Analysis
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max time kernel
135s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 19:30
Static task
static1
Behavioral task
behavioral1
Sample
74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe
Resource
win10v2004-20240412-en
General
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Target
74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe
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Size
397KB
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MD5
834d9998a59cc711d68b1af3dd829c48
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SHA1
6e1fb486a22c233ff834bfaac4714f8d7be97fe5
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SHA256
74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e
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SHA512
13318cbc6c1a073e9584400f52e65e4f438980ad798825707f3d958642c064a390c786ede5246c81d8ff58b401f0ef68689b91f8691d73064d5a8eac8a7e2f7a
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SSDEEP
6144:446BCHI5Wdd6OcSXBVBQrUHwGuJWOb+VOpMfwuUoda:b6BwzmOcWBVurURuJWEMYPMa
Malware Config
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/2476-168-0x00000238CD970000-0x00000238D1268000-memory.dmp family_zgrat_v1 behavioral1/memory/2476-170-0x00000238EBAE0000-0x00000238EBBF0000-memory.dmp family_zgrat_v1 behavioral1/memory/2476-174-0x00000238D3140000-0x00000238D3164000-memory.dmp family_zgrat_v1 -
SectopRAT payload 2 IoCs
resource yara_rule behavioral1/memory/4648-210-0x0000000000630000-0x00000000006F6000-memory.dmp family_sectoprat behavioral1/memory/4648-214-0x0000000004E40000-0x0000000004E50000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation u3ak.3.exe -
Executes dropped EXE 3 IoCs
pid Process 2284 u3ak.0.exe 1576 run.exe 4472 u3ak.3.exe -
Loads dropped DLL 1 IoCs
pid Process 1576 run.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1576 set thread context of 3872 1576 run.exe 99 PID 3872 set thread context of 4648 3872 cmd.exe 117 -
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 2000 2284 WerFault.exe 90 2260 4268 WerFault.exe 84 -
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 u3ak.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ak.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ak.3.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 1576 run.exe 1576 run.exe 3872 cmd.exe 3872 cmd.exe 3872 cmd.exe 3872 cmd.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1576 run.exe 3872 cmd.exe 3872 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2476 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 4648 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe 4472 u3ak.3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1576 run.exe 1576 run.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4268 wrote to memory of 2284 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 90 PID 4268 wrote to memory of 2284 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 90 PID 4268 wrote to memory of 2284 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 90 PID 4268 wrote to memory of 1576 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 97 PID 4268 wrote to memory of 1576 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 97 PID 4268 wrote to memory of 1576 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 97 PID 1576 wrote to memory of 3872 1576 run.exe 99 PID 1576 wrote to memory of 3872 1576 run.exe 99 PID 1576 wrote to memory of 3872 1576 run.exe 99 PID 4268 wrote to memory of 4472 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 106 PID 4268 wrote to memory of 4472 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 106 PID 4268 wrote to memory of 4472 4268 74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe 106 PID 1576 wrote to memory of 3872 1576 run.exe 99 PID 4472 wrote to memory of 2476 4472 u3ak.3.exe 116 PID 4472 wrote to memory of 2476 4472 u3ak.3.exe 116 PID 3872 wrote to memory of 4648 3872 cmd.exe 117 PID 3872 wrote to memory of 4648 3872 cmd.exe 117 PID 3872 wrote to memory of 4648 3872 cmd.exe 117 PID 3872 wrote to memory of 4648 3872 cmd.exe 117 PID 3872 wrote to memory of 4648 3872 cmd.exe 117
Processes
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C:\Users\Admin\AppData\Local\Temp\74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe"C:\Users\Admin\AppData\Local\Temp\74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Users\Admin\AppData\Local\Temp\u3ak.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ak.0.exe"2⤵
- Executes dropped EXE
PID:2284 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 10163⤵
- Program crash
PID:2000
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C:\Users\Admin\AppData\Local\Temp\u3ak.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3ak.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:1576 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3872 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4648
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C:\Users\Admin\AppData\Local\Temp\u3ak.3.exe"C:\Users\Admin\AppData\Local\Temp\u3ak.3.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4472 -
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:2476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 17322⤵
- Program crash
PID:2260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2284 -ip 22841⤵PID:4844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4268 -ip 42681⤵PID:4356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD583d304615a4a1c84a84cb47a6351add1
SHA142b7a6a5400230f73f4be440bfbed1d47294feca
SHA2561e27fd788fa45ea5eb3134ada8627e1725d315ba9a252396deeae5ec7c0bc12b
SHA512026049d212e4b51a236831f417c46c8c4036292050f58c685834058527e6b5bd676da67a0561e2a5473b3b4d3a3c30471e9ba3ee59e30afc546c73f1f3b6b300
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Filesize
20KB
MD542c395b8db48b6ce3d34c301d1eba9d5
SHA1b7cfa3de344814bec105391663c0df4a74310996
SHA2565644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA5127b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845
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Filesize
20KB
MD549693267e0adbcd119f9f5e02adf3a80
SHA13ba3d7f89b8ad195ca82c92737e960e1f2b349df
SHA256d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
SHA512b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2
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Filesize
252KB
MD5f9f0b2b6c628789336ab905f82269982
SHA13d98fff19ff36e1bb307e885bc22bf7d2e84e941
SHA256c33bc714fc0af2273157acd48be009b787742f2711fd6d5f81fc0c85a54a4e41
SHA512b9e64e0b46abd7cfabb9e03a83d31a70b28f4a5388d42702b1c8a1e45e576e6dd115148b0629c7ff625fbe88357a334210437ae61f1b8ec73c2949e87495a4fe
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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