Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
09-07-2023 15:21
Behavioral task
behavioral1
Sample
TeamViewerSetupexe.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
TeamViewerSetupexe.exe
Resource
win10v2004-20230703-en
General
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Target
TeamViewerSetupexe.exe
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Size
152KB
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MD5
3854db59d8c7964dde765803e7e380b6
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SHA1
e5d981f6798cb902b7091944cdd7badafb7e0322
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SHA256
5a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
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SHA512
3c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
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SSDEEP
3072:EJZKnPE2YyJzELtyTJyYeY8lNgoiJ+sX8HFvytbcNGInicz+:EJZKBI0JyYeY4eoiJ+sCFvPnNz+
Malware Config
Signatures
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VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
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Vanilla Rat payload 17 IoCs
resource yara_rule behavioral1/memory/3056-54-0x0000000001110000-0x000000000113E000-memory.dmp vanillarat behavioral1/files/0x000e00000001223d-57.dat vanillarat behavioral1/files/0x000e00000001223d-60.dat vanillarat behavioral1/files/0x000e00000001223d-61.dat vanillarat behavioral1/files/0x000e00000001223d-62.dat vanillarat behavioral1/memory/1148-63-0x00000000011D0000-0x00000000011F2000-memory.dmp vanillarat behavioral1/files/0x000b000000012309-66.dat vanillarat behavioral1/files/0x000b000000012309-67.dat vanillarat behavioral1/files/0x000b000000012309-65.dat vanillarat behavioral1/files/0x000b000000012309-64.dat vanillarat behavioral1/files/0x000b000000012309-68.dat vanillarat behavioral1/files/0x000c000000012305-71.dat vanillarat behavioral1/files/0x000c000000012305-74.dat vanillarat behavioral1/memory/2564-76-0x0000000000070000-0x0000000000092000-memory.dmp vanillarat behavioral1/files/0x000c000000012305-75.dat vanillarat behavioral1/memory/2564-77-0x0000000004D10000-0x0000000004D50000-memory.dmp vanillarat behavioral1/memory/2564-78-0x0000000004D10000-0x0000000004D50000-memory.dmp vanillarat -
Executes dropped EXE 2 IoCs
pid Process 1148 svchost.exe 2564 svchost.exe -
Loads dropped DLL 7 IoCs
pid Process 3056 TeamViewerSetupexe.exe 2016 WerFault.exe 2016 WerFault.exe 2016 WerFault.exe 2016 WerFault.exe 2016 WerFault.exe 1148 svchost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2016 3056 WerFault.exe 28 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3056 TeamViewerSetupexe.exe Token: SeDebugPrivilege 1148 svchost.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3056 wrote to memory of 1148 3056 TeamViewerSetupexe.exe 30 PID 3056 wrote to memory of 1148 3056 TeamViewerSetupexe.exe 30 PID 3056 wrote to memory of 1148 3056 TeamViewerSetupexe.exe 30 PID 3056 wrote to memory of 1148 3056 TeamViewerSetupexe.exe 30 PID 3056 wrote to memory of 2016 3056 TeamViewerSetupexe.exe 31 PID 3056 wrote to memory of 2016 3056 TeamViewerSetupexe.exe 31 PID 3056 wrote to memory of 2016 3056 TeamViewerSetupexe.exe 31 PID 3056 wrote to memory of 2016 3056 TeamViewerSetupexe.exe 31 PID 1148 wrote to memory of 2564 1148 svchost.exe 32 PID 1148 wrote to memory of 2564 1148 svchost.exe 32 PID 1148 wrote to memory of 2564 1148 svchost.exe 32 PID 1148 wrote to memory of 2564 1148 svchost.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\TeamViewerSetupexe.exe"C:\Users\Admin\AppData\Local\Temp\TeamViewerSetupexe.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Users\Admin\svchost.exe"C:\Users\Admin\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2564
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 8922⤵
- Loads dropped DLL
- Program crash
PID:2016
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a
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Filesize
152KB
MD53854db59d8c7964dde765803e7e380b6
SHA1e5d981f6798cb902b7091944cdd7badafb7e0322
SHA2565a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
SHA5123c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
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Filesize
152KB
MD53854db59d8c7964dde765803e7e380b6
SHA1e5d981f6798cb902b7091944cdd7badafb7e0322
SHA2565a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
SHA5123c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
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Filesize
152KB
MD53854db59d8c7964dde765803e7e380b6
SHA1e5d981f6798cb902b7091944cdd7badafb7e0322
SHA2565a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
SHA5123c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
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Filesize
152KB
MD53854db59d8c7964dde765803e7e380b6
SHA1e5d981f6798cb902b7091944cdd7badafb7e0322
SHA2565a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
SHA5123c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
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Filesize
152KB
MD53854db59d8c7964dde765803e7e380b6
SHA1e5d981f6798cb902b7091944cdd7badafb7e0322
SHA2565a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
SHA5123c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a
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Filesize
115KB
MD599198c628ae018b8b7d043514141bded
SHA1fa9b200d99530fb5efb36e7f928ad01f4dec5ed8
SHA256160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895
SHA5120dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a