Analysis
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max time kernel
176s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-06-2024 13:44
Behavioral task
behavioral1
Sample
Lunar.exe
Resource
win7-20240221-en
General
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Target
Lunar.exe
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Size
7.4MB
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MD5
0440d83abe7fc137d4d84cfa898b0ad6
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SHA1
a65a5b1c2e4857caabac6ec807b7bafc703b853e
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SHA256
ff3dc906d1b5b35c7aede0734ff89fd262433bc9ac208f5b19239912b5b503ef
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SHA512
3491726720d68b5533fca3dc6d71f4a9a809e33485dd408317d7f4b3816aa9808e7c79f3b88df10f4fc5ce79eb9fa5f627b68ea96408429367f9fd9f62f856b8
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SSDEEP
196608:BreJYS6jpOshoKMuIkhVastRL5Di3uh1D7JC:mYS4OshouIkPftRL54YRJC
Malware Config
Signatures
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Loads dropped DLL 5 IoCs
Processes:
Lunar.exeLunar.exeLunar.exeLunar.exeLunar.exepid process 2516 Lunar.exe 1984 Lunar.exe 2296 Lunar.exe 1476 Lunar.exe 1996 Lunar.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\_MEI30162\python311.dll upx behavioral1/memory/1984-68-0x000007FEF4E50000-0x000007FEF5439000-memory.dmp upx behavioral1/memory/2296-112-0x000007FEF4DF0000-0x000007FEF53D9000-memory.dmp upx behavioral1/memory/1476-136-0x000007FEF4800000-0x000007FEF4DE9000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_bz2.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_ctypes.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_decimal.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_hashlib.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_lzma.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_queue.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_socket.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_sqlite3.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\_ssl.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\libffi-8.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\libcrypto-3.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\libssl-3.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\select.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\sqlite3.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI8362\unicodedata.pyd upx behavioral1/memory/1996-160-0x000007FEF4210000-0x000007FEF47F9000-memory.dmp upx -
Suspicious behavior: GetForegroundWindowSpam 3 IoCs
Processes:
Lunar.exeLunar.exeLunar.exepid process 2296 Lunar.exe 1476 Lunar.exe 1996 Lunar.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Lunar.exepid process 2516 Lunar.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
Lunar.exeLunar.exeLunar.exeLunar.exeLunar.exedescription pid process target process PID 3016 wrote to memory of 2516 3016 Lunar.exe Lunar.exe PID 3016 wrote to memory of 2516 3016 Lunar.exe Lunar.exe PID 3016 wrote to memory of 2516 3016 Lunar.exe Lunar.exe PID 1736 wrote to memory of 1984 1736 Lunar.exe Lunar.exe PID 1736 wrote to memory of 1984 1736 Lunar.exe Lunar.exe PID 1736 wrote to memory of 1984 1736 Lunar.exe Lunar.exe PID 560 wrote to memory of 2296 560 Lunar.exe Lunar.exe PID 560 wrote to memory of 2296 560 Lunar.exe Lunar.exe PID 560 wrote to memory of 2296 560 Lunar.exe Lunar.exe PID 2220 wrote to memory of 1476 2220 Lunar.exe Lunar.exe PID 2220 wrote to memory of 1476 2220 Lunar.exe Lunar.exe PID 2220 wrote to memory of 1476 2220 Lunar.exe Lunar.exe PID 836 wrote to memory of 1996 836 Lunar.exe Lunar.exe PID 836 wrote to memory of 1996 836 Lunar.exe Lunar.exe PID 836 wrote to memory of 1996 836 Lunar.exe Lunar.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"2⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
PID:2516
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2528
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C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"2⤵
- Loads dropped DLL
PID:1984
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C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"2⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:2296
