Analysis Overview
SHA256
d8b31596ab62c0d031fb6565c893a401556fe00287c936c3400221e31c171cbe
Threat Level: Known bad
The file 924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe.zip was found to be: Known bad.
Malicious Activity Summary
FlawedAmmyy RAT
AmmyyAdmin payload
Ammyyadmin family
Checks computer location settings
Modifies data under HKEY_USERS
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-01 15:18
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-01 15:18
Reported
2023-12-01 17:11
Platform
win7-20231020-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
FlawedAmmyy RAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr = 537d56736608796e5f5e4c1059539703c72b317bb26b | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 4d987aae9121fdf42ab05738993014f4b822e1f734eaa944abbb81098eacca0442f5a060c2f7c1a79929996463b343a36db920f1f45f288f21271414419f467f1e6f8c57 | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe
"C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe"
C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe
"C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe
"C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rl.ammyy.com | udp |
| NL | 188.42.129.148:80 | rl.ammyy.com | tcp |
| DE | 136.243.104.242:443 | tcp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 097a18ed7b31114c7ef39ef06eff02f0 |
| SHA1 | 276bb5fc8ab72ed3a447dd57be668ace8f75a7c1 |
| SHA256 | 985b458559939244b777d09d71d6192a13f693b88b046ca904012603a5582812 |
| SHA512 | 168ef05ddb434dd4003748c7cd6ea9ed5c8280506de4473c3b193fffc314b469e85e2474f919f189c9b7ffb16aa741d75900341a9802dae175ad185e1fea3e96 |
C:\ProgramData\AMMYY\hr
| MD5 | 375a8390212ccb650be4fcb6550a1b6b |
| SHA1 | c9690dc2ec50dd7aea8b14ca88c1c1fd2865c5a7 |
| SHA256 | efacb255c29172fccecd0c9bbfd3f0f5a685e2e7e711d000dabac5691b5efbf6 |
| SHA512 | 63be84af87f63083bf45b9e5a85ce9ae1b6186229cbceedf06cbbf92676ef682c4368a4d57c2869e10b63482b1ddb458b85b549def002f49c8e64c1681d2df73 |
C:\ProgramData\AMMYY\hr3
| MD5 | 3bfc9a06afc0c547af1f7fded1ae9c91 |
| SHA1 | a584b9f0fc51b1dbc46ea99fad33ff0fe82ac82f |
| SHA256 | dde6e563a4d70b47638d741401bf00cb2b0556f04db928273ec120b4f282a8fa |
| SHA512 | fd985f65a755ba2cc9b79e83acfcfbbcb806d79be1d4b80a8448bad2d42d02700a6d594f5f216f45bb5c8f77f9759cef9bf9570a3e9dca344479f5ed532cce01 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-01 15:18
Reported
2023-12-01 17:20
Platform
win10v2004-20231127-en
Max time kernel
1s
Max time network
507s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe
"C:\Users\Admin\AppData\Local\Temp\924314d642591e2c6fcfee28a0d69ec1621643c13a5ab1c5cbef973b8b57fb54.exe"