Analysis Overview
SHA256
72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be
Threat Level: Shows suspicious behavior
The file 72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be was found to be: Shows suspicious behavior.
Malicious Activity Summary
Enumerates connected drives
Sets desktop wallpaper using registry
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Program crash
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-14 23:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-14 23:10
Reported
2024-11-14 23:13
Platform
win7-20240903-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Enumerates connected drives
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\TranscodedWallpaper.jpg" | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\windows\WallPapers.jpg | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
| File created | C:\windows\readme.1xt | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Desktop\General | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2308 wrote to memory of 1864 | N/A | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2308 wrote to memory of 1864 | N/A | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2308 wrote to memory of 1864 | N/A | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2308 wrote to memory of 1864 | N/A | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe
"C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 952
Network
Files
memory/2308-1-0x0000000000400000-0x0000000000485000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\TranscodedWallpaper.jpg
| MD5 | 0d472c9720e55e9c249207de6c69722c |
| SHA1 | 7244426a440a268cb37b49005812b8f20f052776 |
| SHA256 | bc1d3cfb69f97bc930af3af7be8601e60eb1cc78516aa844e41c65e51c316de3 |
| SHA512 | f77bf33604691e0f21f1f3548187153495aad5cd5beb80b409ff50c71502e5303ddb7d64b652edc5b4177bf88e8cee0df914f91b9532b9b1116af32050291cca |
C:\Program Files\7-Zip\7z.cab
| MD5 | 9a1dd1d96481d61934dcc2d568971d06 |
| SHA1 | f136ef9bf8bd2fc753292fb5b7cf173a22675fb3 |
| SHA256 | 8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525 |
| SHA512 | 7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa |
C:\Program Files\7-Zip\7z.exe
| MD5 | 7d349fb7035a5291e548b2f6dcfd668c |
| SHA1 | f092e91bacd7e46a4ae1bd10b13a3045a2f7502e |
| SHA256 | 0d5ef4b74d10e88874547a67000fd453ca7c4e0e4f496525f1664fe06cbdcc1c |
| SHA512 | 0c3f9a6589bc7532519ac9a436a004868a14bff54aa18c8e80c2077818d36d2cf295ea2985c8e8672cc56567d33ae70ea716f66ecdca5da0debc82aeb921c049 |
C:\Program Files\7-Zip\7zFM.cab
| MD5 | 30ac0b832d75598fb3ec37b6f2a8c86a |
| SHA1 | 6f47dbfd6ff36df7ba581a4cef024da527dc3046 |
| SHA256 | 1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74 |
| SHA512 | 505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057 |
C:\Program Files\Common Files\Microsoft Shared\OFFICE14\RCXB503.tmp
| MD5 | f92f6883ff4738d8f8710f414e623069 |
| SHA1 | 29e1b67df116a5b5bb019bbe7a2a50edc1946b76 |
| SHA256 | 23014d03cfa93eedc7df229f43a5969bc138a6475c80efe899efebfc1f526646 |
| SHA512 | 945bdcf1a4ad9c36a180d0b9d8689c5f08f741e3036a02c5017227421d34e8e94d99a9bf216e0f3440bde25763a3824f6a4373de4ba8e7ab8b420ad42d61a274 |
C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.cab
| MD5 | f45a7db6aec433fd579774dfdb3eaa89 |
| SHA1 | 2f8773cc2b720143776a0909d19b98c4954b39cc |
| SHA256 | 2bc2372cfabd26933bc4012046e66a5d2efc9554c0835d1a0aa012d3bd1a6f9a |
