Analysis Overview
SHA256
c11e2996e5b8e13cfee2563d6b3feef431acb558f9925024304472142ab1bde7
Threat Level: Known bad
The file Extreme Injector v3.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Blocklisted process makes network request
Downloads MZ/PE file
Sets file to hidden
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-15 02:31
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-15 02:31
Reported
2023-03-15 02:33
Platform
win10v2004-20230221-en
Max time kernel
89s
Max time network
150s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Downloads MZ/PE file
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\service.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\service.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\csrss.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\service.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe
"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"
C:\Users\Admin\AppData\Local\Temp\service.exe
"C:\Users\Admin\AppData\Local\Temp\service.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\config.vbs"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Unrestricted -nologo -command .\service.ps1
C:\Windows\SysWOW64\attrib.exe
"C:\Windows\system32\attrib.exe" +s +h C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe
C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe
"C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "csrss" /tr '"C:\Users\Admin\AppData\Roaming\csrss.exe"' & exit
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCC9C.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "csrss" /tr '"C:\Users\Admin\AppData\Roaming\csrss.exe"'
C:\Users\Admin\AppData\Roaming\csrss.exe
"C:\Users\Admin\AppData\Roaming\csrss.exe"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.68.143:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | filebin.net | udp |
| NO | 185.47.40.36:443 | filebin.net | tcp |
| US | 8.8.8.8:53 | situla.bitbit.net | udp |
| NO | 87.238.33.7:443 | situla.bitbit.net | tcp |
| US | 8.8.8.8:53 | 143.68.20.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36.40.47.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.33.238.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 104.20.68.143:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 7.tcp.eu.ngrok.io | udp |
| DE | 3.126.224.214:15121 | 7.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 214.224.126.3.in-addr.arpa | udp |
| US | 20.189.173.3:443 | tcp | |
| US | 8.8.8.8:53 | 234.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp |
Files
memory/4644-133-0x0000000000400000-0x000000000068C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\service.exe
| MD5 | cc9cbbfa9ccc9cefe75253c65ad22405 |
| SHA1 | f126e2c4431a9eacab858316eaf031fb5e7bc9f1 |
| SHA256 | 4d19771fb289f892626b1b04c120f53d69492ec87df2bfd6809dd6fce8662c3c |
| SHA512 | bbc779e3daf6d9dcf249ba59d99feb34a62fe7f381d74b608fcc8719806eef88a04491983623417c9560f2dfc4858f6e8ec12362cf93e57ca3a78e1984ba2e17 |
C:\Users\Admin\AppData\Local\Temp\service.exe
| MD5 | cc9cbbfa9ccc9cefe75253c65ad22405 |
| SHA1 | f126e2c4431a9eacab858316eaf031fb5e7bc9f1 |
| SHA256 | 4d19771fb289f892626b1b04c120f53d69492ec87df2bfd6809dd6fce8662c3c |
| SHA512 | bbc779e3daf6d9dcf249ba59d99feb34a62fe7f381d74b608fcc8719806eef88a04491983623417c9560f2dfc4858f6e8ec12362cf93e57ca3a78e1984ba2e17 |
C:\Users\Admin\AppData\Local\Temp\service.exe
| MD5 | cc9cbbfa9ccc9cefe75253c65ad22405 |
| SHA1 | f126e2c4431a9eacab858316eaf031fb5e7bc9f1 |
| SHA256 | 4d19771fb289f892626b1b04c120f53d69492ec87df2bfd6809dd6fce8662c3c |
