Analysis
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max time kernel
130s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 23:20
Static task
static1
Behavioral task
behavioral1
Sample
8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe
Resource
win10v2004-20240426-en
General
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Target
8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe
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Size
431KB
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MD5
a2f6f2ec1505130da14c2bf6f6cad264
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SHA1
d184c612cf3737532552c99358080fae4bfacca4
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SHA256
8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8
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SHA512
5552bf530343cf6a077f221423b81d21c8f0a33cac212c4e09e4eb3aabdee75dace9a02ccee2ffa0c88a549133adb4e51ee08bee82229ac26fa77ced41c01b59
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SSDEEP
12288:pzE/JXGSxAxt9y/SkVDi0XSOoaOAG634KK1:cXGSx89y/SkdOT6IKu
Malware Config
Signatures
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Detect ZGRat V1 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2464-158-0x000002411D180000-0x0000024120A78000-memory.dmp family_zgrat_v1 behavioral1/memory/2464-159-0x000002413CA80000-0x000002413CB90000-memory.dmp family_zgrat_v1 behavioral1/memory/2464-163-0x000002413AF40000-0x000002413AF64000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/928-194-0x0000000001400000-0x00000000014C6000-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.
Processes:
8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exeu3x4.3.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation u3x4.3.exe -
Executes dropped EXE 3 IoCs
Processes:
u3x4.0.exerun.exeu3x4.3.exepid Process 432 u3x4.0.exe 4044 run.exe 4880 u3x4.3.exe -
Loads dropped DLL 1 IoCs
Processes:
run.exepid Process 4044 run.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
run.execmd.exedescription pid Process procid_target PID 4044 set thread context of 8 4044 run.exe 88 PID 8 set thread context of 928 8 cmd.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 4140 432 WerFault.exe 82 2104 5080 WerFault.exe 79 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u3x4.3.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3x4.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3x4.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3x4.3.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
run.execmd.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeMSBuild.exepid Process 4044 run.exe 4044 run.exe 8 cmd.exe 8 cmd.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 928 MSBuild.exe 928 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
run.execmd.exepid Process 4044 run.exe 8 cmd.exe 8 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeMSBuild.exedescription pid Process Token: SeDebugPrivilege 2464 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 928 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u3x4.3.exepid Process 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u3x4.3.exepid Process 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe 4880 u3x4.3.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
run.exeMSBuild.exepid Process 4044 run.exe 4044 run.exe 928 MSBuild.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exerun.exeu3x4.3.execmd.exedescription pid Process procid_target PID 5080 wrote to memory of 432 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 82 PID 5080 wrote to memory of 432 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 82 PID 5080 wrote to memory of 432 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 82 PID 5080 wrote to memory of 4044 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 87 PID 5080 wrote to memory of 4044 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 87 PID 5080 wrote to memory of 4044 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 87 PID 4044 wrote to memory of 8 4044 run.exe 88 PID 4044 wrote to memory of 8 4044 run.exe 88 PID 4044 wrote to memory of 8 4044 run.exe 88 PID 5080 wrote to memory of 4880 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 90 PID 5080 wrote to memory of 4880 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 90 PID 5080 wrote to memory of 4880 5080 8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe 90 PID 4044 wrote to memory of 8 4044 run.exe 88 PID 4880 wrote to memory of 2464 4880 u3x4.3.exe 94 PID 4880 wrote to memory of 2464 4880 u3x4.3.exe 94 PID 8 wrote to memory of 928 8 cmd.exe 97 PID 8 wrote to memory of 928 8 cmd.exe 97 PID 8 wrote to memory of 928 8 cmd.exe 97 PID 8 wrote to memory of 928 8 cmd.exe 97 PID 8 wrote to memory of 928 8 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe"C:\Users\Admin\AppData\Local\Temp\8fccb807b4e815a83f1b75c048b85ab71ef3d378aea8909b5c0ec5bdde148fd8.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe"2⤵
- Executes dropped EXE
PID:432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 12803⤵
- Program crash
PID:4140
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C:\Users\Admin\AppData\Local\Temp\u3x4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3x4.2\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:4044 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:8 -
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:928
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C:\Users\Admin\AppData\Local\Temp\u3x4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3x4.3.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:4880 -
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:2464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 16282⤵
- Program crash
PID:2104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 432 -ip 4321⤵PID:4976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5080 -ip 50801⤵PID:5628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5eb27a0f72db91310b16f4a8baf1920f6
SHA1c361fbd2a66cd68b0bfa00db3bc096e4cf04841a
SHA256bb99e929375473a7b68234e554418128bc2e02f251445c33fae571bd8f56e00e
SHA5120db28da38034bbae8ba526060b211b7f5d5042b3cc50fcc22197e8be05a049c0f323f15aeaed01905d11887833c30e290557154e23dbab092653bd7e4a77071b
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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
287KB
MD517342752ec286810d28aa4f324c3e8e5
SHA10b76392265510932c5da48eccd34f12a907a7a52
SHA256bdc140235bca5526e0f1fc88c14adf1ddd7956f27f4357b8d283d31efc767800
SHA5123fe29da5f3263b904d07145677ebdb6035e976f90816dc2c22a5e5932f20eebbe2f36b5ae1f65e8ffb0d1c4256d8e0b44e711714044f2023bb4c7b14ab902f50
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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