Analysis
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max time kernel
132s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
20-02-2024 18:08
Static task
static1
Behavioral task
behavioral1
Sample
fly vw.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
fly vw.exe
Resource
win10v2004-20231215-en
General
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Target
fly vw.exe
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Size
3.0MB
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MD5
e9741cbf19fc1947d6c586564585f53f
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SHA1
6580de244f3f2f77548376aabf1671a2b76e0b4e
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SHA256
72ec0572620cb474a46ee2a6092f3d080c25b66b07d76fd2dd72d3f2388f04a0
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SHA512
4560eb4fb3706967e24a0cbcf34387564ab1b0e340a910ed7b925ec5dc80661c7b39a46650586c3991badfd343f3ad3cf67506f5afda4af859784629988b047a
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SSDEEP
49152:tM3r1CyUBpXb9OZxkjBJrlrCZ9eZHtFs6SC5bAPLERCpydSECwKWvtY0:qJC1pb9OZ+9dlKwZHtFg8czE0pydSECW
Malware Config
Extracted
44caliber
https://discordapp.com/api/webhooks/1192569430484463717/I6Kwe8DzntI6vhtlBS66UU8vV05EYfDX3mK1x5PPRmeEfRH9iurdtdMxHmv2ZZuW3Ev5
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2688 FreeRobux.exe 1876 FreeRobux.exe -
Loads dropped DLL 7 IoCs
pid Process 1404 Process not Found 1404 Process not Found 1404 Process not Found 1404 Process not Found 1404 Process not Found 1404 Process not Found 1404 Process not Found -
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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\L: mstsc.exe File opened (read-only) \??\P: mstsc.exe File opened (read-only) \??\U: mstsc.exe File opened (read-only) \??\X: mstsc.exe File opened (read-only) \??\Y: mstsc.exe File opened (read-only) \??\G: mstsc.exe File opened (read-only) \??\H: mstsc.exe File opened (read-only) \??\K: mstsc.exe File opened (read-only) \??\N: mstsc.exe File opened (read-only) \??\S: mstsc.exe File opened (read-only) \??\Z: mstsc.exe File opened (read-only) \??\A: mstsc.exe File opened (read-only) \??\R: mstsc.exe File opened (read-only) \??\T: mstsc.exe File opened (read-only) \??\V: mstsc.exe File opened (read-only) \??\I: mstsc.exe File opened (read-only) \??\E: mstsc.exe File opened (read-only) \??\J: mstsc.exe File opened (read-only) \??\M: mstsc.exe File opened (read-only) \??\O: mstsc.exe File opened (read-only) \??\Q: mstsc.exe File opened (read-only) \??\W: mstsc.exe File opened (read-only) \??\B: mstsc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 freegeoip.app 5 freegeoip.app 16 freegeoip.app -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2688 FreeRobux.exe 2688 FreeRobux.exe 1876 FreeRobux.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 FreeRobux.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier FreeRobux.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 FreeRobux.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier FreeRobux.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main fly vw.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C FreeRobux.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 FreeRobux.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 FreeRobux.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 190000000100000010000000a823b4a20180beb460cab955c24d7e210f00000001000000140000005a6d07b6371d966a2fb6ba92828ce5512a49513d090000000100000068000000306606082b0601050507030106082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030806082b06010505070309060a2b0601040182370a030406082b0601050507030606082b0601050507030706082b060105050802025300000001000000230000003021301f06092b06010401a032010130123010060a2b0601040182373c0101030200c00b000000010000001600000047006c006f00620061006c005300690067006e000000140000000100000014000000607b661a450d97ca89502f7d04cd34a8fffcfd4b1d00000001000000100000006ee7f3b060d10e90a31ba3471b999236030000000100000014000000b1bc968bd4f49d622aa89a81f2150152a41d829c0400000001000000100000003e455215095192e1b75d379fb187298a200000000100000079030000308203753082025da003020102020b040000000001154b5ac394300d06092a864886f70d01010505003057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f74204341301e170d3938303930313132303030305a170d3238303132383132303030305a3057310b300906035504061302424531193017060355040a1310476c6f62616c5369676e206e762d73613110300e060355040b1307526f6f74204341311b301906035504031312476c6f62616c5369676e20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100da0ee6998dcea3e34f8a7efbf18b83256bea481ff12ab0b9951104bdf063d1e26766cf1cddcf1b482bee8d898e9aaf298065