Analysis
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max time kernel
145s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-05-2024 05:01
Static task
static1
Behavioral task
behavioral1
Sample
3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe
Resource
win10v2004-20240426-en
General
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Target
3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe
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Size
357KB
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MD5
a9e226e426009396e811b5447833f70f
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SHA1
96cf9fcf371d332c55ef119ee8b3af8955ba2fbf
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SHA256
3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db
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SHA512
f8b3dc52b84ed3022d0980808dac3f124ed107798ef7383d05bcd19bb2ca0456829b9014465e171829886712e0dd02989842724c3b84b0e0f658e2e15263bc66
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SSDEEP
6144:Eb1oPfz7v/xnKaYwsK+R4VWFvd7qw5Q88pTrO3p4B/2rowNroQFLtNLZBINdz/:k6n/JbYyw563OKsCQFLtpDKz/
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/4736-226-0x000001B224F50000-0x000001B228848000-memory.dmp family_zgrat_v1 behavioral2/memory/4736-227-0x000001B2431A0000-0x000001B2432B0000-memory.dmp family_zgrat_v1 behavioral2/memory/4736-231-0x000001B242F70000-0x000001B242F94000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/3540-274-0x0000000000D00000-0x0000000000DC6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 3264 u1xs.0.exe 2460 run.exe 4980 u1xs.3.exe -
Loads dropped DLL 3 IoCs
pid Process 2460 run.exe 3264 u1xs.0.exe 3264 u1xs.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 2460 set thread context of 1192 2460 run.exe 86 PID 1192 set thread context of 3540 1192 cmd.exe 96 -
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 3500 2512 WerFault.exe 79 1792 3264 WerFault.exe 82 -
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 u1xs.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1xs.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1xs.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 u1xs.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1xs.0.exe -
Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 2460 run.exe 2460 run.exe 3264 u1xs.0.exe 3264 u1xs.0.exe 1192 cmd.exe 1192 cmd.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3264 u1xs.0.exe 3264 u1xs.0.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2460 run.exe 1192 cmd.exe 1192 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4736 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 3540 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe 4980 u1xs.3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2460 run.exe 2460 run.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2512 wrote to memory of 3264 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 82 PID 2512 wrote to memory of 3264 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 82 PID 2512 wrote to memory of 3264 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 82 PID 2512 wrote to memory of 2460 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 85 PID 2512 wrote to memory of 2460 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 85 PID 2512 wrote to memory of 2460 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 85 PID 2460 wrote to memory of 1192 2460 run.exe 86 PID 2460 wrote to memory of 1192 2460 run.exe 86 PID 2460 wrote to memory of 1192 2460 run.exe 86 PID 2512 wrote to memory of 4980 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 88 PID 2512 wrote to memory of 4980 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 88 PID 2512 wrote to memory of 4980 2512 3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe 88 PID 2460 wrote to memory of 1192 2460 run.exe 86 PID 4980 wrote to memory of 4736 4980 u1xs.3.exe 93 PID 4980 wrote to memory of 4736 4980 u1xs.3.exe 93 PID 1192 wrote to memory of 3540 1192 cmd.exe 96 PID 1192 wrote to memory of 3540 1192 cmd.exe 96 PID 1192 wrote to memory of 3540 1192 cmd.exe 96 PID 1192 wrote to memory of 3540 1192 cmd.exe 96 PID 1192 wrote to memory of 3540 1192 cmd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe"C:\Users\Admin\AppData\Local\Temp\3b81cf93df6e5fc0ec6c6dd23b897906df4df8b669a833a2fa748407831496db.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\u1xs.0.exe"C:\Users\Admin\AppData\Local\Temp\u1xs.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3264 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 24603⤵
- Program crash
PID:1792
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C:\Users\Admin\AppData\Local\Temp\u1xs.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1xs.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:2460 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
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C:\Users\Admin\AppData\Local\Temp\u1xs.3.exe"C:\Users\Admin\AppData\Local\Temp\u1xs.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4980 -
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:4736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 11562⤵
- Program crash
PID:3500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2512 -ip 25121⤵PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3264 -ip 32641⤵PID:3988
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
1.4MB
MD5aa0e124a74010041d12b21b2e7e3e213
SHA175635a2ec49896ea00d22afaf327be0638fb3a9a
SHA256ba72a7925087bbe6f264521e7865e59482e9300829df622d0cf9a28bdc406259
SHA51226ac577fe1d4e12c8a3c48f4266ef2e557883303705c70f9e903ef74d2a5a6d08ef9938d4cc89e2b6bb9f76146030e7a38dd940a88d9e4a355c79bfd3cee2fa3
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Filesize
2KB
MD5f12428100d58500039511fb034c966bb
SHA14fc896484b9b76362dd715d1be1f3060753ae5be
SHA256da00397de009e209fbcb9025b5394e9e89f72a4c337c2a2267cb5a8decd6c7aa
SHA512a4c752d1235c4f1b1ce40487cd224392f6548a5da7e1374385a423cc6aae433379f5c52af4c7c1dae6ef8f02c03741e397299d4bb46a466a813ca8b35d209c83
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Filesize
20KB
MD542c395b8db48b6ce3d34c301d1eba9d5
SHA1b7cfa3de344814bec105391663c0df4a74310996
SHA2565644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA5127b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845
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Filesize
20KB
MD522be08f683bcc01d7a9799bbd2c10041
SHA12efb6041cf3d6e67970135e592569c76fc4c41de
SHA256451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457
SHA5120eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936
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Filesize
212KB
MD545e123b5f3a97f951544f570dbbcf8d6
SHA15e3017ff624bc0674d2c5e3939894e89bbb98f98
SHA25617190c746e9d36b5e92ba6f3f52c6bd3e876051dae475bb1a2da3728e6d54bed
SHA512a43c894fcf7c851d35be7b2fe33dc369d05f10448cfcdb8fcd95578f8e29ef7c675848963491a9813207393d248db5e8a9d986f131b23ce60fd3e3a79ceb6e19
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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