Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2024, 12:39
Static task
static1
Behavioral task
behavioral1
Sample
1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe
Resource
win11-20240419-en
General
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Target
1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe
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Size
347KB
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MD5
8cbb249cdad2ae39a85492c691939ffc
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SHA1
9afd97156b1cefc6e0cd300623517d9d7c9dceee
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SHA256
1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4
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SHA512
d6a1173d3dc7f85eb1c4940f21c896b4a290d538b67450a3185fbd3552945f22642a83896380ebf8cdaed7818c62d2c16a84d1714061f7f2356ccbb40916f0d6
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SSDEEP
6144:B0zWKrKBpVw9PVu+AJdTvClKgvkWJG1HYcVABLulAGeJa:ukfw9PqduMVW41HnWlqreJa
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 behavioral1/memory/2572-193-0x0000025E313A0000-0x0000025E34C98000-memory.dmp family_zgrat_v1 behavioral1/memory/2572-194-0x0000025E503D0000-0x0000025E504E0000-memory.dmp family_zgrat_v1 behavioral1/memory/2572-201-0x0000025E501E0000-0x0000025E50204000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral1/memory/2456-246-0x0000000000D80000-0x0000000000E46000-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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation u3t4.3.exe -
Executes dropped EXE 3 IoCs
pid Process 1896 u3t4.0.exe 5112 run.exe 3436 u3t4.3.exe -
Loads dropped DLL 3 IoCs
pid Process 5112 run.exe 1896 u3t4.0.exe 1896 u3t4.0.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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5112 set thread context of 1348 5112 run.exe 88 PID 1348 set thread context of 2456 1348 cmd.exe 99 -
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 3036 4936 WerFault.exe 80 1400 1896 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3t4.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3t4.3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3t4.3.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 u3t4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3t4.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 5112 run.exe 5112 run.exe 1896 u3t4.0.exe 1896 u3t4.0.exe 1348 cmd.exe 1348 cmd.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1896 u3t4.0.exe 1896 u3t4.0.exe 2456 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 5112 run.exe 1348 cmd.exe 1348 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2572 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 2456 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe 3436 u3t4.3.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5112 run.exe 5112 run.exe 2456 MSBuild.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4936 wrote to memory of 1896 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 85 PID 4936 wrote to memory of 1896 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 85 PID 4936 wrote to memory of 1896 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 85 PID 4936 wrote to memory of 5112 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 87 PID 4936 wrote to memory of 5112 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 87 PID 4936 wrote to memory of 5112 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 87 PID 5112 wrote to memory of 1348 5112 run.exe 88 PID 5112 wrote to memory of 1348 5112 run.exe 88 PID 5112 wrote to memory of 1348 5112 run.exe 88 PID 4936 wrote to memory of 3436 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 90 PID 4936 wrote to memory of 3436 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 90 PID 4936 wrote to memory of 3436 4936 1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe 90 PID 5112 wrote to memory of 1348 5112 run.exe 88 PID 3436 wrote to memory of 2572 3436 u3t4.3.exe 97 PID 3436 wrote to memory of 2572 3436 u3t4.3.exe 97 PID 1348 wrote to memory of 2456 1348 cmd.exe 99 PID 1348 wrote to memory of 2456 1348 cmd.exe 99 PID 1348 wrote to memory of 2456 1348 cmd.exe 99 PID 1348 wrote to memory of 2456 1348 cmd.exe 99 PID 1348 wrote to memory of 2456 1348 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe"C:\Users\Admin\AppData\Local\Temp\1787b6ad4a484b9103dd80c56c3c38b94ea638efff196d7e05eacecec51454a4.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Users\Admin\AppData\Local\Temp\u3t4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3t4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1896 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 23963⤵
- Program crash
PID:1400
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C:\Users\Admin\AppData\Local\Temp\u3t4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3t4.2\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:5112 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1348 -
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:2456
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C:\Users\Admin\AppData\Local\Temp\u3t4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3t4.3.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:3436 -
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:2572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 16082⤵
- Program crash
PID:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4936 -ip 49361⤵PID:4304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1896 -ip 18961⤵PID:2368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
1.4MB
MD55a1c943a5b4d20fe523e3bb1cd84c2db
SHA1f3454fd6c4b9a9d5afa08c06da6e4ad3fb590f0f
SHA2569057c19b0af304b327eb01a896999ae4ee2bf29636e26612c47e6467fba0842b
SHA512955f8092a9093a0cbe09b670f014fa79f5093f9f1ea55109d462a25a80d8b7d0105a9a99018a0f8798514ac0b0150dc3decc0b41b74a498d5773913ebc937261
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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
203KB
MD54d228ea1db6e72d952b1087bd680a425
SHA1b749daf103c2ecc96311429492db3f6c32e13b95
SHA256d37f54aa31485a49ae8d66d29e1d235cad52c576403da0785b82df6dab97db29
SHA512e94cfd9ba32d38c2cacef0af6c495574cc909867196a1687cbb2c3800f9adc6ab126d177533af632b1ad6d412d339e63619e3588a7e67ec716516935f80b61e6
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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