Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
-
submitted
12/12/2023, 17:09
General
-
Target
tuc3.exe
-
Size
7.2MB
-
MD5
b49915e3abc2d8698ea1724c0ed6b950
-
SHA1
a5c371539c7118e2d32da7095e130b1db0328e8b
-
SHA256
652f8c7a62dee99587f52a269311fb003e47e1cb8499325184deb3bd2b4625d7
-
SHA512
d6f138becca2df645fd607c04588e3da390dff00c58f54da70391f5e8e31084a3a95673bb81d4c88fe4eab86c713328ab703f6a6ce5083400a6672f8266f7335
-
SSDEEP
196608:ixm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:8Et0Zak7aIA7kSzj
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
-
Loads dropped DLL 6 IoCs
-
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 63 IoCs
-
Runs net.exe
-
Suspicious use of FindShellTrayWindow 1 IoCs
-
Suspicious use of WriteProcessMemory 27 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tuc3.exe"C:\Users\Admin\AppData\Local\Temp\tuc3.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-IVR1P.tmp\tuc3.tmp"C:\Users\Admin\AppData\Local\Temp\is-IVR1P.tmp\tuc3.tmp" /SL5="$4001C,7257737,121856,C:\Users\Admin\AppData\Local\Temp\tuc3.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
-
-
C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
973KB
MD563beb207aa3ca00c26bb06d1a4061885
SHA13e01c92d6e6ff55cc22d326d1cfb21cd7afbcfe6
SHA2561a60eeb620e8285395452d8dda2a347b20ee5c648fa3c2d6984cdfbbe799a88d
SHA51211165a5e15b21e1d46b48e949228d56daae2acd462c137a3041085be2c61b0bc9033e00c8d0e8f007e5370eecc43ea6b565c7188c84418fefc31c08a00f4735b
-
Filesize
207KB
MD5567a874f73cec88b263d47a71f9facfc
SHA1481ea784af5519647c1c7efcc50ee999872f17cd
SHA256569b36098d121e0bfa487c53127c204e934e42072f2df73cd06aaac453a43fe3
SHA51293fda67307151bc8cbe3f6fd9e3e6d169ccce0e3645761bdd5ce3b39c6a52f12f133bf51eff5256044eb3284a166df7ea8fa83f9d13437ae4e0f8e6b3b41beab
-
Filesize
172KB
MD5acb6158fe356a9de107e7382d0afc325
SHA11a22ac2d15293e0fbd5169e0119b4cba7e704f5e
SHA25625d6806ab98724ec7116e9e0b6b7b7df105046345e0a082a0e95b64c95ecc072
SHA512ea9b3e4932a6dfb06f63d9ba2d16f153251a0315464bd66a0c25176df5acb681cc94a9212052ad3c0839a9d02a0df0ddd769a75924b3b2743daadae4ccba7eca
-
Filesize
1.9MB
MD5df52a591dddd105fbfecd869318807bd
SHA19d2b1508cfc32f28b11caad4b5e658df5027e258
SHA256dffef6b2e311e8e6002cb10f3e12732b378e4cd2be303aa9515b613e88c2ce36
SHA512afefaa33b48597927fa3c58bd55ac391e44912ce7669a0b2d833afce3f27c1a4e0ee3f436530c0a91c7a5728183113598260875728a5e94c4c14e58976e8f283
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
-
Filesize
148KB
-
Filesize
148KB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
632KB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
632KB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
2.2MB
-
Filesize
4KB
-
Filesize
752KB
-
Filesize
4KB