| SHA512 | bbc779e3daf6d9dcf249ba59d99feb34a62fe7f381d74b608fcc8719806eef88a04491983623417c9560f2dfc4858f6e8ec12362cf93e57ca3a78e1984ba2e17 |
C:\Users\Admin\AppData\Local\Temp\RarSFX0\config.vbs
| MD5 | e04e55d2e6cc3d920631fdc5d6dcc1ce |
| SHA1 | 2c4dbcff71f8678623a7c197440ec281804dc5a5 |
| SHA256 | f641a99ec7e549970c81d724766f2a60ff031a5ec92aa6fc84228c82eeb4b4eb |
| SHA512 | 9511fe4dc599187f4539b8cda476550c54e86cbfcaca339a5db12e980ec322bf488d7458bf76089aa1d845f164f7ddb8adea017923d9a4930b9e821b7a4ae998 |
memory/4368-174-0x00000000052C0000-0x00000000052F6000-memory.dmp
memory/4368-175-0x0000000005930000-0x0000000005F58000-memory.dmp
memory/4368-176-0x0000000002F60000-0x0000000002F70000-memory.dmp
memory/4368-177-0x0000000002F60000-0x0000000002F70000-memory.dmp
memory/4368-178-0x0000000006110000-0x0000000006132000-memory.dmp
memory/4368-179-0x00000000061B0000-0x0000000006216000-memory.dmp
memory/4368-185-0x0000000006290000-0x00000000062F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ps1vcy1c.qq1.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4368-190-0x00000000068B0000-0x00000000068CE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RarSFX0\service.ps1
| MD5 | eb9c76ab230c2b8527d504429d7aca20 |
| SHA1 | ca4fc2fcb5023fa8398fc5a0c15e7ad23a61e8cb |
| SHA256 | f985277690d6c85a064bc5d494d20d0774fb5017eaf7874685378c538bd49dbf |
| SHA512 | f791797d8301242f2334767153ae7133193cee75538ce38b9d5fa5b60388428a8808c22eb08dd070f6f7e3ce556cf1f04883285eaa44ddf8aba1bd67886429c2 |
memory/4368-192-0x0000000002F60000-0x0000000002F70000-memory.dmp
memory/4368-193-0x0000000007880000-0x0000000007916000-memory.dmp
memory/4368-194-0x0000000006DB0000-0x0000000006DCA000-memory.dmp
memory/4368-195-0x0000000006E00000-0x0000000006E22000-memory.dmp
memory/4368-196-0x0000000007F20000-0x00000000084C4000-memory.dmp
memory/4368-197-0x0000000008B50000-0x00000000091CA000-memory.dmp
memory/4368-198-0x0000000007BC0000-0x0000000007BF2000-memory.dmp
memory/4368-199-0x000000006F5A0000-0x000000006F5EC000-memory.dmp
memory/4368-209-0x0000000008940000-0x000000000895E000-memory.dmp
memory/4368-210-0x0000000008A70000-0x0000000008A7A000-memory.dmp
memory/4368-211-0x0000000002F60000-0x0000000002F70000-memory.dmp
memory/4368-212-0x0000000002F60000-0x0000000002F70000-memory.dmp
memory/4368-213-0x0000000008B30000-0x0000000008B3E000-memory.dmp
memory/4368-214-0x0000000009350000-0x000000000936A000-memory.dmp
memory/4368-215-0x0000000009330000-0x0000000009338000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe
| MD5 | d2053aeb9216c3040b40e67d72578669 |
| SHA1 | 3a33aab579e13bac21c4966b4e2491cee400155f |
| SHA256 | 8bd23941838cd09c9e3aba327a8ab6e8d78f2d5325ec790ec30e2963420ab2df |
| SHA512 | 8baf916842fc62aa743ca62851130d9552da8c3edc90d8b468bd154454bc643bb9d6474301a5414bccdd381d743b0dcaccb9683f7571b9f06d216a3ee754518f |
memory/4368-218-0x0000000002F60000-0x0000000002F70000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp2DD2.exe
| MD5 | d2053aeb9216c3040b40e67d72578669 |
| SHA1 | 3a33aab579e13bac21c4966b4e2491cee400155f |
| SHA256 | 8bd23941838cd09c9e3aba327a8ab6e8d78f2d5325ec790ec30e2963420ab2df |
| SHA512 | 8baf916842fc62aa743ca62851130d9552da8c3edc90d8b468bd154454bc643bb9d6474301a5414bccdd381d743b0dcaccb9683f7571b9f06d216a3ee754518f |
memory/4520-221-0x00000000003B0000-0x00000000003C6000-memory.dmp
memory/4520-223-0x000000001C660000-0x000000001C670000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpCC9C.tmp.bat
| MD5 | d2fcd0491a68ee4ce690b7cdb59a60da |
| SHA1 | 380a6e13d8502a2549112aae8a9ffa98fd744a0c |
