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Analysis
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max time kernel
147s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
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submitted
10/12/2023, 18:16
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
8cdc35abbc8f012285fa8ada42cd1854
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SHA1
27184eee999841e6c589d90fd4f2db92abb21255
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SHA256
fcd543fca24df3c849ddd7c28c225335d97c2c8d678409eb5865a7e04548e19d
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SHA512
5ec7a6672a3f633d9561d21b48e2af99a8cab035f7f42aa0afb3054967ed38fac7e9677a539e73f66eef2dcbea3a86922ae40768a120cbe59dd79a53d00f12e7
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SSDEEP
196608:aA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:CBmakyVnlUQ7Wz3Tv1jNTh0zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 6 IoCs
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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Drops file in Program Files directory 63 IoCs
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Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-MKRBP.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-MKRBP.tmp\tuc7.tmp" /SL5="$400F4,6977575,54272,C:\Users\Admin\AppData\Local\Temp\tuc7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 101⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
396KB
MD5ec0e489764544ee6460d3eb693861263
SHA10ecf1799abab67ab4bfaff08dcb826517a5b186c
SHA25632796ddcb9bc6b938c8fba6bce06579084078364dfc1279875dda2fe4b820513
SHA51240517e8fc43a18329725b4ec5532bda5f2f49bdc0860e0c0b753df0bf9f8e608aa54b1045dcfb83542a6582e4b0ee70b64b9e390be71511f8a8094751fe5d54b
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Filesize
298KB
MD54006ff6a228abf92de38f2d2c7d6ce13
SHA1d4392014efa0a22ab07fe5b9008a03637f4eddf8
SHA256f943be674b63c65fd04161b8e86f0017f941b7d8e24a6dceba9aca1adb999c35
SHA5124abe1fc245411972237340153064f1c081adc79d884d5920cf2642730474a308a21966d7a13498897dd3f44196fe397203bbfa2fe949b073fb0eb1044d9dfc11
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Filesize
207KB
MD592047b5d001a889d16c49d56ce29b305
SHA1f0d98e0b29efc8f6998daaf3b5d7d305db90a483
SHA25672e9517abba3406e78762935d84f4bd6353b909a7ff34b8adef1bce5aec80a2b
SHA5124b0c1eae2582153876a7214088678826dd81034e6eee504c7e4a464e91d879a6a3185759f3a8359e2dbd3ab27df92a5b4e5e7e7e96bee8f7b8615e04d9ddb6f0
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Filesize
451KB
MD5877c161a40ba655aee875c9a7bfe6afc
SHA198797a837f199ef84b6cbd1724c667e9d70f7348
SHA256efcca0fa4531e6cd33e2f96ef8279e6f44c510ea165d25d7048a58c5cc9e7d97
SHA512860e96a27b5a497cefb12c46e0c17a8438c10a4d08df138d43376035d09f11b4ce6232043b8f59d29d056f8b0227821cf87e231f9f81d922be13e2e503ce1ece
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Filesize
563KB
MD550949864d19b420ee6666965900ef237
SHA169173166f919c07dad5154bba4968e51fbac8341
SHA25630970709e7cd96cffcca7e3e2f2d8b6e04517903f40ca5f0766ff64334f50678
SHA512141f67209c326b6e4727a6fb26507feb8913e7020fb931706c45db1e858310a739ee756c14c3f59cc5ad0b9e9c52234cc2bcd97dd8e5d0f85bd4ece76c88f68c
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Filesize
491KB
MD50d3fb0df060d6ccc7fb4c1b3ebf8026b
SHA1d53b6519e3dc6fc9ededf41c8e1cddadbc432d04
SHA25683f8d7946543468adb3f7e9c035e843313d16b1bd4d3287cf7124c232bef693a
SHA512567c1c987bfd0b361211362383493eab46c5f64a4d884b296efaf8f346ac73a4f49b0cc5262da4ca55698b89ef4048b32c6419db2272b094a1c71f953d131546
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Filesize
472KB
MD5af5e07b50a1b3732bc7375ee806cc1ec
SHA1fd4e9f3f18e4ff9e59eb7ed66bfb53287febe27c
SHA256661fef2e47b5b15bdd6d7e788ac2e3293f53c96ceaf20d645ba5b7509b2c3fd2
SHA51230adecb8e649c536d101a620af336a8919fdeb3c2073866f9f174fa8d353e8b01cd03a896bd72bb5e096607cb3e3c8f2a389146419660c9f8e76758dd7269316
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
2.1MB
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Filesize
752KB
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Filesize
4KB
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Filesize
80KB
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Filesize
80KB
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Filesize
80KB
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Filesize
2.1MB
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Filesize
2.1MB
-
Filesize
2.1MB
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Filesize
2.1MB