File renamed C:\Users\Admin\Pictures\JoinMove.png => C:\Users\Admin\Pictures\JoinMove.png.gn9cj Tip File opened for modification C:\Users\Admin\Pictures\JoinMove.png.gn9cj Tip File renamed C:\Users\Admin\Pictures\UpdateSave.tiff => C:\Users\Admin\Pictures\UpdateSave.tiff.gn9cj Tip File opened for modification C:\Users\Admin\Pictures\UpdateSave.tiff.gn9cj Tip -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 292 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exepid process 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exeTipcmd.execmd.exedescription pid process target process PID 740 wrote to memory of 1696 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe Tip PID 740 wrote to memory of 1696 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe Tip PID 740 wrote to memory of 1696 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe Tip PID 1696 wrote to memory of 1624 1696 Tip cmd.exe PID 1696 wrote to memory of 1624 1696 Tip cmd.exe PID 1696 wrote to memory of 1624 1696 Tip cmd.exe PID 740 wrote to memory of 292 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe cmd.exe PID 740 wrote to memory of 292 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe cmd.exe PID 740 wrote to memory of 292 740 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe cmd.exe PID 1624 wrote to memory of 392 1624 cmd.exe waitfor.exe PID 1624 wrote to memory of 392 1624 cmd.exe waitfor.exe PID 1624 wrote to memory of 392 1624 cmd.exe waitfor.exe PID 292 wrote to memory of 1460 292 cmd.exe waitfor.exe PID 292 wrote to memory of 1460 292 cmd.exe waitfor.exe PID 292 wrote to memory of 1460 292 cmd.exe waitfor.exe PID 1624 wrote to memory of 1116 1624 cmd.exe attrib.exe PID 1624 wrote to memory of 1116 1624 cmd.exe attrib.exe PID 1624 wrote to memory of 1116 1624 cmd.exe attrib.exe PID 292 wrote to memory of 952 292 cmd.exe attrib.exe PID 292 wrote to memory of 952 292 cmd.exe attrib.exe PID 292 wrote to memory of 952 292 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1116 attrib.exe 952 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe"C:\Users\Admin\AppData\Local\Temp\fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\CenterLibrary\TipC:\Users\Admin\AppData\Roaming\CenterLibrary\Tip /go2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip" & del "C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip" & rd "C:\Users\Admin\AppData\Roaming\CenterLibrary\"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\waitfor.exewaitfor /t 10 pause /d y4⤵
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C:\Windows\system32\attrib.exeattrib -h "C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip"4⤵
- Views/modifies file attributes
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C:\Windows\system32\cmd.execmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe" & del "C:\Users\Admin\AppData\Local\Temp\fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\waitfor.exewaitfor /t 10 pause /d y3⤵
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C:\Windows\system32\attrib.exeattrib -h "C:\Users\Admin\AppData\Local\Temp\fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe"3⤵
- Views/modifies file attributes
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\CenterLibrary\TipMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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C:\Users\Admin\AppData\Roaming\CenterLibrary\TipMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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\Users\Admin\AppData\Roaming\CenterLibrary\TipMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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\Users\Admin\AppData\Roaming\CenterLibrary\TipMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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memory/292-9-0x0000000000000000-mapping.dmp
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memory/392-10-0x0000000000000000-mapping.dmp
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memory/740-6-0x0000000001B90000-0x0000000001D52000-memory.dmpFilesize
1.8MB
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memory/952-14-0x0000000000000000-mapping.dmp
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memory/1116-12-0x0000000000000000-mapping.dmp
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memory/1460-11-0x0000000000000000-mapping.dmp
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memory/1624-8-0x0000000000000000-mapping.dmp
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memory/1696-4-0x0000000000000000-mapping.dmp