Analysis
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max time kernel
10s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
23-03-2021 19:28
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\MediaDial\Draw cryptone \Users\Admin\AppData\Roaming\MediaDial\Draw cryptone C:\Users\Admin\AppData\Roaming\MediaDial\Draw cryptone C:\Users\Admin\AppData\Roaming\MediaDial\Draw cryptone -
Executes dropped EXE 1 IoCs
Processes:
Drawpid process 1644 Draw -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1504 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exepid process 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exeDrawcmd.execmd.exedescription pid process target process PID 548 wrote to memory of 1644 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe Draw PID 548 wrote to memory of 1644 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe Draw PID 548 wrote to memory of 1644 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe Draw PID 1644 wrote to memory of 1404 1644 Draw cmd.exe PID 1644 wrote to memory of 1404 1644 Draw cmd.exe PID 1644 wrote to memory of 1404 1644 Draw cmd.exe PID 548 wrote to memory of 1504 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe cmd.exe PID 548 wrote to memory of 1504 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe cmd.exe PID 548 wrote to memory of 1504 548 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87.exe cmd.exe PID 1404 wrote to memory of 316 1404 cmd.exe waitfor.exe PID 1404 wrote to memory of 316 1404 cmd.exe waitfor.exe PID 1404 wrote to memory of 316 1404 cmd.exe waitfor.exe PID 1504 wrote to memory of 376 1504 cmd.exe waitfor.exe PID 1504 wrote to memory of 376 1504 cmd.exe waitfor.exe PID 1504 wrote to memory of 376 1504 cmd.exe waitfor.exe PID 1404 wrote to memory of 1428 1404 cmd.exe attrib.exe PID 1404 wrote to memory of 1428 1404 cmd.exe attrib.exe PID 1404 wrote to memory of 1428 1404 cmd.exe attrib.exe PID 1504 wrote to memory of 524 1504 cmd.exe attrib.exe PID 1504 wrote to memory of 524 1504 cmd.exe attrib.exe PID 1504 wrote to memory of 524 1504 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1428 attrib.exe 524 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\MediaDial\DrawC:\Users\Admin\AppData\Roaming\MediaDial\Draw /go2⤵
- Executes dropped EXE
- 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\MediaDial\Draw" & del "C:\Users\Admin\AppData\Roaming\MediaDial\Draw" & rd "C:\Users\Admin\AppData\Roaming\MediaDial\"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\MediaDial\Draw"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\MediaDial\DrawMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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C:\Users\Admin\AppData\Roaming\MediaDial\DrawMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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\Users\Admin\AppData\Roaming\MediaDial\DrawMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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\Users\Admin\AppData\Roaming\MediaDial\DrawMD5
9fa1ba3e7d6e32f240c790753cdaaf8e
SHA17bcea3fbfcb4c170c57c9050499e1fae40f5d731
SHA256fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
SHA5128d2fb58cb8776ead15f445671431eae13a00b48921e545c7ecbf91829015d818d663d9369f181de669ebb771b113c2f675c3a156fac5ede019b5fad9cb8c65fe
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memory/316-10-0x0000000000000000-mapping.dmp
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memory/376-11-0x0000000000000000-mapping.dmp
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memory/524-13-0x0000000000000000-mapping.dmp
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memory/548-2-0x0000000001C40000-0x0000000001E02000-memory.dmpFilesize
1.8MB
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memory/1404-8-0x0000000000000000-mapping.dmp
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memory/1428-12-0x0000000000000000-mapping.dmp
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memory/1504-9-0x0000000000000000-mapping.dmp
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memory/1644-5-0x0000000000000000-mapping.dmp