Analysis
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max time kernel
118s -
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 05:37
Static task
static1
Behavioral task
behavioral1
Sample
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe
Resource
win7-20231129-en
General
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Target
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe
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Size
2.4MB
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MD5
26d0c4f95063e6f502c519a9f0de8e3d
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SHA1
74913b5791803e3abac7d10a68717b325143c9cc
-
SHA256
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2
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SHA512
80e339b49f08dd64ea1afc70293844a59ee370091a0ec86801065d7380514d44f27672a44d13f8a0e0010762a60a56de0d09412e77110d11a224af34ae64a83a
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SSDEEP
49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/
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/756-2-0x0000000003420000-0x000000000356C000-memory.dmp family_vidar_v7 behavioral1/memory/1668-15-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-24-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-23-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-19-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-198-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-223-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-264-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/1668-289-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katE43.tmppid Process 1668 katE43.tmp -
Loads dropped DLL 2 IoCs
Processes:
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exepid Process 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.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:
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exedescription pid Process procid_target PID 756 set thread context of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katE43.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katE43.tmp -
Processes:
katE43.tmpdescription ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 katE43.tmp Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 katE43.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 katE43.tmp -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
katE43.tmppid Process 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp 1668 katE43.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exedescription pid Process procid_target PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28 PID 756 wrote to memory of 1668 756 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe"C:\Users\Admin\AppData\Local\Temp\7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Users\Admin\AppData\Local\Temp\katE43.tmpC:\Users\Admin\AppData\Local\Temp\katE43.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:1668
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
1KB
MD5a266bb7dcc38a562631361bbf61dd11b
SHA13b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA5120da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize242B
MD5d4c82848a7ae43df21e9c613e20892b4
SHA12e3237f464c11cd9d51c5cbea2cf4ced2f017bf9
SHA256f764e22748c0611f7eef7f8b9eb318bb43f21506f221a3ac4641ced2b7e4bc1e
SHA5123d1863c3f65dd1a789c2979b6b35b960caca7ee97f80ea4ca67592319bc4066017e992eb2b0ad99ffe95136f0c37225076534e9273902486c10095383b2b1662
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f