Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
11/12/2023, 15:26
General
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Target
tuc6.exe
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Size
6.9MB
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MD5
a7d43563e799aace7525669672214d54
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SHA1
4f6858a358dd9ae1b21ea7d2632730d6b349cbd0
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SHA256
e6ed238f3a90e4c2255bbfd4935021664bf3817df4f1c72ed1ff41fb9678adaf
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SHA512
c8503f5dfd5f4e0a390032c69160a66e70fca71cdd9822a7f7c2416e95e62c9f7f5fc189fde274fba8ebef215bd7411ced08b64ae287f0109ee88bcca98dba65
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SSDEEP
196608:jbw61woT7mRIc+DaTblZEZTXuNkrAk8TQNY0pzj:jbw61woTCR9+OTbl0Zo/Gzj
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 3 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\tuc6.exe"C:\Users\Admin\AppData\Local\Temp\tuc6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-CI79S.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-CI79S.tmp\tuc6.tmp" /SL5="$50150,6958728,68096,C:\Users\Admin\AppData\Local\Temp\tuc6.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)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.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)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
585KB
MD589f432e1110c03f4cd857d072adddabc
SHA1bbf386c60772917dd5ab78c5a5c04c892e937a90
SHA25624174410a110ad7ab1e40bb594ac4c6ae8940bd8e04bc5cdf4b7abdf6aea0ff8
SHA512e95d169f3b085dba7fccd933f0baf046cc9d225ab14670d5d8e24cccfe312865c068dc46d967d7b204cfe77b2fc579d3261f41adf4fc06f6290b8b372ebf403b
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Filesize
398KB
MD57646a87884e79d0219e2125ed156a111
SHA166d757b9546a843e94895309af3464bc43cf429a
SHA25699a374b203be0d9654b63ec1ab3ad26077f8a380a96356a941766a201e1775b8
SHA512f16fc4a8bf59fcc773752eacb0d0dc54cce4deef24290459266e62b6f9ce589658fcc9e1dfb6fce5b146e4c43aff18a4678b72da33923401e0ef17ac112f32d6
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Filesize
381KB
MD548a568f87275df7ea97000d7544a2a01
SHA1d4515b80ff547ab1088a8d6fab3867f65c3a169c
SHA25632938d98d56c1dde21dd55e1a5114b9ee21b6b546ca981015b6fbcb29d18e5f2
SHA5122dc8876d78f2e2bed5720e39bce34c6a57ccaec84b0a7aa5f8f9ab0e012a724853106bffa52650870e884d2cc4fe40ed1ce8082a4a0da873769e32bf2df6c2c7
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Filesize
1.2MB
MD5a79ad6ef51a9645e0f46d8ea1441030b
SHA1581a5f03f7897d76f9d27075bc8f46f0dcbc0857
SHA25624955fd268d43b947c095e3d129a6b8fa3886a3a9e9f57ab1d5d0b52c80d9d65
SHA5129bb4a48105810b0d6553910d56251bcb0dc59a650af85dd091a0fa4e962b3fe1508a3f4a51a59280280402a68272fa7f4eb254013b4112aa57c1efa038ac3d15
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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
96KB
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Filesize
96KB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
632KB
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Filesize
4KB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
1.8MB
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Filesize
752KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB