Analysis Overview
SHA256
be067c2c7c5a474442339d8adc999a0a288d56890d9781e88f536b6183cd398c
Threat Level: Known bad
The file service.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Sets file to hidden
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Drops startup file
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-17 06:26
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-17 06:26
Reported
2023-03-17 06:27
Platform
win10v2004-20230220-en
Max time kernel
35s
Max time network
37s
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 |
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 |
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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\service.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\service.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| 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 |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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\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 .\\tmp8DD7.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE9A9.tmp.bat""
C:\Windows\SysWOW64\timeout.exe
timeout 3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.135.241.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 172.67.34.170:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | cdn-153.anonfiles.com | udp |
| SE | 195.96.151.46:443 | cdn-153.anonfiles.com | tcp |
| US | 8.8.8.8:53 | 170.34.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.151.96.195.in-addr.arpa | udp |
| US | 172.67.34.170:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.112.102:15738 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 102.112.67.3.in-addr.arpa | udp |
| DE | 3.67.112.102:15738 | 5.tcp.eu.ngrok.io | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\RarSFX0\config.vbs
| MD5 | e04e55d2e6cc3d920631fdc5d6dcc1ce |
| SHA1 | 2c4dbcff71f8678623a7c197440ec281804dc5a5 |
| SHA256 | f641a99ec7e549970c81d724766f2a60ff031a5ec92aa6fc84228c82eeb4b4eb |
| SHA512 | 9511fe4dc599187f4539b8cda476550c54e86cbfcaca339a5db12e980ec322bf488d7458bf76089aa1d845f164f7ddb8adea017923d9a4930b9e821b7a4ae998 |
memory/428-140-0x0000000004D90000-0x0000000004DC6000-memory.dmp
memory/428-141-0x0000000005400000-0x0000000005A28000-memory.dmp
memory/428-142-0x0000000005280000-0x00000000052A2000-memory.dmp
memory/428-143-0x0000000005C90000-0x0000000005CF6000-memory.dmp
memory/428-144-0x0000000005D00000-0x0000000005D66000-memory.dmp
memory/428-150-0x0000000004D40000-0x0000000004D50000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tsiv3qho.ovd.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/428-151-0x0000000004D40000-0x0000000004D50000-memory.dmp
memory/428-156-0x0000000006330000-0x000000000634E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RarSFX0\service.ps1
| MD5 | 8a97b217587bf21df5b6be29428a1251 |
| SHA1 | 33bc1ad54acc40f29d1b09767811c4a9f779f9a5 |
| SHA256 | ac975c8129b58f138e0f9880d5d63e6ca9e350c875e09a6dd5c16b40eaa9ea0d |
| SHA512 | 944c4fbbb3e92afad4cb4fc9f675cbe0b12ff3ef371fa1a5acdffb8489d7c7dde6e2cb8c2a1e194db9eba8e7c74db82b91ceaa40bc3f189924adaeae01cc2409 |
memory/428-158-0x0000000004D40000-0x0000000004D50000-memory.dmp
memory/428-159-0x0000000007550000-0x00000000075E6000-memory.dmp
memory/428-160-0x0000000006870000-0x000000000688A000-memory.dmp
memory/428-161-0x00000000068C0000-0x00000000068E2000-memory.dmp
memory/428-162-0x0000000007BD0000-0x0000000008174000-memory.dmp
memory/428-163-0x0000000008800000-0x0000000008E7A000-memory.dmp
memory/428-164-0x0000000007670000-0x00000000076A2000-memory.dmp
memory/428-165-0x000000006F490000-0x000000006F4DC000-memory.dmp
memory/428-175-0x0000000008400000-0x000000000841E000-memory.dmp
memory/428-176-0x0000000008520000-0x000000000852A000-memory.dmp
memory/428-177-0x000000007F670000-0x000000007F680000-memory.dmp
memory/428-178-0x00000000086A0000-0x00000000086AE000-memory.dmp
memory/428-179-0x0000000008700000-0x000000000871A000-memory.dmp
memory/428-180-0x00000000086F0000-0x00000000086F8000-memory.dmp
memory/428-181-0x0000000004D40000-0x0000000004D50000-memory.dmp
memory/428-182-0x0000000004D40000-0x0000000004D50000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe
| MD5 | 6b95c5b02a8c31726cab09fc575423d5 |
| SHA1 | 840aedd363c32d13cf8ec14729f68b9e6c31d374 |
| SHA256 | ec22734717b5451dd8527cf3d564fe450d2a12523e5ec880b9d8c60345f762b9 |
| SHA512 | f6eeb9d5b44617103d96662311db7e483d5c1b7be849d8e99a9d9284dce830d7fcedaf4247d3e45e1823d27ed8ea6df328596744b6ee2de98ccfee0f36f5fb40 |
memory/428-185-0x0000000004D40000-0x0000000004D50000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp8DD7.exe
| MD5 | 6b95c5b02a8c31726cab09fc575423d5 |
| SHA1 | 840aedd363c32d13cf8ec14729f68b9e6c31d374 |
| SHA256 | ec22734717b5451dd8527cf3d564fe450d2a12523e5ec880b9d8c60345f762b9 |
| SHA512 | f6eeb9d5b44617103d96662311db7e483d5c1b7be849d8e99a9d9284dce830d7fcedaf4247d3e45e1823d27ed8ea6df328596744b6ee2de98ccfee0f36f5fb40 |
memory/3856-187-0x0000000000910000-0x0000000000922000-memory.dmp
memory/3856-190-0x0000000005220000-0x0000000005230000-memory.dmp
memory/3856-191-0x0000000005B60000-0x0000000005BFC000-memory.dmp
memory/3856-192-0x0000000005220000-0x0000000005230000-memory.dmp
memory/3856-193-0x0000000007020000-0x0000000007096000-memory.dmp
memory/3856-194-0x0000000006FC0000-0x0000000006FDE000-memory.dmp
memory/3856-195-0x0000000007170000-0x0000000007202000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpE9A9.tmp.bat
| MD5 | 201e036830c697de9ac921e60ebd057c |
| SHA1 | 51a5797aaf13d7917b65eea111485ecd2c424117 |
| SHA256 | b5c79d2bc353cad9ec20c3d79e66d2aed3c15ed20939a9b66c768449d20b1338 |
| SHA512 | 265f0284448e8fd7b84e8622af241aba782a6a578db614217a5081422208e8b45b5d88baa64b033ede20c7e4e146a7b2e099dbe6217bcd08ca6bddbea676c587 |