Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
12/12/2023, 14:08
General
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Target
tuc6.exe
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Size
7.2MB
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MD5
1c36390090a906f4833ab23c272ec505
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SHA1
8c6c0a90e0d7ba70b461027e61fbfd724bb59018
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SHA256
7faedd8af736e807166e03092da4d49906ab4747f2021337fd39bf871957146d
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SHA512
26d1962fbc668616030aba71bf2da88d5c35cfae2f3fbf1da49f43f51b3fcf26d25a666481a5ab1b8dbd1099d89ccb44abacf50a94ec59f5bf6fa0c53f4979cf
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SSDEEP
196608:pxm56Uu8mvAF2l3qqRHw/djqMJueNbMvn+pXnhH5RCLK5Ehezj:6ul8A3nHwljqMksY/4p5RC25qezj
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-I8J1N.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-I8J1N.tmp\tuc6.tmp" /SL5="$40026,7260641,121856,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)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.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
1.6MB
MD520efddd7627cd78c966657d886d75107
SHA129733f01306f59074332453e61e44f6f8653ef27
SHA256beddb26adfa83cfe40b77712eb9eecf431a9d1194935684732cb8afb0f6b38ab
SHA51222ba16956364aeb57205576dbb057c7018d50fea6b4bfd35db89c9dfb771726b12152e6301754869ae473756718efb5167a26207f04827c667832e6456d8d8da
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Filesize
1.5MB
MD54d0d1de51cc1e41a74f8325a9fec27db
SHA184b7d8898db5dbc891761f16443cab376ddcccef
SHA256655140be9c176709722055f02708c855cc1652f4691fb9feedb9ad79bec94334
SHA512a78152defb771eed28056d219665befb2ac53f5ffd3b5bd1d65d20d313154b6bea6fb275a587b2aa37150e1b4d6e313e0b1e017c1cbad3e219bc569e2f83b6f6
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Filesize
860KB
MD502fedb5a1b6dcec2a8c56fa2dbb71bb2
SHA17f68f96b1474155bba7205a635de13eb152800df
SHA256b96f9ef63df7b8f221777291743509eadee45ade5d41f4d09aad45928811e80a
SHA512f3247a7af88a150388d6ed9dd14c92b307f0d84def06e8b9b18d484fcc09dd038e5556b1908650cbe9e1260877255fa9e784fd5ec1a7507028ac457d851f366f
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Filesize
2.1MB
MD5f8e06bb22fdacad6175b636831c9f0a3
SHA17d55cec8b4bb1123428ae94809ef20262cf52c3b
SHA2569294cac00ce92d95d40c031605c5b00ba32c6e9c702df8306f17e3a6ab5d283b
SHA5122903858ad444a74f4bcb2daabe29e314325362fb932fd1a3e2e2b95f8fa8fad9dcbba1b6e66a6b979b0fa3117c7369045ab0db44604089d1a8022c60e5fc0d3a
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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
752KB
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Filesize
2.2MB
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Filesize
4KB
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Filesize
2.2MB
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Filesize
4KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
148KB
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Filesize
148KB