abe9c72d12cbab1c4c7007a13d0a30cd158d4ff8ddd48c50151cef50eec42ef7fce952f2917de06dd535308e5e4373f241e9d56ae3b2893a5639386f063c88695b2a4dc5a754b86c89cc9bf93ccae5fd89f5123c927896d6dc746e934461d18dc746b2750e86e8198ad56d6cd5781695a2e9c80a38ebf224134f73549313853a1bbc1e34b58b058cb9778bb1db1f2091ab09536e90ce7b3774b97047912251631679aeb1ae412608c8192bd146aa48d6642ad78334ff2c2ac16c19434a0785e7d37cf62168efeaf2529f7f9390cf0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e04160414607b661a450d97ca89502f7d04cd34a8fffcfd4b300d06092a864886f70d01010505000382010100d673e77c4f76d08dbfecbaa2be34c52832b57cfc6c9c2c2bbd099e53bf6b5eaa1148b6e508a3b3ca3d614dd34609b33ec3a0e363551bf2baefad39e143b938a3e62f8a263befa05056f9c60afd38cdc40b705194979804dfc35f94d515c914419cc45d7564150dff5530ec868fff0def2cb96346f6aafcdfbc69fd2e1248649ae095f0a6ef298f01b115b50c1da5fe692c6924781eb3a71c7162eecac897ac175d8ac2f847866e2ac4563195d06789852bf96ca65d469d0caa82e49951dd70b7db563d61e46ae15cd6f6fe3dde41cc07ae6352bf5353f42be9c7fdb6f7825f85d24118db81b3041cc51fa4806f1520c9de0c880a1dd66655e2fc48c9292669e0 FreeRobux.exe -
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
pid Process 2688 FreeRobux.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2688 FreeRobux.exe 2688 FreeRobux.exe 2688 FreeRobux.exe 2688 FreeRobux.exe 2688 FreeRobux.exe 1876 FreeRobux.exe 1876 FreeRobux.exe 1876 FreeRobux.exe 1876 FreeRobux.exe 1876 FreeRobux.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2900 fly vw.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2688 FreeRobux.exe Token: SeDebugPrivilege 1876 FreeRobux.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2900 fly vw.exe 2900 fly vw.exe 2688 FreeRobux.exe 1876 FreeRobux.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2900 wrote to memory of 2740 2900 fly vw.exe 28 PID 2900 wrote to memory of 2740 2900 fly vw.exe 28 PID 2900 wrote to memory of 2740 2900 fly vw.exe 28 PID 2900 wrote to memory of 2740 2900 fly vw.exe 28 PID 2900 wrote to memory of 2740 2900 fly vw.exe 28 PID 2740 wrote to memory of 2688 2740 cmd.exe 30 PID 2740 wrote to memory of 2688 2740 cmd.exe 30 PID 2740 wrote to memory of 2688 2740 cmd.exe 30 PID 2740 wrote to memory of 2688 2740 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\fly vw.exe"C:\Users\Admin\AppData\Local\Temp\fly vw.exe"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\Downloads\Setup.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\Downloads\FreeRobux.exeFreeRobux.exe -p111 -dC:\Users\Admin\AppData\Roaming3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2688
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2124
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C:\Users\Admin\Downloads\FreeRobux.exe"C:\Users\Admin\Downloads\FreeRobux.exe"1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1876
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C:\Windows\system32\mstsc.exe"C:\Windows\system32\mstsc.exe"1⤵
- Enumerates connected drives
PID:1944
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C:\Windows\system32\control.exe"C:\Windows\system32\control.exe" /name Microsoft.DefaultPrograms1⤵PID:2924
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}1⤵PID:2916
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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Filesize
92KB
MD5b9858d49711b377343dad7336af34a75
SHA1807eee110edcaf45772bf902d32adfe72d7aa7e0
SHA25629796e50a6e69754ef1bb64d0dd9ca2e657c8de2843e06d689c0b5125c9d3ce3
SHA5129525413e6bf14f24f2dedccac36a153ddee2d88f3ee0ce87d8ac4cd3ea63d33fa439cf28d3e155e9e7be0d0856d0b01e2813dc67e890724c4cd71714490cff5d
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Filesize
1.2MB
MD53c0a10912d34140b0dcbbb6ddd982f56
SHA19c07774e8ce009629dbddb43fa73cb3f5dafe39b
SHA256d3e166dfd64f0f5e63ef46ccf340937393242433a872d77d8d6afc974a8e6cfd
SHA512c95140ef1abe995c210a620727db4e0627f2fda20d248a29c9216e96992f23096435ee248f3d2d69b71e4e9c4215e7ecf6048cc983142f67b371d7c35b15bb4b
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Filesize
31B
MD57a1224f5b93470ba772698dba9bbc8dc
SHA15cbabe8cb347a350f75108efb101f7aa29f1ac6f
SHA2565ea7797532c3ed291e4a9b5f40f07140ac073737bc280de5bc5fc1bf7dc90e99
SHA512f6071c4edb7e7cc013cc8791c96b048672ca7eb71b0098ce5fa565309d8f9767e470b35b9172bfbaa6d42f91cb7792789828195c4f041e81066cbd8b45f61c05
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Filesize
1.6MB
MD5a7ee48c9bc8343c20978cd2bb27648d5
SHA11667b8481a81965d494b349cbca761e443e00fa3
SHA2567d0a0f28fb323e4c2432696be7d445da107407beee50cf29c0a28bacfa88c649
SHA5124dad06de44c6e9cf7534c9164d70e9a3bc2340370784bc5b681e9c3f50e0438021efca8449da61ed9aacf8921d46d45849f66da3175ba0d07888157f66ee834c