Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
02-05-2022 17:24
Static task
static1
Behavioral task
behavioral1
Sample
c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe
Resource
win7-20220414-en
General
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Target
c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe
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Size
4.1MB
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MD5
75416a25dada56cf262f95caa734d836
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SHA1
5a7c2079bd56b1dfa5cc4911910e560399d8dc02
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SHA256
c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6
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SHA512
c3404dfb33fd3c963669af8b30fed1edab32c3b758b1a7d9eabd7e2872dc65e511c11ebfe6e17ed242e05a6cd9c5a71abd927b87b2fb4bd485f14e0fe6e8df0f
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0006000000022ec2-171.dat acprotect behavioral2/files/0x0006000000022ec1-170.dat acprotect -
resource yara_rule behavioral2/files/0x0006000000022ec0-141.dat aspack_v212_v242 behavioral2/files/0x0006000000022ec0-142.dat aspack_v212_v242 behavioral2/files/0x0006000000022ec0-150.dat aspack_v212_v242 behavioral2/files/0x0006000000022ec0-158.dat aspack_v212_v242 behavioral2/files/0x0006000000022ec0-164.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-172.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-176.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-177.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-189.dat aspack_v212_v242 -
Executes dropped EXE 7 IoCs
pid Process 948 rutserv.exe 4788 rutserv.exe 1124 rutserv.exe 2084 rutserv.exe 5084 rfusclient.exe 4296 rfusclient.exe 2476 rfusclient.exe -
resource yara_rule behavioral2/files/0x0006000000022ec2-171.dat upx behavioral2/files/0x0006000000022ec1-170.dat upx -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation WScript.exe -
Drops file in Program Files directory 16 IoCs
description ioc Process File opened for modification \??\c:\program files\sony c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\regedit.reg c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\rfusclient.exe c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\rfusclient.exe c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\regedit.reg c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\rutserv.exe c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\vp8decoder.dll c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\vp8encoder.dll c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\install.bat c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\__tmp_rar_sfx_access_check_240565328 c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\rutserv.exe c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\vp8decoder.dll c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\install.vbs c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\vp8encoder.dll c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File created C:\Program Files\sony\install.bat c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe File opened for modification C:\Program Files\sony\install.vbs c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Delays execution with timeout.exe 1 IoCs
pid Process 3548 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 2132 taskkill.exe 2496 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000_Classes\Local Settings c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe -
Runs .reg file with regedit 1 IoCs
pid Process 4564 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 948 rutserv.exe 948 rutserv.exe 948 rutserv.exe 948 rutserv.exe 948 rutserv.exe 948 rutserv.exe 4788 rutserv.exe 4788 rutserv.exe 1124 rutserv.exe 1124 rutserv.exe 2084 rutserv.exe 2084 rutserv.exe 2084 rutserv.exe 2084 rutserv.exe 2084 rutserv.exe 2084 rutserv.exe 4296 rfusclient.exe 4296 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 2476 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 2132 taskkill.exe Token: SeDebugPrivilege 2496 taskkill.exe Token: SeDebugPrivilege 948 rutserv.exe Token: SeDebugPrivilege 1124 rutserv.exe Token: SeTakeOwnershipPrivilege 2084 rutserv.exe Token: SeTcbPrivilege 2084 rutserv.exe Token: SeTcbPrivilege 2084 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 948 rutserv.exe 4788 rutserv.exe 1124 rutserv.exe 2084 rutserv.