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C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"2⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:1476
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C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Users\Admin\AppData\Local\Temp\Lunar.exe"C:\Users\Admin\AppData\Local\Temp\Lunar.exe"2⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:1996
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\_MEI30162\python311.dllFilesize
1.6MB
MD55f6fd64ec2d7d73ae49c34dd12cedb23
SHA1c6e0385a868f3153a6e8879527749db52dce4125
SHA256ff9f102264d1944fbfae2ba70e7a71435f51a3e8c677fd970b621c4c9ea71967
SHA512c4be2d042c6e4d22e46eacfd550f61b8f55814bfe41d216a4df48382247df70bc63151068513855aa78f9b3d2f10ba6a824312948324c92de6dd0f6af414e8ab
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\VCRUNTIME140.dllFilesize
106KB
MD549c96cecda5c6c660a107d378fdfc3d4
SHA100149b7a66723e3f0310f139489fe172f818ca8e
SHA25669320f278d90efaaeb67e2a1b55e5b0543883125834c812c8d9c39676e0494fc
SHA512e09e072f3095379b0c921d41d6e64f4f1cd78400594a2317cfb5e5dca03dedb5a8239ed89905c9e967d1acb376b0585a35addf6648422c7ddb472ce38b1ba60d
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_bz2.pydFilesize
48KB
MD5c413931b63def8c71374d7826fbf3ab4
SHA18b93087be080734db3399dc415cc5c875de857e2
SHA25617bfa656cabf7ef75741003497a1c315b10237805ff171d44625a04c16532293
SHA5127dc45e7e5ed35cc182de11a1b08c066918920a6879ff8e37b6bfbdd7d40bffa39ea4aca778aa8afb99c81a365c51187db046bceb938ce9ace0596f1cf746474f
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_ctypes.pydFilesize
58KB
MD500f75daaa7f8a897f2a330e00fad78ac
SHA144aec43e5f8f1282989b14c4e3bd238c45d6e334
SHA2569ffadcb2c40ae6b67ab611acc09e050bbe544672cf05e8402a7aa3936326de1f
SHA512f222f0ebf16a5c6d16aa2fba933034e692e26e81fea4d8b008259aff4102fe8acf3807f3b016c24002daa15bb8778d7fef20f4ae1206d5a6e226f7336d4da5d4
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_decimal.pydFilesize
106KB
MD5e3fb8bf23d857b1eb860923ccc47baa5
SHA146e9d5f746c047e1b2fefaaf8d3ec0f2c56c42f0
SHA2567da13df1f416d3ffd32843c895948e460af4dc02cf05c521909555061ed108e3
SHA5127b0a1fc00c14575b8f415fadc2078bebd157830887dc5b0c4414c8edfaf9fc4a65f58e5cceced11252ade4e627bf17979db397f4f0def9a908efb2eb68cd645c
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_hashlib.pydFilesize
35KB
MD5b227bf5d9fec25e2b36d416ccd943ca3
SHA14fae06f24a1b61e6594747ec934cbf06e7ec3773
SHA256d42c3550e58b9aa34d58f709dc65dc4ee6eea83b651740822e10b0aa051df1d7
SHA512c6d7c5a966c229c4c7042ef60015e3333dab86f83c230c97b8b1042231fdb2a581285a5a08c33ad0864c6bd82f5a3298964ab317736af8a43e7caa7669298c3e
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_lzma.pydFilesize
85KB
MD5542eab18252d569c8abef7c58d303547
SHA105eff580466553f4687ae43acba8db3757c08151
SHA256d2a7111feeaacac8b3a71727482565c46141cc7a5a3d837d8349166bea5054c9
SHA512b7897b82f1aa9d5aa895c3de810dab1aa335fdf7223e4ff29b32340ad350d9be6b145f95a71c7bc7c88c8df77c3f04853ae4d6f0d5a289721fc1468ecba3f958
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_queue.pydFilesize
25KB
MD5347d6a8c2d48003301032546c140c145
SHA11a3eb60ad4f3da882a3fd1e4248662f21bd34193
SHA256e71803913b57c49f4ce3416ec15dc8a9e5c14f8675209624e76cd71b0319b192
SHA512b1fdb46b80bb4a39513685781d563a7d55377e43e071901930a13c3e852d0042a5302cd238ddf6ea4d35ceee5a613c96996bffad2da3862673a0d27e60ff2c06
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_socket.pydFilesize
43KB
MD51a34253aa7c77f9534561dc66ac5cf49
SHA1fcd5e952f8038a16da6c3092183188d997e32fb9
SHA256dc03d32f681634e682b02e9a60fdfce420db9f26754aefb9a58654a064dc0f9f
SHA512ff9eeb4ede4b4dd75c67fab30d0dec462b8af9ca6adc1dcae58f0d169c55a98d85bb610b157f17077b8854ec15af4dfab2f0d47fa9bc463e5b2449979a50293a
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_sqlite3.pydFilesize
56KB
MD51a8fdc36f7138edcc84ee506c5ec9b92
SHA1e5e2da357fe50a0927300e05c26a75267429db28
SHA2568e4b9da9c95915e864c89856e2d7671cd888028578a623e761aeac2feca04882
SHA512462a8f995afc4cf0e041515f0f68600dfd0b0b1402be7945d60e2157ffd4e476cf2ae9cdc8df9595f0fe876994182e3e43773785f79b20c6df08c8a8c47fffa0
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\_ssl.pydFilesize
65KB
MD5f9cc7385b4617df1ddf030f594f37323
SHA1ebceec12e43bee669f586919a928a1fd93e23a97
SHA256b093aa2e84a30790abeee82cf32a7c2209978d862451f1e0b0786c4d22833cb6
