Analysis
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max time kernel
147s -
max time network
150s -
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 07:21
Static task
static1
Behavioral task
behavioral1
Sample
b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe
Resource
win10v2004-20240226-en
General
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Target
b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe
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Size
412KB
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MD5
eebf02d8ebb09ff74e8ecc7ee78dae86
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SHA1
8bb9dd2f597df5a2489d23629f0d1b2c20d56e81
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SHA256
b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1
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SHA512
9bc9add6acf5972bf169235ba57e12aadb9da0cbcd26141c9b12543a57048ec9beb635e7c65d37d9fdda1ba2be27d40b9b9f14495556a2ccd0c6aff5f2a4f500
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SSDEEP
6144:S3vNF93i2XZW6NlsS8qNSRk73O9B0qppnH9oH6F:MNd5H7+9n7dQ6F
Malware Config
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/2100-171-0x000001F7E70C0000-0x000001F7EA9B8000-memory.dmp family_zgrat_v1 behavioral2/memory/2100-173-0x000001F7ED1F0000-0x000001F7ED300000-memory.dmp family_zgrat_v1 behavioral2/memory/2100-177-0x000001F7EC7E0000-0x000001F7EC804000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/4696-215-0x0000000001150000-0x0000000001216000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 3456 u2z4.0.exe 1900 run.exe 4868 u2z4.3.exe -
Loads dropped DLL 1 IoCs
pid Process 1900 run.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1900 set thread context of 4548 1900 run.exe 91 PID 4548 set thread context of 4696 4548 cmd.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 1776 3456 WerFault.exe 82 1316 3856 WerFault.exe 80 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z4.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z4.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z4.3.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 1900 run.exe 1900 run.exe 4548 cmd.exe 4548 cmd.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1900 run.exe 4548 cmd.exe 4548 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2100 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 4696 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe 4868 u2z4.3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1900 run.exe 1900 run.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3856 wrote to memory of 3456 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 82 PID 3856 wrote to memory of 3456 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 82 PID 3856 wrote to memory of 3456 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 82 PID 3856 wrote to memory of 1900 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 90 PID 3856 wrote to memory of 1900 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 90 PID 3856 wrote to memory of 1900 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 90 PID 1900 wrote to memory of 4548 1900 run.exe 91 PID 1900 wrote to memory of 4548 1900 run.exe 91 PID 1900 wrote to memory of 4548 1900 run.exe 91 PID 1900 wrote to memory of 4548 1900 run.exe 91 PID 3856 wrote to memory of 4868 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 94 PID 3856 wrote to memory of 4868 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 94 PID 3856 wrote to memory of 4868 3856 b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe 94 PID 4868 wrote to memory of 2100 4868 u2z4.3.exe 97 PID 4868 wrote to memory of 2100 4868 u2z4.3.exe 97 PID 4548 wrote to memory of 4696 4548 cmd.exe 100 PID 4548 wrote to memory of 4696 4548 cmd.exe 100 PID 4548 wrote to memory of 4696 4548 cmd.exe 100 PID 4548 wrote to memory of 4696 4548 cmd.exe 100 PID 4548 wrote to memory of 4696 4548 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe"C:\Users\Admin\AppData\Local\Temp\b3e994250bc97edfbca59f952c62edf11be488d7d25a540ebcba4a3230b9d8f1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"2⤵
- Executes dropped EXE
PID:3456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 10923⤵
- Program crash
PID:1776
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C:\Users\Admin\AppData\Local\Temp\u2z4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.2\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:1900 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4696
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C:\Users\Admin\AppData\Local\Temp\u2z4.3.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 15402⤵
- Program crash
PID:1316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3456 -ip 34561⤵PID:804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3856 -ip 38561⤵PID:2340
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5302d2618a67c24e6b0878060b3d56a19
SHA1fad413061b811639b1ea60e66eff55200fd58bff
SHA256b34cd21bde4637020fbe8d063a353a4ba3bc3a00bc84c0874907f2e8555839b4
SHA51261aa09e4781fa7770c48284610c1d97c2773982677dd4f64a0cfd0fb5f43a240460b6e3fbb435a9f0aa6f22a4b5ca19dafb59b8f0bbb455c1bd97164eeb53240
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Filesize
2KB
MD522362711c8cf0edd60c5630167b656b5
SHA1e472e5bd73800a1726cbfa35396b0fc85c4f56d8
SHA25689c72a25b6adb9e11051fd8e92a83b1df2d0d126dce9d1110699239c62e64a9e
SHA5121b61c55fb2df9ef2a02761d583f683e186ea797b20330df4a6ba7f642588e17b888cf3e9d1c8ed2dfb751e8488f0b9619f8577fac0da42db32b897580a358c51
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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
272KB
MD574b818f861dfd211e8db02620b407889
SHA15f4a7ddb0fe2397282eaf8d605163f649751af14
SHA2568a44beea88733d38861d837377fb270613ca1f5f9c6ce7658c6899f82910d3eb
SHA51272c79a7398617f1968e14ab01f2f218e976206d1fdcbb4dced7ccb2e93ae69982a95768106a79e2e055e5c547f01197480beaca626e4fbd1bfadb3056a4552bd
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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
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954