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1820 wrote to memory of 1484 1820 c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe 83 PID 1820 wrote to memory of 1484 1820 c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe 83 PID 1820 wrote to memory of 1484 1820 c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe 83 PID 1484 wrote to memory of 4856 1484 WScript.exe 84 PID 1484 wrote to memory of 4856 1484 WScript.exe 84 PID 1484 wrote to memory of 4856 1484 WScript.exe 84 PID 4856 wrote to memory of 2132 4856 cmd.exe 86 PID 4856 wrote to memory of 2132 4856 cmd.exe 86 PID 4856 wrote to memory of 2132 4856 cmd.exe 86 PID 4856 wrote to memory of 2496 4856 cmd.exe 87 PID 4856 wrote to memory of 2496 4856 cmd.exe 87 PID 4856 wrote to memory of 2496 4856 cmd.exe 87 PID 4856 wrote to memory of 2544 4856 cmd.exe 88 PID 4856 wrote to memory of 2544 4856 cmd.exe 88 PID 4856 wrote to memory of 2544 4856 cmd.exe 88 PID 4856 wrote to memory of 4564 4856 cmd.exe 89 PID 4856 wrote to memory of 4564 4856 cmd.exe 89 PID 4856 wrote to memory of 4564 4856 cmd.exe 89 PID 4856 wrote to memory of 3548 4856 cmd.exe 90 PID 4856 wrote to memory of 3548 4856 cmd.exe 90 PID 4856 wrote to memory of 3548 4856 cmd.exe 90 PID 4856 wrote to memory of 948 4856 cmd.exe 94 PID 4856 wrote to memory of 948 4856 cmd.exe 94 PID 4856 wrote to memory of 948 4856 cmd.exe 94 PID 4856 wrote to memory of 4788 4856 cmd.exe 96 PID 4856 wrote to memory of 4788 4856 cmd.exe 96 PID 4856 wrote to memory of 4788 4856 cmd.exe 96 PID 4856 wrote to memory of 1124 4856 cmd.exe 99 PID 4856 wrote to memory of 1124 4856 cmd.exe 99 PID 4856 wrote to memory of 1124 4856 cmd.exe 99 PID 2084 wrote to memory of 5084 2084 rutserv.exe 102 PID 2084 wrote to memory of 5084 2084 rutserv.exe 102 PID 2084 wrote to memory of 5084 2084 rutserv.exe 102 PID 2084 wrote to memory of 4296 2084 rutserv.exe 101 PID 2084 wrote to memory of 4296 2084 rutserv.exe 101 PID 2084 wrote to memory of 4296 2084 rutserv.exe 101 PID 4296 wrote to memory of 2476 4296 rfusclient.exe 104 PID 4296 wrote to memory of 2476 4296 rfusclient.exe 104 PID 4296 wrote to memory of 2476 4296 rfusclient.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe"C:\Users\Admin\AppData\Local\Temp\c770322a2b938abb69531118353c43aeb8f47d69a0a756434f57d65716c2deb6.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\program files\sony\install.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\sony\install.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2132
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2496
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵PID:2544
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- Runs .reg file with regedit
PID:4564
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
PID:3548
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\??\c:\program files\sony\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:948
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\??\c:\program files\sony\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4788
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\??\c:\program files\sony\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1124
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\??\c:\program files\sony\rutserv.exe"c:\program files\sony\rutserv.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084 -
\??\c:\program files\sony\rfusclient.exe"c:\program files\sony\rfusclient.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4296 -
\??\c:\program files\sony\rfusclient.exe"c:\program files\sony\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:2476
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\??\c:\program files\sony\rfusclient.exe"c:\program files\sony\rfusclient.exe" /tray2⤵
- Executes dropped EXE
PID:5084
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
480B
MD599db27d776e103cad354b531ee1f20b9
SHA10b82d146df8528f66d1d14756f211fd3a8b1b91a
SHA256240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3
SHA512bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
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Filesize
11KB
MD5ad04c93f028cf8c25dfed3d02e47816e
SHA159211771eb7bf5186343db88562093f8f67b2e0f
SHA256962ae13f3c26eca28fb568e055d67bb49ce37854f90fc00b3536db1e9f159860
SHA512563f71f13d8b97a7194656b12485152a6cf6b0fb4eb84534f9740b6521c495e37fd14a64eaaa551f041106e420fa9ab6e597362566cc99c276859c9beeb85312
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
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Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe