Analysis
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max time kernel
147s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
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submitted
12/12/2023, 14:11
General
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Target
tuc5.exe
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Size
7.2MB
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MD5
f7222495bc54082eb251c72ea2412004
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SHA1
a6d57024f0fae798a4963f5b5de7a928cb9f937d
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SHA256
afcfb89537e80a7d09cd0ab6159ffca3ebb3050cd1f0266aeeea65dab87ccd77
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SHA512
0357dec568ba6e99410388847111e6c276f0af66afd3e8a4fb26d7bd2bfe47bdbabe51039ec887dcd3945a12bec9f368a3bea947e81eb54586a8eef22f451bff
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SSDEEP
196608:Mxm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:qcjEEAJWEh65C30GW9lCkzj
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\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-3287E.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-3287E.tmp\tuc5.tmp" /SL5="$70126,7269570,121856,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)\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
1.8MB
MD5225dab8ab00053d813a1eaf9fa16be08
SHA1c79aef6e7f6e55301f56c9bafe8db59240229bcc
SHA2568afafac2fb5c5a4db2438674a47e6b11bd9a44671596ff8dc907b4438d6c8231
SHA512530a3a2f218b9baa0f49d4860bc2ed78e87240c69fe43a82ac8a2eca6737e4c81859d54316fa8dd49340311667b689482e8ceaf3f995e07b6e3537ddf3283cc5
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Filesize
2.1MB
MD5a4cca028cb08866f2d4e9337ce15ade6
SHA1c9a6e3e2e07134dc300a5d6cff9225ead40c0e6e
SHA2566dc61a6fa5de88cecf5411f5eb189aff062d16b5c24dd6cb4a6f0ffa4ced359c
SHA512263b8f3b7f696ea79f06090864dc65d97fb321e046a4851dc2a5e541bc3a3fd372676d3b5d22c6d3ffbbeec875da2187b36c6c892c366863a8f2facf147f6c2b
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Filesize
1.2MB
MD5f9909dd32e964198c3053086c1815ab3
SHA161f353676932581cfac3fe0e948c6e6d6c588856
SHA25657395e40c178c65e7494a98e11387b2f7a47bb4aa93c16ff208df31737a89c24
SHA512ea37c1b8ec875a54918d610d7eb104c5b1bea0884b35ad4b7deac6394f4ba9e5fc5760ab1814aef92f384c78e2598fb5e1b41b6ad82798fda18c891e9458cc2e
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Filesize
1.8MB
MD553062b6d035734436a071e8675140a4d
SHA10828c9efb3f59966f7e11d0e56e87bc5010d6a59
SHA256ad04b029195f6f7af9d6d38a0aac3ac9dbc67ad0780e049f0ebb2b914a10a102
SHA51215e939645d1d147833d554bc21d6e6ad9522d84e67df967c77723e23207c85271da60dc2d32fbbec70681bf696c6f9cc4e1728e73ab15fd8b85de5dcbee67760
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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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
2.2MB
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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
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
632KB
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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
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB