Analysis
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max time kernel
144s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
11/12/2023, 20:52
General
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Target
tuc5.exe
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Size
7.5MB
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MD5
31c2be6366eeb177a278d13ebd837f9e
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SHA1
56f7138d623726aa2e1b3893a22c63962956dc3b
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SHA256
247651d2dbc7e07105f03e6db3d980d2215bd5754cd3883af208d4150d14b165
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SHA512
e40c2286dd893fb6a2a2901dd9488338922e9907f394f6dd9b41abaf67d85af4282926f1eca72662fffaf5315b5365da4914716904e650626afe57ce7d854db4
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SSDEEP
196608:TO78pimeIjZMmsj7bXzjl3iT1A9SG7ul2xdVNWiYmJE6RI6zj:K78pimNjMDzjl3dQAdVN1YyRPzj
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 2 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\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-K8NPS.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-K8NPS.tmp\tuc5.tmp" /SL5="$3012E,7611198,68096,C:\Users\Admin\AppData\Local\Temp\tuc5.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)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵
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C:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD59255cea227f91991cee242a691bb5069
SHA196b22e2364605131f0fc0a9d2567c9535ba04d27
SHA2564547256aade3da66aa5c6d35501196b0bded42e4af231a1ea6a2377829103fe7
SHA512041243e25c598d9cb10721a9d5d00f80cf02980563f8f3a57dcded4c4aec8801677d18a1da90dbe3076e3d783f1dd6620571a6329d8dedf4fed49a2a0b69876d
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Filesize
350KB
MD50d9bad31eec14c4ed79190f87b2c1711
SHA115e885d6849191cfc9149815dc0ae1f4bd4b463e
SHA2568b9baffd17c780c3289aad8bb7f3e7d21a2293d665e505fd97747a1eb2b3e4bc
SHA512797aee92ace58b08f99ec418de9485c218a49094973682d4c8196c42822ba32cf8107c4094c10eaff73babb1438a8b06f9b38604f6319961fc0cd1c3fd4d5e58
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Filesize
595KB
MD5c2540dc821e00a0eb08781bfd9807cb4
SHA14b133a034f4da471782e61f3628e3605e7753d49
SHA256e3439b2f982038271d7840c90cb96dd883d5bb9a08f018b2616f76cfca13cf9f
SHA5124ebe5ecb91a6da00075a391c359d36ab5cddb5195f64a10b320705ff40e7f35a9ba579a89206555a17aca7ae74e474fc57174d71855ab7ed4bbfa222817c9726
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Filesize
2.4MB
MD567ac6f70fc48197cde396745dea17809
SHA151cfe8ae13ebe262dcb5af08cf71631aaf527a18
SHA25630dcc826727f9b2a2e4f5dc5c344eccd6eeff32e519e6fa293644e0f2c38ee0f
SHA51219d3924bfef9dab4214e3e60f21793602628e00df83aad804d2840217e086a411f99690e73da4dda0b7b3f34fb4c4f5ebbe372a4d281f296ede9df52d28d13b0
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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
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
96KB
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Filesize
96KB
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Filesize
2.4MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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Filesize
2.4MB