Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
07-04-2021 15:09
Static task
static1
Behavioral task
behavioral1
Sample
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe
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Size
416KB
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MD5
d60db6762dce7f48762343f07e32dd5c
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SHA1
b7b6bc97f8ddcefd7139115caf6a69da935a7ad5
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SHA256
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082
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SHA512
4eb95489b280d610a0c3a6ae591e100fc5719fc93fb2f308b6f24779525fa8850479f8f00b7356f32db0ff03ad508443c68c242c2b2b4691409ebc10c648ce4e
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
tcgspecial.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat tcgspecial.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 21 IoCs
Processes:
tcgspecial.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections tcgspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77 tcgspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecision = "0" tcgspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C88B0D75-95D7-40B2-89BD-4A3AD4DC11FD}\WpadDecisionTime = 20ce623bc02bd701 tcgspecial.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings tcgspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix tcgspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" tcgspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" tcgspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" tcgspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad tcgspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a07004a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 tcgspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 tcgspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C88B0D75-95D7-40B2-89BD-4A3AD4DC11FD} tcgspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C88B0D75-95D7-40B2-89BD-4A3AD4DC11FD}\WpadDecision = "0" tcgspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C88B0D75-95D7-40B2-89BD-4A3AD4DC11FD}\WpadNetworkName = "Network" tcgspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C88B0D75-95D7-40B2-89BD-4A3AD4DC11FD}\32-e2-17-db-d2-77 tcgspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionReason = "1" tcgspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 tcgspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings tcgspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C88B0D75-95D7-40B2-89BD-4A3AD4DC11FD}\WpadDecisionReason = "1" tcgspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionTime = 20ce623bc02bd701 tcgspecial.exe -
Suspicious behavior: EmotetMutantsSpam 2 IoCs
Processes:
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exetcgspecial.exepid process 1816 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 1664 tcgspecial.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
tcgspecial.exepid process 1664 tcgspecial.exe 1664 tcgspecial.exe 1664 tcgspecial.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exepid process 1816 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exetcgspecial.exetcgspecial.exepid process 1272 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 1816 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 1496 tcgspecial.exe 1664 tcgspecial.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exetcgspecial.exedescription pid process target process PID 1272 wrote to memory of 1816 1272 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe PID 1272 wrote to memory of 1816 1272 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe PID 1272 wrote to memory of 1816 1272 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe PID 1272 wrote to memory of 1816 1272 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe 7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe PID 1496 wrote to memory of 1664 1496 tcgspecial.exe tcgspecial.exe PID 1496 wrote to memory of 1664 1496 tcgspecial.exe tcgspecial.exe PID 1496 wrote to memory of 1664 1496 tcgspecial.exe tcgspecial.exe PID 1496 wrote to memory of 1664 1496 tcgspecial.exe tcgspecial.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe"C:\Users\Admin\AppData\Local\Temp\7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7262c08879b52c29ad74235c47825ac3be4878bf7a24b7bad61a356ea1749082.exe--589ea4fa2⤵
- Suspicious behavior: EmotetMutantsSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\tcgspecial.exe"C:\Windows\SysWOW64\tcgspecial.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\tcgspecial.exe--f054b5d32⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EmotetMutantsSpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1272-2-0x0000000076881000-0x0000000076883000-memory.dmpFilesize
8KB
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memory/1272-5-0x0000000000260000-0x0000000000271000-memory.dmpFilesize
68KB
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memory/1664-9-0x0000000000000000-mapping.dmp
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memory/1664-12-0x0000000000400000-0x000000000046C000-memory.dmpFilesize
432KB
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memory/1816-3-0x0000000000000000-mapping.dmp
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memory/1816-6-0x0000000000400000-0x000000000046C000-memory.dmpFilesize
432KB