SHA5123f362c8a7542212d455f1f187e24f63c6190e564ade0f24561e7e20375a1f15eb36bd8dce9fdaafdab1d6b348a1c6f7cddb9016e4f3535b49136550bc23454fb
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\base_library.zipFilesize
1.4MB
MD532ede00817b1d74ce945dcd1e8505ad0
SHA151b5390db339feeed89bffca925896aff49c63fb
SHA2564a73d461851b484d213684f0aadf59d537cba6fe7e75497e609d54c9f2ba5d4a
SHA512a0e070b2ee1347e85f37e9fd589bc8484f206fa9c8f4020de147b815d2041293551e3a14a09a6eb4050cfa1f74843525377e1a99bbdcfb867b61ebddb89f21f7
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\blank.aesFilesize
120KB
MD53df434cfd8839c80689fb26cfafe68df
SHA133932b357a8daeaef0467ef75da7c4aefab7b8ff
SHA2563b098fead3074081fa22ab36653cbe4599f0abc65ba07d541a4b984d194509ba
SHA5127b18afa2790aee87e472f6f977ec244e5b50317599a8b1229b08d18fa406971959c2938a3b67ca463ad23d4557f2a2d734fdad502a08bba5ebbf7d1a78696984
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\libcrypto-3.dllFilesize
1.6MB
MD578ebd9cb6709d939e4e0f2a6bbb80da9
SHA1ea5d7307e781bc1fa0a2d098472e6ea639d87b73
SHA2566a8c458e3d96f8dd3bf6d3cacc035e38edf7f127eee5563b51f8c8790ced0b3e
SHA512b752769b3de4b78905b0326b5270091642ac89ff204e9e4d78670791a1fa211a54d777aeef59776c21f854c263add163adaef6a81b166190518cfaaf4e2e4122
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\libffi-8.dllFilesize
29KB
MD508b000c3d990bc018fcb91a1e175e06e
SHA1bd0ce09bb3414d11c91316113c2becfff0862d0d
SHA256135c772b42ba6353757a4d076ce03dbf792456143b42d25a62066da46144fece
SHA5128820d297aeda5a5ebe1306e7664f7a95421751db60d71dc20da251bcdfdc73f3fd0b22546bd62e62d7aa44dfe702e4032fe78802fb16ee6c2583d65abc891cbf
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\libssl-3.dllFilesize
223KB
MD5bf4a722ae2eae985bacc9d2117d90a6f
SHA13e29de32176d695d49c6b227ffd19b54abb521ef
SHA256827fdb184fdcde9223d09274be780fe4fe8518c15c8fc217748ad5fd5ea0f147
SHA512dd83b95967582152c7b5581121e6b69a07073e7a76fe87975742bb0fd7ecef7494ec940dba914364034cc4e3f623be98cc887677b65c208f14a2a9fc7497ca73
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\rar.exeFilesize
615KB
MD59c223575ae5b9544bc3d69ac6364f75e
SHA18a1cb5ee02c742e937febc57609ac312247ba386
SHA25690341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
SHA51257663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\rarreg.keyFilesize
456B
MD54531984cad7dacf24c086830068c4abe
SHA1fa7c8c46677af01a83cf652ef30ba39b2aae14c3
SHA25658209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
SHA51200056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\select.pydFilesize
25KB
MD545d5a749e3cd3c2de26a855b582373f6
SHA190bb8ac4495f239c07ec2090b935628a320b31fc
SHA2562d15c2f311528440aa29934920fb0b015eaf8cbe3b3c9ad08a282a2d6ba68876
SHA512c7a641d475a26712652a84b8423155ca347e0ec0155bd257c200225a64752453e4763b8885d8fb043b30e92ae023a501fff04777ba5cfe54da9a68071f25fbea
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\sqlite3.dllFilesize
622KB
MD5dbc64142944210671cca9d449dab62e6
SHA1a2a2098b04b1205ba221244be43b88d90688334c
SHA2566e6b6f7df961c119692f6c1810fbfb7d40219ea4e5b2a98c413424cf02dce16c
SHA5123bff546482b87190bb2a499204ab691532aa6f4b4463ab5c462574fc3583f9fc023c1147d84d76663e47292c2ffc1ed1cb11bdb03190e13b6aa432a1cef85c4b
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C:\Users\Admin\AppData\Local\Temp\_MEI8362\unicodedata.pydFilesize
295KB
MD58c42fcc013a1820f82667188e77be22d
SHA1fba7e4e0f86619aaf2868cedd72149e56a5a87d4
SHA2560e00b0e896457ecdc6ef85a8989888ccfbf05ebd8d8a1c493946a2f224b880c2
SHA5123a028443747d04d05fdd3982bb18c52d1afee2915a90275264bf5db201bd4612090914c7568f870f0af7dfee850c554b3fec9d387334d53d03da6426601942b4
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memory/1476-136-0x000007FEF4800000-0x000007FEF4DE9000-memory.dmpFilesize
5.9MB
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memory/1984-68-0x000007FEF4E50000-0x000007FEF5439000-memory.dmpFilesize
5.9MB
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memory/1996-160-0x000007FEF4210000-0x000007FEF47F9000-memory.dmpFilesize
5.9MB
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memory/2296-112-0x000007FEF4DF0000-0x000007FEF53D9000-memory.dmpFilesize
5.9MB
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memory/2516-23-0x000007FEF5AF0000-0x000007FEF60D9000-memory.dmpFilesize
5.9MB
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memory/2516-24-0x000007FEF5AF0000-0x000007FEF60D9000-memory.dmpFilesize
5.9MB