Analysis Overview
SHA256
4b4c5aed86e3530fe1a847c367cd0ed5ec050b7d6ff95d09838bea52c9df470a
Threat Level: Known bad
The file hr.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-16 10:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-16 10:39
Reported
2024-06-16 10:41
Platform
win7-20240611-en
Max time kernel
32s
Max time network
59s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1704 set thread context of 2084 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1704 wrote to memory of 2084 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1704 wrote to memory of 2084 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1704 wrote to memory of 2084 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1704 wrote to memory of 2084 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1704 wrote to memory of 2084 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\hr.exe
"C:\Users\Admin\AppData\Local\Temp\hr.exe"
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.196.109:1245 | 206.238.196.109 | tcp |
| HK | 206.238.196.109:43199 | tcp | |
| US | 8.8.8.8:53 | webwhatsapp.cc | udp |
| HK | 8.217.140.110:65503 | webwhatsapp.cc | tcp |
Files
memory/2084-1-0x0000000000080000-0x0000000000099000-memory.dmp
memory/2084-3-0x0000000000080000-0x0000000000099000-memory.dmp
memory/2084-4-0x00000000743AE000-0x00000000743AF000-memory.dmp
memory/2084-5-0x0000000000850000-0x0000000000866000-memory.dmp
memory/2084-6-0x00000000743A0000-0x0000000074A8E000-memory.dmp
memory/2084-14-0x00000000743A0000-0x0000000074A8E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab87C8.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar91BA.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/2084-42-0x00000000743AE000-0x00000000743AF000-memory.dmp
memory/2084-43-0x00000000743A0000-0x0000000074A8E000-memory.dmp
memory/2084-44-0x00000000743A0000-0x0000000074A8E000-memory.dmp
memory/2084-45-0x00000000743A0000-0x0000000074A8E000-memory.dmp
memory/2084-46-0x00000000743A0000-0x0000000074A8E000-memory.dmp
memory/2084-47-0x00000000743A0000-0x0000000074A8E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 10:39
Reported
2024-06-16 10:41
Platform
win10v2004-20240611-en
Max time kernel
35s
Max time network
63s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3352 set thread context of 3904 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3352 wrote to memory of 3904 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 3352 wrote to memory of 3904 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 3352 wrote to memory of 3904 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 3352 wrote to memory of 3904 | N/A | C:\Users\Admin\AppData\Local\Temp\hr.exe | C:\Windows\SysWOW64\explorer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\hr.exe
"C:\Users\Admin\AppData\Local\Temp\hr.exe"
C:\Windows\SysWOW64\explorer.exe
explorer.exe
Network
| Country | Destination | Domain | Proto |
| HK | 206.238.196.109:1245 | 206.238.196.109 | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 109.196.238.206.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| HK | 206.238.196.109:43199 | tcp | |
| US | 8.8.8.8:53 | webwhatsapp.cc | udp |
| HK | 8.217.140.110:65503 | webwhatsapp.cc | tcp |
| US | 8.8.8.8:53 | 110.140.217.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
Files
memory/3904-1-0x0000000000360000-0x0000000000379000-memory.dmp
memory/3904-2-0x00000000734EE000-0x00000000734EF000-memory.dmp
memory/3904-3-0x00000000027F0000-0x0000000002806000-memory.dmp
memory/3904-4-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-5-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-6-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-7-0x00000000050F0000-0x000000000518C000-memory.dmp
memory/3904-8-0x0000000005740000-0x0000000005CE4000-memory.dmp
memory/3904-9-0x0000000005200000-0x0000000005266000-memory.dmp
memory/3904-10-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-11-0x00000000734EE000-0x00000000734EF000-memory.dmp
memory/3904-12-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-13-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-14-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-15-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-16-0x00000000734E0000-0x0000000073C90000-memory.dmp
memory/3904-17-0x00000000734E0000-0x0000000073C90000-memory.dmp