Analysis
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max time kernel
146s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-05-2024 23:49
Static task
static1
Behavioral task
behavioral1
Sample
a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe
Resource
win10v2004-20240508-en
General
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Target
a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe
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Size
384KB
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MD5
532b6faac3b032098e51d3ff801c2474
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SHA1
36e39dc6bd0a16613b85967e0fa7edcad7cf55a7
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SHA256
a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8
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SHA512
0700694d87a51c59dbd14e5405249140cb55e2ab8fc41395ad9c1bbded7f93d751c70b542cea70f95ea2d70deeb68de50513e875bccb60ded2e68f2cc18faa10
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SSDEEP
12288:lvNMaEOh22VwmtX3FLa16B3FuOx6LiBwwM:lVrs25X3V66BoOxvVM
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/3008-65-0x0000023FB68E0000-0x0000023FBA114000-memory.dmp family_zgrat_v1 behavioral2/memory/3008-66-0x0000023FD4980000-0x0000023FD4A8A000-memory.dmp family_zgrat_v1 behavioral2/memory/3008-70-0x0000023FD4880000-0x0000023FD48A4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1724 u17k.0.exe 1964 u17k.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1724 u17k.0.exe 1724 u17k.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 1680 1568 WerFault.exe 77 1056 1724 WerFault.exe 78 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u17k.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u17k.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u17k.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 u17k.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u17k.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1724 u17k.0.exe 1724 u17k.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3008 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe 1964 u17k.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1568 wrote to memory of 1724 1568 a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe 78 PID 1568 wrote to memory of 1724 1568 a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe 78 PID 1568 wrote to memory of 1724 1568 a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe 78 PID 1568 wrote to memory of 1964 1568 a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe 81 PID 1568 wrote to memory of 1964 1568 a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe 81 PID 1568 wrote to memory of 1964 1568 a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe 81 PID 1964 wrote to memory of 3008 1964 u17k.1.exe 86 PID 1964 wrote to memory of 3008 1964 u17k.1.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe"C:\Users\Admin\AppData\Local\Temp\a1dd78e74d48a670c16ed8f0dda553f377bfde9e269623cb71f62ebfcd3f8dd8.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Users\Admin\AppData\Local\Temp\u17k.0.exe"C:\Users\Admin\AppData\Local\Temp\u17k.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1724 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 21043⤵
- Program crash
PID:1056
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C:\Users\Admin\AppData\Local\Temp\u17k.1.exe"C:\Users\Admin\AppData\Local\Temp\u17k.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1964 -
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:3008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 11562⤵
- Program crash
PID:1680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1568 -ip 15681⤵PID:3096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1724 -ip 17241⤵PID:4920
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
3KB
MD56a5a5cddd21feddedc57a328d2485332
SHA165f5ad5a5e8ca858ae0ea9b3bbf235b9da1e32b7
SHA25646cbf8365a70ae62d5f57dec8df6ea8e37cb9bb9a40ee8bc66976352af2d894e
SHA512a3410e555cbed6d8cf45d07a794856997b35b09c4b450edf1bacb2547137f55a985537d6280e40bc658132bb178f1dcc94af9ccac520dc4d53274490dd99434c
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Filesize
206KB
MD50917be53327ea132956255dcab650a82
SHA1b60818917f645a8a9af3b530e3ae37c1f002be2f
SHA256211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a
SHA512a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954