Analysis
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max time kernel
129s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-04-2024 16:02
Static task
static1
Behavioral task
behavioral1
Sample
a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe
Resource
win10v2004-20240419-en
General
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Target
a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe
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Size
347KB
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MD5
b6516621eb8e71838afaffe1a06c88cb
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SHA1
dd58301bf4f7ae30a48f81051e84ba2b481c1ba8
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SHA256
a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431
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SHA512
c598690e4a4edd459e05c62b76deadcaee83a7a64c996c6393b308fb75bb9e212b4f88bf11040c5c60926545336c4054c9e0f7c84f90727b44455c6e7e43e8ee
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SSDEEP
6144:b4ZQNIo0QKjHUGwo2ve4u5b85/k1sZtl8OguSDU4pt3hdno/:boQNUQ+HUGj2v4981MsXl87uSDU4pe/
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/3340-235-0x00000221278A0000-0x000002212B198000-memory.dmp family_zgrat_v1 behavioral2/memory/3340-236-0x0000022145A80000-0x0000022145B90000-memory.dmp family_zgrat_v1 behavioral2/memory/3340-240-0x000002212CFF0000-0x000002212D014000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/1380-271-0x0000000000500000-0x00000000005C6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 4228 u2kw.0.exe 1800 run.exe 4984 u2kw.3.exe -
Loads dropped DLL 3 IoCs
pid Process 1800 run.exe 4228 u2kw.0.exe 4228 u2kw.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 1800 set thread context of 2976 1800 run.exe 81 PID 2976 set thread context of 1380 2976 cmd.exe 93 -
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 2784 3344 WerFault.exe 76 4060 4228 WerFault.exe 77 -
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 u2kw.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kw.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kw.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 u2kw.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2kw.0.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 1800 run.exe 1800 run.exe 4228 u2kw.0.exe 4228 u2kw.0.exe 4228 u2kw.0.exe 4228 u2kw.0.exe 2976 cmd.exe 2976 cmd.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1800 run.exe 2976 cmd.exe 2976 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3340 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 1380 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe 4984 u2kw.3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1800 run.exe 1800 run.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3344 wrote to memory of 4228 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 77 PID 3344 wrote to memory of 4228 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 77 PID 3344 wrote to memory of 4228 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 77 PID 3344 wrote to memory of 1800 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 80 PID 3344 wrote to memory of 1800 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 80 PID 3344 wrote to memory of 1800 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 80 PID 1800 wrote to memory of 2976 1800 run.exe 81 PID 1800 wrote to memory of 2976 1800 run.exe 81 PID 1800 wrote to memory of 2976 1800 run.exe 81 PID 3344 wrote to memory of 4984 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 83 PID 3344 wrote to memory of 4984 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 83 PID 3344 wrote to memory of 4984 3344 a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe 83 PID 1800 wrote to memory of 2976 1800 run.exe 81 PID 4984 wrote to memory of 3340 4984 u2kw.3.exe 90 PID 4984 wrote to memory of 3340 4984 u2kw.3.exe 90 PID 2976 wrote to memory of 1380 2976 cmd.exe 93 PID 2976 wrote to memory of 1380 2976 cmd.exe 93 PID 2976 wrote to memory of 1380 2976 cmd.exe 93 PID 2976 wrote to memory of 1380 2976 cmd.exe 93 PID 2976 wrote to memory of 1380 2976 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe"C:\Users\Admin\AppData\Local\Temp\a41c93f1f584aee3a5e1ebd9f197a119a8e6bceabe2bbbd4d3e922aee12f6431.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Users\Admin\AppData\Local\Temp\u2kw.0.exe"C:\Users\Admin\AppData\Local\Temp\u2kw.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4228 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 24483⤵
- Program crash
PID:4060
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C:\Users\Admin\AppData\Local\Temp\u2kw.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2kw.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:1800 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1380
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C:\Users\Admin\AppData\Local\Temp\u2kw.3.exe"C:\Users\Admin\AppData\Local\Temp\u2kw.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4984 -
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:3340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 11642⤵
- Program crash
PID:2784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3344 -ip 33441⤵PID:232
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4228 -ip 42281⤵PID:4884
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
MD517faef441deff815982032cbe3106292
SHA1ee7cbfb7bd814ad787619fd75b22ed1513b37970
SHA2561085a9944fe3ebfff5aaca0fdbc21e3380ad21552358520060721f1238940853
SHA512da4c381d716ba370257ee4ca87b864fcbc31e2ba42309c5eff0c7384b8460be8eb5035c2c4f91401286f009d6b46cc7d82c6be9f067da1d3ad9247614b2b45ca
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Filesize
2KB
MD581b9599c5a4b6c599195e2925a897e1c
SHA130488e187d37cd5a56bf367290b7779202ad3bcf
SHA2563a20001cb3b391b766dc731c4fc8eebee2f0d799f0a9f54b78c522f5e148616a
SHA5122c7222a6a3a8792a857cf7358639aba0ae91e96f87a0732e728e7f9c6ec7f2f58f4b90780c79d1cc94bd8b5820e093e89b5afcb312a74408d4e7b324fcac485e
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Filesize
3KB
MD5f6ee6936667c4c9205f28e9f05ffbe1b
SHA1100ecdbec8945665c7255993c0a784484fd5cc10
SHA2568a7f84b95b0fbff117dba40b5087b529c57f030f8dc6453a47189d640eb39e08
SHA512e65576b1f5b78c0e7e8c1928225d3035bb64dffbe8ebd71e5d5b46b63cefef2c5dd2738318f445d0caabd847af08a269bc4b6a8a9625c584eea7ae799fada066
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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
203KB
MD5dce5dad83235fc6ed6a3be41c8a0c65a
SHA15322656bca0aca1f65ff6a8b9cc0a3f569ef9b73
SHA2561f1e0fe8ed308f9eeb39dac12c4a1b880effc6c512b4d5f8222987a9cd260308
SHA5126539754abe61b14abe3113304ff62eb90bf6abf38748d61c72c9b39cc23b36ee3a4fcd27f501528bb8d0bcdd505e7fbb7da30c425a4f7a267a96a106f530f190
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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