| SHA512 | 03a4b7c53373ff6308a0292bb84981dc1566923e93669bbb11cb03d9f58a8d477a1a2399aac5059f477bbf1cf14b17817d208bc7c496b8675ece83cdabec5662 |
C:\Program Files\Google\Chrome\Application\RCXB547.tmp
| MD5 | f8256e1c7bc79d690140a07156a4241d |
| SHA1 | f803e09b02eff4e2db69170b6e63b0fcb1f78908 |
| SHA256 | dbf1fb265fc99ba5da6e5df4a3b4af6ac9360613de5b4cc12aae8e6ec594f962 |
| SHA512 | 5cdda45286f9f2e5aa36a4fc3df9b7168dc4d8a1ce82866dd49829cd4cc026afd55757e7c1ab629f4218f51a2c287627a94608b2eec30a4a25ad65be5a5a48b2 |
C:\Program Files\Google\Chrome\Application\chrome.cab
| MD5 | 095092f4e746810c5829038d48afd55a |
| SHA1 | 246eb3d41194dddc826049bbafeb6fc522ec044a |
| SHA256 | 2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588 |
| SHA512 | 7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400 |
memory/2308-177-0x0000000000400000-0x0000000000485000-memory.dmp
memory/2308-178-0x0000000000400000-0x0000000000485000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-14 23:10
Reported
2024-11-14 23:13
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
135s
Command Line
Signatures
Enumerates connected drives
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\windows\readme.1xt | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
| File created | C:\windows\WallPapers.jpg | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Desktop\General | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" | C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe
"C:\Users\Admin\AppData\Local\Temp\72b8ac452310da80b09c7e5ef25cdf1fa1b2ec47983ebae39bcc3c0fa87b83be.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4308 -ip 4308
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 780
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/4308-0-0x0000000000400000-0x0000000000485000-memory.dmp
C:\Program Files\7-Zip\7z.exe
| MD5 | 1aff57c81d0a2df9a9a05fe23b48e608 |
| SHA1 | 7ab4bc30ab58d5c578ada6937fcb0bc959f3b252 |
| SHA256 | 825d79982d2bebdaa769a139150b87297ab4af60281ed706427ff04cddbc7868 |
| SHA512 | 844af374c32d82a137f6888996898201b938697e5bdf095b1e91f3a21bc8c8ca128d8dd18c8ab6042d43cecf705cb03bfe42f98556b700fd7be27f57d82ab38c |
C:\Program Files\7-Zip\7z.cab
| MD5 | 9a1dd1d96481d61934dcc2d568971d06 |
| SHA1 | f136ef9bf8bd2fc753292fb5b7cf173a22675fb3 |
| SHA256 | 8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525 |
| SHA512 | 7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa |
C:\Program Files\7-Zip\7zFM.cab
| MD5 | 30ac0b832d75598fb3ec37b6f2a8c86a |
| SHA1 | 6f47dbfd6ff36df7ba581a4cef024da527dc3046 |
| SHA256 | 1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74 |
| SHA512 | 505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057 |
C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab
| MD5 | b8d69fa2755c3ab1f12f8866a8e2a4f7 |
| SHA1 | 8e3cdfb20e158c2906323ba0094a18c7dd2aaf2d |
| SHA256 | 7e0976036431640ae1d9f1c0b52bcea5dd37ef86cd3f5304dc8a96459d9483cd |
| SHA512 | 5acac46068b331216978500f67a7fa5257bc5b05133fab6d88280b670ae4885ef2d5d1f531169b66bf1952e082f56b1ad2bc3901479b740f96c53ea405adda18 |
C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXB1A3.tmp
| MD5 | f92f6883ff4738d8f8710f414e623069 |
| SHA1 | 29e1b67df116a5b5bb019bbe7a2a50edc1946b76 |
| SHA256 | 23014d03cfa93eedc7df229f43a5969bc138a6475c80efe899efebfc1f526646 |
| SHA512 | 945bdcf1a4ad9c36a180d0b9d8689c5f08f741e3036a02c5017227421d34e8e94d99a9bf216e0f3440bde25763a3824f6a4373de4ba8e7ab8b420ad42d61a274 |
memory/4308-68-0x0000000000400000-0x0000000000485000-memory.dmp