Analysis
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max time kernel
117s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
03-06-2024 05:32
Static task
static1
Behavioral task
behavioral1
Sample
5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe
Resource
win7-20231129-en
General
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Target
5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe
-
Size
2.4MB
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MD5
1d3292059e4394a0330e4883521dd5d8
-
SHA1
7bd98b232f227fe7242621995030bb8a66efad7f
-
SHA256
5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00
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SHA512
8be2dccbfac5322201abedb7965e02bed798f443ef552a1975f5010d430afc1c7dae87db4ad009ff383274c0e37f891d63cdc68de384a9428c12a0c2bafc08a4
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SSDEEP
49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 10 IoCs
Processes:
resource yara_rule behavioral1/memory/2248-1-0x0000000003460000-0x00000000035AC000-memory.dmp family_vidar_v7 behavioral1/memory/804-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-24-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-23-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-19-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-193-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-218-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-255-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/804-280-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katFC0B.tmppid Process 804 katFC0B.tmp -
Loads dropped DLL 2 IoCs
Processes:
5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exepid Process 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exedescription pid Process procid_target PID 2248 set thread context of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katFC0B.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katFC0B.tmp -
Processes:
katFC0B.tmpdescription ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 katFC0B.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 katFC0B.tmp Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 katFC0B.tmp -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
katFC0B.tmppid Process 804 katFC0B.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exedescription pid Process procid_target PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28 PID 2248 wrote to memory of 804 2248 5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe"C:\Users\Admin\AppData\Local\Temp\5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\katFC0B.tmpC:\Users\Admin\AppData\Local\Temp\katFC0B.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:804
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
-
Filesize
1KB
MD5a266bb7dcc38a562631361bbf61dd11b
SHA13b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA5120da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD54290ccd7ee2743829b3908d13a748afb
SHA1f6d5b9cb8deb08c4c693f0d0d91310227123307b
SHA2561918e032da45f8c3a8807dc4ed18ebb5f8bb56d19fbd9cc4db9bd34b35b10604
SHA512c2f71a8c6dcf7ed4ad7f361d89e10e4c8e021c38e3a8bf3c89a06ba765e557c49e5fb8a02a1466a4f10132165162add369bcc42c8c0e59f6de805fce92f14322
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize242B
MD50515bbd60e64cbc9de048794135a734c
SHA102ea7b8e62a0ed1ff01a09d2e08341ba7952ac28
SHA25663d22fcd345469931eebc2bef597f51859643fc6caea876fccfacdb1b061cb8d
SHA512de758ec98f1b37b0a2e0cc4a6f7230817d06a6a26389196903f9e7439f881eacd080520202010093d3cc3387a1d7bb484c0b010eb6caafe81688be6726db7018
-
Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f