Analysis Overview
SHA256
ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b
Threat Level: Known bad
The file ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b was found to be: Known bad.
Malicious Activity Summary
Stealc
SectopRAT payload
SectopRAT
Downloads MZ/PE file
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-27 04:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-27 04:31
Reported
2024-04-27 04:33
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
SectopRAT
SectopRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stealc
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe | N/A |
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3476 set thread context of 4936 | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4936 set thread context of 2752 | 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\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.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\u1n0.0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\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:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\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\u1n0.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe
"C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe"
C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe
"C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe"
C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2124 -ip 2124
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 1152
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 |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 203.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | note.padd.cn.com | udp |
| RO | 176.97.76.106:80 | note.padd.cn.com | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| US | 8.8.8.8:53 | 106.76.97.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 111.128.172.185.in-addr.arpa | udp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| RU | 91.215.85.66:15647 | tcp | |
| US | 8.8.8.8:53 | 66.85.215.91.in-addr.arpa | udp |
| RU | 91.215.85.66:9000 | 91.215.85.66 | tcp |
| US | 8.8.8.8:53 | 133.190.18.2.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 |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/2124-1-0x0000000000A20000-0x0000000000B20000-memory.dmp
memory/2124-2-0x00000000024C0000-0x000000000252D000-memory.dmp
memory/2124-3-0x0000000000400000-0x000000000086B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u1n0.0.exe
| MD5 | 04696ec1f8146c9c1c49df81d25c6f89 |
| SHA1 | 22f64e26ce186c22f7e8a0382ac47ddb2648da38 |
| SHA256 | d878971d46799a0082c3351e2d6e886e029131f37d7c599660e39def2a226f5d |
| SHA512 | 4c65a315b569d376b02bc62ef62a8269ad75972cd6a499ff659aa273941ae81bd9f99d32acc6c6a3447f4b0f77236787cff01c3ffef1e818e4c1aceb546e9e11 |
memory/212-14-0x0000000002E60000-0x0000000002E87000-memory.dmp
memory/212-13-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/212-15-0x0000000000400000-0x0000000002AFC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u1n0.1.zip
| MD5 | 78d3ca6355c93c72b494bb6a498bf639 |
| SHA1 | 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e |
| SHA256 | a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001 |
| SHA512 | 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea |
C:\Users\Admin\AppData\Local\Temp\u1n0.2\run.exe
| MD5 | 9fb4770ced09aae3b437c1c6eb6d7334 |
| SHA1 | fe54b31b0db8665aa5b22bed147e8295afc88a03 |
| SHA256 | a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3 |
| SHA512 | 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256 |
C:\Users\Admin\AppData\Local\Temp\u1n0.2\relay.dll
| MD5 | 10d51becd0bbce0fab147ff9658c565e |
| SHA1 | 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a |
| SHA256 | 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed |
| SHA512 | 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29 |
C:\Users\Admin\AppData\Local\Temp\u1n0.2\bunch.dat
| MD5 | 1e8237d3028ab52821d69099e0954f97 |
| SHA1 | 30a6ae353adda0c471c6ed5b7a2458b07185abf2 |
| SHA256 | 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742 |
| SHA512 | a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3 |
C:\Users\Admin\AppData\Local\Temp\u1n0.2\whale.dbf
| MD5 | a723bf46048e0bfb15b8d77d7a648c3e |
| SHA1 | 8952d3c34e9341e4425571e10f22b782695bb915 |
| SHA256 | b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422 |
| SHA512 | ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273 |
memory/3476-101-0x0000000072F20000-0x000000007309B000-memory.dmp
memory/3476-102-0x00007FFE57BB0000-0x00007FFE57DA5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u1n0.2\UIxMarketPlugin.dll
| MD5 | d1ba9412e78bfc98074c5d724a1a87d6 |
| SHA1 | 0572f98d78fb0b366b5a086c2a74cc68b771d368 |
| SHA256 | cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15 |
| SHA512 | 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f |
memory/2124-108-0x0000000000400000-0x000000000086B000-memory.dmp
memory/2124-109-0x00000000024C0000-0x000000000252D000-memory.dmp
memory/3476-110-0x0000000072F20000-0x000000007309B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\a4ae16cc
| MD5 | cbb876d840070feb31413735ffaa547a |
| SHA1 | c09fa02c9113bbe78c0b02cc022b3386cea31f92 |
| SHA256 | 074ab513cf9056cf341547871ea8711062013ba36a05defa51633ac79a283cf0 |
| SHA512 | 682f4b484f7474ab7189ce9a424c9f83a2a4af6111e474c502b4ba519fc63088563fbee65caea1e129b66c1793bd845b157329a0771a45aeb07617798a0bc532 |
memory/212-113-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/4936-114-0x00007FFE57BB0000-0x00007FFE57DA5000-memory.dmp
memory/212-117-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/4936-118-0x0000000072F20000-0x000000007309B000-memory.dmp
memory/2752-121-0x00000000718A0000-0x0000000072AF4000-memory.dmp
memory/2752-124-0x0000000000E10000-0x0000000000ED6000-memory.dmp
memory/2752-125-0x0000000005500000-0x0000000005592000-memory.dmp
memory/2752-126-0x0000000005B50000-0x00000000060F4000-memory.dmp
memory/2752-127-0x0000000005780000-0x0000000005942000-memory.dmp
memory/2752-128-0x0000000005620000-0x0000000005696000-memory.dmp
memory/2752-129-0x00000000056F0000-0x0000000005740000-memory.dmp
memory/2752-130-0x00000000054E0000-0x00000000054EA000-memory.dmp
memory/2752-131-0x0000000006730000-0x0000000006C5C000-memory.dmp
memory/2752-132-0x0000000006270000-0x000000000628E000-memory.dmp
memory/2752-133-0x0000000006360000-0x00000000063C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpCD45.tmp
| MD5 | 42c395b8db48b6ce3d34c301d1eba9d5 |
| SHA1 | b7cfa3de344814bec105391663c0df4a74310996 |
| SHA256 | 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d |
| SHA512 | 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845 |
C:\Users\Admin\AppData\Local\Temp\tmpCD67.tmp
| MD5 | 49693267e0adbcd119f9f5e02adf3a80 |
| SHA1 | 3ba3d7f89b8ad195ca82c92737e960e1f2b349df |
| SHA256 | d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f |
| SHA512 | b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2 |
memory/2752-152-0x0000000007BA0000-0x0000000007BAA000-memory.dmp
memory/212-153-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/212-156-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/212-159-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/212-162-0x0000000000400000-0x0000000002AFC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-27 04:31
Reported
2024-04-27 04:33
Platform
win11-20240419-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe
"C:\Users\Admin\AppData\Local\Temp\ad75a5e08b52342c80ad44cc715d086365053b53cb58b571db9f80fafb92c01b.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2832 -ip 2832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 488
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.228:80 | tcp | |
| DE | 185.172.128.203:80 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/2832-1-0x0000000000C10000-0x0000000000D10000-memory.dmp
memory/2832-2-0x0000000002610000-0x000000000267D000-memory.dmp
memory/2832-3-0x0000000000400000-0x000000000086B000-memory.dmp
memory/2832-6-0x0000000000C10000-0x0000000000D10000-memory.dmp
memory/2832-7-0x0000000000400000-0x000000000086B000-memory.dmp
memory/2832-10-0x0000000000400000-0x000000000086B000-memory.dmp