Analysis Overview
SHA256
c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5
Threat Level: Known bad
The file c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5 was found to be: Known bad.
Malicious Activity Summary
SectopRAT
SectopRAT payload
Stealc
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-27 12:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-27 12:15
Reported
2024-04-27 12:18
Platform
win10v2004-20240419-en
Max time kernel
66s
Max time network
50s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5.exe
"C:\Users\Admin\AppData\Local\Temp\c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1120 -ip 1120
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 728
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| DE | 185.172.128.228:80 | tcp | |
| DE | 185.172.128.203:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
Files
memory/1120-2-0x0000000002EE0000-0x0000000002F4D000-memory.dmp
memory/1120-1-0x0000000002BC0000-0x0000000002CC0000-memory.dmp
memory/1120-3-0x0000000000400000-0x0000000002B1F000-memory.dmp
memory/1120-6-0x0000000002BC0000-0x0000000002CC0000-memory.dmp
memory/1120-7-0x0000000002EE0000-0x0000000002F4D000-memory.dmp
memory/1120-8-0x0000000000400000-0x0000000002B1F000-memory.dmp
memory/1120-11-0x0000000000400000-0x0000000002B1F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-27 12:15
Reported
2024-04-27 12:18
Platform
win11-20240426-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
SectopRAT
SectopRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stealc
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1916 set thread context of 3836 | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3836 set thread context of 3524 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\u32k.0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\u32k.0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.0.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5.exe
"C:\Users\Admin\AppData\Local\Temp\c4fe8cdeb88bcf53388a069bbb60a3dd49c4a08008c2fa8af0977120c8ddc0a5.exe"
C:\Users\Admin\AppData\Local\Temp\u32k.0.exe
"C:\Users\Admin\AppData\Local\Temp\u32k.0.exe"
C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3980 -ip 3980
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 720
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.228:80 | 185.172.128.228 | tcp |
| DE | 185.172.128.203:80 | 185.172.128.203 | tcp |
| US | 8.8.8.8:53 | 228.128.172.185.in-addr.arpa | udp |
| RO | 176.97.76.106:80 | note.padd.cn.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| RU | 91.215.85.66:15647 | tcp | |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
Files
memory/3980-2-0x0000000002FD0000-0x000000000303D000-memory.dmp
memory/3980-1-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/3980-3-0x0000000000400000-0x0000000002B1F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u32k.0.exe
| MD5 | 9eb5a607c56159b2a5569300fa44eb37 |
| SHA1 | e673c076c31a6c994514f8d5f139151cba1855da |
| SHA256 | be7d6e1a28e18cf4aca88a1dc2bd00790d7916f258fd19347cc79553757bbf82 |
| SHA512 | 7a64af4bae254163116bb7950931b944862d31d3f08926c45e9e7739be6380b237b58ff9efb225a3a171b28fbf8f01d901d434532b73a295736bbdda9c3c97ce |
memory/3588-17-0x0000000002F80000-0x0000000002FA7000-memory.dmp
memory/3588-16-0x0000000002CD0000-0x0000000002DD0000-memory.dmp
memory/3588-18-0x0000000000400000-0x0000000002AFA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u32k.1.zip
| MD5 | 78d3ca6355c93c72b494bb6a498bf639 |
| SHA1 | 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e |
| SHA256 | a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001 |
| SHA512 | 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea |
C:\Users\Admin\AppData\Local\Temp\u32k.2\run.exe
| MD5 | 9fb4770ced09aae3b437c1c6eb6d7334 |
| SHA1 | fe54b31b0db8665aa5b22bed147e8295afc88a03 |