| SHA256 | d566498c3411c209aa4ae31587bd3038e987940489fa66d0edde474304b5f751 |
| SHA512 | 3f6b42cbbbc6a52d917973a3756f7b23687ffe2b3c6f7c0a82cee494c6fa1f2e245bbfcabfece8846be8efdae10f4bd253ce02dc962f64ec9831bae2d4ce9b3b |
C:\Users\Admin\AppData\Roaming\csrss.exe
| MD5 | d2053aeb9216c3040b40e67d72578669 |
| SHA1 | 3a33aab579e13bac21c4966b4e2491cee400155f |
| SHA256 | 8bd23941838cd09c9e3aba327a8ab6e8d78f2d5325ec790ec30e2963420ab2df |
| SHA512 | 8baf916842fc62aa743ca62851130d9552da8c3edc90d8b468bd154454bc643bb9d6474301a5414bccdd381d743b0dcaccb9683f7571b9f06d216a3ee754518f |
C:\Users\Admin\AppData\Roaming\csrss.exe
| MD5 | d2053aeb9216c3040b40e67d72578669 |
| SHA1 | 3a33aab579e13bac21c4966b4e2491cee400155f |
| SHA256 | 8bd23941838cd09c9e3aba327a8ab6e8d78f2d5325ec790ec30e2963420ab2df |
| SHA512 | 8baf916842fc62aa743ca62851130d9552da8c3edc90d8b468bd154454bc643bb9d6474301a5414bccdd381d743b0dcaccb9683f7571b9f06d216a3ee754518f |
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-15 02:31
Reported
2023-03-15 02:33
Platform
win7-20230220-en
Max time kernel
31s
Max time network
33s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\service.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe
"C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"
C:\Users\Admin\AppData\Local\Temp\service.exe
"C:\Users\Admin\AppData\Local\Temp\service.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\config.vbs"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Unrestricted -nologo -command .\service.ps1
Network
Files
memory/1744-54-0x0000000000400000-0x000000000068C000-memory.dmp
\Users\Admin\AppData\Local\Temp\service.exe
| MD5 | cc9cbbfa9ccc9cefe75253c65ad22405 |
| SHA1 | f126e2c4431a9eacab858316eaf031fb5e7bc9f1 |
| SHA256 | 4d19771fb289f892626b1b04c120f53d69492ec87df2bfd6809dd6fce8662c3c |
| SHA512 | bbc779e3daf6d9dcf249ba59d99feb34a62fe7f381d74b608fcc8719806eef88a04491983623417c9560f2dfc4858f6e8ec12362cf93e57ca3a78e1984ba2e17 |
C:\Users\Admin\AppData\Local\Temp\service.exe
| MD5 | cc9cbbfa9ccc9cefe75253c65ad22405 |
| SHA1 | f126e2c4431a9eacab858316eaf031fb5e7bc9f1 |
| SHA256 | 4d19771fb289f892626b1b04c120f53d69492ec87df2bfd6809dd6fce8662c3c |
| SHA512 | bbc779e3daf6d9dcf249ba59d99feb34a62fe7f381d74b608fcc8719806eef88a04491983623417c9560f2dfc4858f6e8ec12362cf93e57ca3a78e1984ba2e17 |
C:\Users\Admin\AppData\Local\Temp\service.exe
| MD5 | cc9cbbfa9ccc9cefe75253c65ad22405 |
| SHA1 | f126e2c4431a9eacab858316eaf031fb5e7bc9f1 |
| SHA256 | 4d19771fb289f892626b1b04c120f53d69492ec87df2bfd6809dd6fce8662c3c |
| SHA512 | bbc779e3daf6d9dcf249ba59d99feb34a62fe7f381d74b608fcc8719806eef88a04491983623417c9560f2dfc4858f6e8ec12362cf93e57ca3a78e1984ba2e17 |
C:\Users\Admin\AppData\Local\Temp\RarSFX0\config.vbs
| MD5 | e04e55d2e6cc3d920631fdc5d6dcc1ce |
| SHA1 | 2c4dbcff71f8678623a7c197440ec281804dc5a5 |
| SHA256 | f641a99ec7e549970c81d724766f2a60ff031a5ec92aa6fc84228c82eeb4b4eb |
| SHA512 | 9511fe4dc599187f4539b8cda476550c54e86cbfcaca339a5db12e980ec322bf488d7458bf76089aa1d845f164f7ddb8adea017923d9a4930b9e821b7a4ae998 |
memory/1968-72-0x0000000002680000-0x00000000026C0000-memory.dmp
memory/1968-73-0x0000000002680000-0x00000000026C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RarSFX0\service.ps1
| MD5 | eb9c76ab230c2b8527d504429d7aca20 |
| SHA1 | ca4fc2fcb5023fa8398fc5a0c15e7ad23a61e8cb |
| SHA256 | f985277690d6c85a064bc5d494d20d0774fb5017eaf7874685378c538bd49dbf |
| SHA512 | f791797d8301242f2334767153ae7133193cee75538ce38b9d5fa5b60388428a8808c22eb08dd070f6f7e3ce556cf1f04883285eaa44ddf8aba1bd67886429c2 |
memory/1968-75-0x0000000002680000-0x00000000026C0000-memory.dmp