Analysis
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max time kernel
197s -
max time network
300s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
09-05-2024 23:44
Static task
static1
Behavioral task
behavioral1
Sample
fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe
Resource
win7-20240221-en
General
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Target
fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe
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Size
403KB
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MD5
57898e37ce8ca2e0cd1a0e205eb857ae
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SHA1
45eb8c36ef0198d205a68c50190e0983cf6b55b2
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SHA256
fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b
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SHA512
f7fe7d4236070aefcec13c5d4de692ce899328fe989c94fdaeec42d05de0ccb1c7c03c20ab7ed3c23882603199ed7d06ee2371549fd9966325bb1ee8f6472f6a
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SSDEEP
6144:psA3pbjuJg1hDDcvytIS1Kq0j9Or2rGIJl5KBFRvDHf1:psmpbjuJgzbh0BO6Vl0Vvj1
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/2164-84-0x000001A000000000-0x000001A003834000-memory.dmp family_zgrat_v1 behavioral2/memory/2164-85-0x000001A01C660000-0x000001A01C76A000-memory.dmp family_zgrat_v1 behavioral2/memory/2164-89-0x000001A01C2F0000-0x000001A01C314000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 208 u4o.0.exe 1456 u4o.1.exe -
Loads dropped DLL 2 IoCs
pid Process 208 u4o.0.exe 208 u4o.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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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 u4o.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u4o.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u4o.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u4o.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u4o.0.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 208 u4o.0.exe 208 u4o.0.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2164 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe 1456 u4o.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 168 wrote to memory of 208 168 fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe 74 PID 168 wrote to memory of 208 168 fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe 74 PID 168 wrote to memory of 208 168 fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe 74 PID 168 wrote to memory of 1456 168 fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe 76 PID 168 wrote to memory of 1456 168 fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe 76 PID 168 wrote to memory of 1456 168 fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe 76 PID 1456 wrote to memory of 2164 1456 u4o.1.exe 78 PID 1456 wrote to memory of 2164 1456 u4o.1.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe"C:\Users\Admin\AppData\Local\Temp\fcc6a313c45131c32d5f3de0a4f5a6b28355851fbf427782b5908954e31e622b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:168 -
C:\Users\Admin\AppData\Local\Temp\u4o.0.exe"C:\Users\Admin\AppData\Local\Temp\u4o.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:208
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C:\Users\Admin\AppData\Local\Temp\u4o.1.exe"C:\Users\Admin\AppData\Local\Temp\u4o.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1456 -
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:2164
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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
206KB
MD50917be53327ea132956255dcab650a82
SHA1b60818917f645a8a9af3b530e3ae37c1f002be2f
SHA256211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a
SHA512a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571