Analysis
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max time kernel
141s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 19:19
Static task
static1
Behavioral task
behavioral1
Sample
d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe
Resource
win10v2004-20240412-en
General
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Target
d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe
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Size
397KB
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MD5
fb1affde150312ad6d8ec598b553d158
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SHA1
de098a20210ff527b764b0a95358982950625008
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SHA256
d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b
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SHA512
1bf59f1bf21a6085a3a089e2c576ded0b88c1d6c482aac4cb8a62ace824adf686b6ddd12208d4011fb45429c1832e168ac991737821d6fc267e8ed2d50a6a7f1
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SSDEEP
6144:4Ia+pYfR7NC9yRjMy0TwJ+r+u0E9HAhRH8XEk+k5mda:HafK490T48wOHQF8HXqa
Malware Config
Signatures
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SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/4736-141-0x0000000000700000-0x00000000007C6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 5076 u1ho.0.exe 2260 run.exe -
Loads dropped DLL 1 IoCs
pid Process 2260 run.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2260 set thread context of 3000 2260 run.exe 86 PID 3000 set thread context of 4736 3000 cmd.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2204 5076 WerFault.exe 79 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2260 run.exe 2260 run.exe 3000 cmd.exe 3000 cmd.exe 4736 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2260 run.exe 3000 cmd.exe 3000 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4736 MSBuild.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2260 run.exe 2260 run.exe 4736 MSBuild.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1932 wrote to memory of 5076 1932 d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe 79 PID 1932 wrote to memory of 5076 1932 d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe 79 PID 1932 wrote to memory of 5076 1932 d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe 79 PID 1932 wrote to memory of 2260 1932 d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe 85 PID 1932 wrote to memory of 2260 1932 d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe 85 PID 1932 wrote to memory of 2260 1932 d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe 85 PID 2260 wrote to memory of 3000 2260 run.exe 86 PID 2260 wrote to memory of 3000 2260 run.exe 86 PID 2260 wrote to memory of 3000 2260 run.exe 86 PID 2260 wrote to memory of 3000 2260 run.exe 86 PID 3000 wrote to memory of 4736 3000 cmd.exe 89 PID 3000 wrote to memory of 4736 3000 cmd.exe 89 PID 3000 wrote to memory of 4736 3000 cmd.exe 89 PID 3000 wrote to memory of 4736 3000 cmd.exe 89 PID 3000 wrote to memory of 4736 3000 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe"C:\Users\Admin\AppData\Local\Temp\d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Users\Admin\AppData\Local\Temp\u1ho.0.exe"C:\Users\Admin\AppData\Local\Temp\u1ho.0.exe"2⤵
- Executes dropped EXE
PID:5076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 13323⤵
- Program crash
PID:2204
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C:\Users\Admin\AppData\Local\Temp\u1ho.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1ho.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5076 -ip 50761⤵PID:2516
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD56680d689a02e66bbb4260061991136d9
SHA1f2d244f1aea0b12e1d594af4e996605299f3638e
SHA256f63379eb911bcbcafd2a4a78f280c6c7c32c2ca5c0b25e5ed26eb2abb2537857
SHA512af6fa6e04eacbc9d1a8d4abb771a94679cfcfaf3797b0560a039277a4e1aaf3a488af6c62c20b282240dd950a0126a60fb0443852b858b950ff283f8983915c5
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Filesize
20KB
MD542c395b8db48b6ce3d34c301d1eba9d5
SHA1b7cfa3de344814bec105391663c0df4a74310996
SHA2565644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA5127b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845
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Filesize
20KB
MD522be08f683bcc01d7a9799bbd2c10041
SHA12efb6041cf3d6e67970135e592569c76fc4c41de
SHA256451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457
SHA5120eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936
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Filesize
252KB
MD53fc101e124f730814a85e7e58f6979ba
SHA1409e336e935e8e078893881c309474cd909f37e8
SHA2561d0cf2609e4792cc26fe75590407d96f8d41e813159518bd06860b17f734f688
SHA5125613ee2a314e3741b8394eae973cab8b12d3fcc3456405206d7da3e8b87e85fceb0f01d2ef5b759e16cd67825a2f89f8af6b3ed5e57581933e9278845bff9fde
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Filesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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Filesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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Filesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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Filesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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Filesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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Filesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273