Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-09-2024 01:27
Behavioral task
behavioral1
Sample
b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe
Resource
win10v2004-20240802-en
General
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Target
b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe
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Size
41KB
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MD5
3130d2ef0183bc97d994bdd7019dcd60
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SHA1
2309a8cf0b32b53b8e0cf23ee3dc7642f859c9cb
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SHA256
b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400
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SHA512
a7e76a5bdf2380070e5bbc04ae435aabc634a901ff116cec7220ab9987db73d48d68cd4bd9e0c870a160c35cd88ad710544c33414e0a51fa8487bc86f8ec28b4
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q
Malware Config
Signatures
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Detects MyDoom family 9 IoCs
resource yara_rule behavioral1/memory/2364-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-41-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2364-143-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2544 services.exe -
resource yara_rule behavioral1/memory/2364-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2364-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000015da1-7.dat upx behavioral1/memory/2544-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2544-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2544-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2544-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2544-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2544-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-41-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-54.dat upx behavioral1/memory/2364-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2544-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-143-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2544-144-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe File opened for modification C:\Windows\java.exe b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe File created C:\Windows\java.exe b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 0f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a8090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703085300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc30b00000001000000120000004400690067006900430065007200740000001d00000001000000100000008f76b981d528ad4770088245e2031b630300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc252000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2544 2364 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe 31 PID 2364 wrote to memory of 2544 2364 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe 31 PID 2364 wrote to memory of 2544 2364 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe 31 PID 2364 wrote to memory of 2544 2364 b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe"C:\Users\Admin\AppData\Local\Temp\b31b0a796b54bc72c5de9500fc8902b49c566121e846b937ef826dcab3ca3400.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
41KB
MD5a3fd9cb784ae9e5954b0353cdd9ff50a
SHA120953fe81c211282c4c8f0107c87f5cf2677bd88
SHA256c035963624ad32bd659168447698ecc5a0ade6cc58fad516700a1e47d1beca62
SHA512eeabc9bfe5ba5fa7cb5ad96c5b5b6a0cfe9786361ac135e3ffa25ed28318399af4735357006cbe6e89214ef6e07e1873eb58820c874acb79d27a9eccc3651696
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Filesize
192B
MD5b8160bd1d016b4a4a213e800f428c674
SHA1c0f89f694ee9113648c03bec882c1c98333e046e
SHA256e8269075b0ab77cffc67922e8ba1f6db863e3ac1eb387ea88b4591d4be0d7a7c
SHA512b51c1659455620c14c82aa4958bfd5d9895ce964646c0fdb952cca87592d17124bb70049a03e43ee58fa255e1cfc7016d4d493995a91ec9f8e51ab1b68d3adef
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Filesize
192B
MD5848a69b5a711c4d8aa98014e1cd5cd0e
SHA1c4d6100f60fd7a11a568866f82979944a9d794e6
SHA256fefc59c3c0914d8b837c1e83be643b7d87e8bee5f3630a787d993bfb823f4d53
SHA51248b806f1754b5ac245d47139adaf37d5d9b4f8bc7203cc251b758b8cc3e5cbb87aac711613df552d96ce444c6ade8a674c8c0c0d9f1f82d26092079acb687092
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2