| SHA256 | a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3 |
| SHA512 | 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256 |
C:\Users\Admin\AppData\Local\Temp\u32k.2\relay.dll
| MD5 | 10d51becd0bbce0fab147ff9658c565e |
| SHA1 | 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a |
| SHA256 | 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed |
| SHA512 | 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29 |
C:\Users\Admin\AppData\Local\Temp\u32k.2\whale.dbf
| MD5 | a723bf46048e0bfb15b8d77d7a648c3e |
| SHA1 | 8952d3c34e9341e4425571e10f22b782695bb915 |
| SHA256 | b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422 |
| SHA512 | ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273 |
C:\Users\Admin\AppData\Local\Temp\u32k.2\bunch.dat
| MD5 | 1e8237d3028ab52821d69099e0954f97 |
| SHA1 | 30a6ae353adda0c471c6ed5b7a2458b07185abf2 |
| SHA256 | 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742 |
| SHA512 | a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3 |
memory/1916-104-0x0000000072510000-0x000000007268D000-memory.dmp
memory/1916-105-0x00007FFC6A820000-0x00007FFC6AA29000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u32k.2\UIxMarketPlugin.dll
| MD5 | d1ba9412e78bfc98074c5d724a1a87d6 |
| SHA1 | 0572f98d78fb0b366b5a086c2a74cc68b771d368 |
| SHA256 | cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15 |
| SHA512 | 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f |
memory/3980-112-0x0000000002FD0000-0x000000000303D000-memory.dmp
memory/3980-111-0x0000000000400000-0x0000000002B1F000-memory.dmp
memory/1916-113-0x0000000072510000-0x000000007268D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\a5f2c599
| MD5 | 451982de1f62a6cf0a5e86a6f23851b1 |
| SHA1 | 39e82016146acee5e63f03b650a89d21476113da |
| SHA256 | fa2d68a5d54ff919ddd3250bc8e1766bdf1b4a7345f63312cfbb72db601d4194 |
| SHA512 | d2454b73adba0e3c2220ad550b6fdf7a0e33d4f17b6a82c949e5ea0cb8b8b3e9322240447884ce7403b7f07d599d5be5cadfa485052f71dbf2f27bd5d2d4b5ae |
memory/3588-116-0x0000000000400000-0x0000000002AFA000-memory.dmp
memory/3836-117-0x00007FFC6A820000-0x00007FFC6AA29000-memory.dmp
memory/3588-120-0x0000000002CD0000-0x0000000002DD0000-memory.dmp
memory/3836-121-0x0000000072510000-0x000000007268D000-memory.dmp
memory/3524-124-0x00000000711F0000-0x0000000072507000-memory.dmp
memory/3524-127-0x0000000000B00000-0x0000000000BC6000-memory.dmp
memory/3524-128-0x0000000005250000-0x00000000052E2000-memory.dmp
memory/3524-129-0x00000000058A0000-0x0000000005E46000-memory.dmp
memory/3524-130-0x00000000055A0000-0x0000000005762000-memory.dmp
memory/3524-131-0x00000000053D0000-0x0000000005446000-memory.dmp
memory/3524-132-0x0000000005320000-0x0000000005370000-memory.dmp
memory/3524-133-0x0000000005220000-0x000000000522A000-memory.dmp
memory/3588-134-0x0000000000400000-0x0000000002AFA000-memory.dmp
memory/3588-137-0x0000000000400000-0x0000000002AFA000-memory.dmp
memory/3524-140-0x00000000065C0000-0x0000000006AEC000-memory.dmp
memory/3524-141-0x0000000006090000-0x00000000060AE000-memory.dmp
memory/3524-142-0x0000000006160000-0x00000000061C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpC84E.tmp
| MD5 | 42c395b8db48b6ce3d34c301d1eba9d5 |
| SHA1 | b7cfa3de344814bec105391663c0df4a74310996 |
| SHA256 | 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d |
| SHA512 | 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845 |
C:\Users\Admin\AppData\Local\Temp\tmpC880.tmp
| MD5 | 22be08f683bcc01d7a9799bbd2c10041 |
| SHA1 | 2efb6041cf3d6e67970135e592569c76fc4c41de |
| SHA256 | 451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457 |
| SHA512 | 0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936 |
memory/3588-161-0x0000000000400000-0x0000000002AFA000-memory.dmp
memory/3588-164-0x0000000000400000-0x0000000002AFA000-memory.dmp