Analysis
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max time kernel
150s -
max time network
152s -
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 12:45
Static task
static1
Behavioral task
behavioral1
Sample
bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe
Resource
win10v2004-20240412-en
General
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Target
bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe
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Size
423KB
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MD5
dcc50ec1cc74d2f605b455885e781f40
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SHA1
594447e41168142a701dff4ce16182f50921a064
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SHA256
bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4
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SHA512
23422811b4c3ba39b9f4a44654e9547e6e42e8bbac857f02ce086686572860d9964674fc67d8a4020c4794f6bcf98311be51fd0f3dfc6b910bd4f118975886b5
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SSDEEP
6144:4LLIBZxDP7MoSoKdtpeK1W8ChvqkTLNfhR4hSoLSnfVF+YlkAo:0LmHD7nFKdtYK3ChvhhR4hTQVHlkAo
Malware Config
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/1552-213-0x000001ECBEE90000-0x000001ECC2788000-memory.dmp family_zgrat_v1 behavioral1/memory/1552-215-0x000001ECDD130000-0x000001ECDD240000-memory.dmp family_zgrat_v1 behavioral1/memory/1552-219-0x000001ECC4590000-0x000001ECC45B4000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral1/memory/2720-129-0x0000000000D00000-0x0000000000DC6000-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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation u3d4.3.exe -
Executes dropped EXE 3 IoCs
pid Process 4456 u3d4.0.exe 4468 run.exe 4164 u3d4.3.exe -
Loads dropped DLL 1 IoCs
pid Process 4468 run.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4468 set thread context of 4132 4468 run.exe 104 PID 4132 set thread context of 2720 4132 cmd.exe 110 -
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 3840 4456 WerFault.exe 95 5004 4360 WerFault.exe 85 -
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 u3d4.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3d4.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3d4.3.exe -
Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 4468 run.exe 4468 run.exe 4468 run.exe 4132 cmd.exe 4132 cmd.exe 4132 cmd.exe 4132 cmd.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 4468 run.exe 4132 cmd.exe 4132 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2720 MSBuild.exe Token: SeDebugPrivilege 1552 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe 4164 u3d4.3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4468 run.exe 4468 run.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4360 wrote to memory of 4456 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 95 PID 4360 wrote to memory of 4456 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 95 PID 4360 wrote to memory of 4456 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 95 PID 4360 wrote to memory of 4468 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 103 PID 4360 wrote to memory of 4468 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 103 PID 4360 wrote to memory of 4468 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 103 PID 4468 wrote to memory of 4132 4468 run.exe 104 PID 4468 wrote to memory of 4132 4468 run.exe 104 PID 4468 wrote to memory of 4132 4468 run.exe 104 PID 4468 wrote to memory of 4132 4468 run.exe 104 PID 4132 wrote to memory of 2720 4132 cmd.exe 110 PID 4132 wrote to memory of 2720 4132 cmd.exe 110 PID 4132 wrote to memory of 2720 4132 cmd.exe 110 PID 4132 wrote to memory of 2720 4132 cmd.exe 110 PID 4132 wrote to memory of 2720 4132 cmd.exe 110 PID 4360 wrote to memory of 4164 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 111 PID 4360 wrote to memory of 4164 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 111 PID 4360 wrote to memory of 4164 4360 bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe 111 PID 4164 wrote to memory of 1552 4164 u3d4.3.exe 119 PID 4164 wrote to memory of 1552 4164 u3d4.3.exe 119
Processes
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C:\Users\Admin\AppData\Local\Temp\bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe"C:\Users\Admin\AppData\Local\Temp\bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Users\Admin\AppData\Local\Temp\u3d4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3d4.0.exe"2⤵
- Executes dropped EXE
PID:4456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 10123⤵
- Program crash
PID:3840
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C:\Users\Admin\AppData\Local\Temp\u3d4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3d4.2\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:4468 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2720
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C:\Users\Admin\AppData\Local\Temp\u3d4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3d4.3.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:4164 -
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:1552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 10042⤵
- Program crash
PID:5004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4456 -ip 44561⤵PID:2484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4360 -ip 43601⤵PID:2096
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD51f76cea20601935d1f94e78f9ad54d4b
SHA13cc7eaeb0ea1d2aff5b1e57e1109db303eaa0166
SHA256be412f5eb860f05988041e67766029c298c95f947e5b74e88cdae4a657cb5065
SHA512d53d3f66dce182c1d0d1f004319a644cd0fe61691b30fa585d5f03efc5d8c112171a1cf1b6c569ead44bcad9cdfc5d47990ad4274de7101474b8d4b8855f4921
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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
279KB
MD5ce973cd51fa98b694da3eff7cc2f18a4
SHA18288ebe7f7d07075208160212d240aee5cdc1ad3
SHA256543281e6bc99b7e20ce3719d1fb2d3a8d34d62fd5153d233022c42ee1cc48ed7
SHA51216ec39ed84b8edfaec9fdfb362686ab8008bbf0d6dbaf03dd16d8b9d59faae76a757758c0edf3264e3adeae791c199db15eebcc4c09848923c2e738661befb2d
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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