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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:35
Static task
static1
Behavioral task
behavioral1
Sample
7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe
Resource
win10v2004-20240508-en
General
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Target
7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe
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Size
384KB
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MD5
3d4ce3bb2e576cb652ffbcf92ac6b832
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SHA1
733ba86aa7b923c107ba48710e0ffa7f2fbd339c
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SHA256
7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc
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SHA512
b53f430eba5fd6748b67c1a34e6188c09ad5dc52327c070bb812e176b92b83c1a35cfa0053d5d5921b94012ae9b5e97c3ec6d3ea111d224a901d6604095263be
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SSDEEP
6144:CvNcF7Kk1SAa5i2mfLPrzOMWRTco+7ASGdHhyUZwS4:CvNo+nAa5gnXo+c8aT4
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/2448-67-0x000002C33F5E0000-0x000002C342E14000-memory.dmp family_zgrat_v1 behavioral2/memory/2448-68-0x000002C35D890000-0x000002C35D99A000-memory.dmp family_zgrat_v1 behavioral2/memory/2448-72-0x000002C35D460000-0x000002C35D484000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3152 u3i4.0.exe 2284 u3i4.1.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 656 4540 WerFault.exe 80 1804 3152 WerFault.exe 83 -
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 u3i4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3i4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3i4.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3i4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3i4.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3152 u3i4.0.exe 3152 u3i4.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2448 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe 2284 u3i4.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4540 wrote to memory of 3152 4540 7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe 83 PID 4540 wrote to memory of 3152 4540 7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe 83 PID 4540 wrote to memory of 3152 4540 7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe 83 PID 4540 wrote to memory of 2284 4540 7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe 86 PID 4540 wrote to memory of 2284 4540 7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe 86 PID 4540 wrote to memory of 2284 4540 7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe 86 PID 2284 wrote to memory of 2448 2284 u3i4.1.exe 91 PID 2284 wrote to memory of 2448 2284 u3i4.1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe"C:\Users\Admin\AppData\Local\Temp\7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3152 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 13723⤵
- Program crash
PID:1804
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C:\Users\Admin\AppData\Local\Temp\u3i4.1.exe"C:\Users\Admin\AppData\Local\Temp\u3i4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2284 -
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:2448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 7042⤵
- Program crash
PID:656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4540 -ip 45401⤵PID:2460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3152 -ip 31521⤵PID:1496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5832b7765312b74c4c3e236bc631e3c2b
SHA1ace66c656661d11d6eecf9390aef3cf4b36360e9
SHA256ebf0769201b791ed8d382ab2b096bdf5e019db21c07ae290d53e7465e68b9475
SHA51269d7196d6f4fa1950a53985b081a2c57678685b0d333827fe1f8e1f0f8396f20f04fa5012aeddb09262c501fcfe344d4cb20e9a9e47d42ab7ea229fc9d45676d
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Filesize
217KB
MD51485fe25a6d2bc50d097656c434822f1
SHA1b8a4f204a92bad32df0e6af82a4ae04d71910ba9
SHA256044d3469fd7a09f42ba4d342604e002f0ba770528747ba6d3cb7c4b77a975be6
SHA51218346906dd80342281579602860c514f8e535bf25b3a0f1abe56f08aab52f203323b8d279e8df7c3723acf989aa0d438866675c22095386f8632a543b5dceaf0
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954