Analysis
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max time kernel
131s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/04/2024, 20:07
Static task
static1
Behavioral task
behavioral1
Sample
92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe
Resource
win10v2004-20240226-en
General
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Target
92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe
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Size
438KB
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MD5
dcb197eee01d724eb2d384bc20a56835
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SHA1
c71cf864b7294ba3b916a52301490c8a276ef019
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SHA256
92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b
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SHA512
332273bb95c3ca9181e9f8bbd29deabbd1239669a5e2c5848ea316f01753296d295890ebaa81be4631069eaeb200c838e3097a6309f17aeacdd1e7e1c4862ff8
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SSDEEP
6144:OqGjek9bnH1xmXt/lk80aaE72OZjj8C+0jTCBDPduTPQ6sdVjQr5tvwv0:75yoXQ1aaE72ajjxjTC9P4TPCLjOtw0
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/4888-117-0x0000019D81110000-0x0000019D84A08000-memory.dmp family_zgrat_v1 behavioral1/memory/4888-119-0x0000019DA01C0000-0x0000019DA02D0000-memory.dmp family_zgrat_v1 behavioral1/memory/4888-123-0x0000019D86740000-0x0000019D86764000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation u3ss.1.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation u3ss.0.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation DAFBGHCAKK.exe -
Executes dropped EXE 3 IoCs
pid Process 4812 u3ss.0.exe 2252 u3ss.1.exe 4524 DAFBGHCAKK.exe -
Loads dropped DLL 2 IoCs
pid Process 4812 u3ss.0.exe 4812 u3ss.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 1 IoCs
pid pid_target Process procid_target 4476 4812 WerFault.exe 89 -
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 u3ss.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ss.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ss.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 u3ss.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3ss.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3768 PING.EXE -
Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 4812 u3ss.0.exe 4812 u3ss.0.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4812 u3ss.0.exe 4812 u3ss.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4888 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe 2252 u3ss.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4924 wrote to memory of 4812 4924 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe 89 PID 4924 wrote to memory of 4812 4924 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe 89 PID 4924 wrote to memory of 4812 4924 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe 89 PID 4924 wrote to memory of 2252 4924 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe 94 PID 4924 wrote to memory of 2252 4924 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe 94 PID 4924 wrote to memory of 2252 4924 92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe 94 PID 2252 wrote to memory of 4888 2252 u3ss.1.exe 100 PID 2252 wrote to memory of 4888 2252 u3ss.1.exe 100 PID 4812 wrote to memory of 3772 4812 u3ss.0.exe 103 PID 4812 wrote to memory of 3772 4812 u3ss.0.exe 103 PID 4812 wrote to memory of 3772 4812 u3ss.0.exe 103 PID 3772 wrote to memory of 4524 3772 cmd.exe 107 PID 3772 wrote to memory of 4524 3772 cmd.exe 107 PID 3772 wrote to memory of 4524 3772 cmd.exe 107 PID 4524 wrote to memory of 4400 4524 DAFBGHCAKK.exe 109 PID 4524 wrote to memory of 4400 4524 DAFBGHCAKK.exe 109 PID 4524 wrote to memory of 4400 4524 DAFBGHCAKK.exe 109 PID 4400 wrote to memory of 3768 4400 cmd.exe 111 PID 4400 wrote to memory of 3768 4400 cmd.exe 111 PID 4400 wrote to memory of 3768 4400 cmd.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe"C:\Users\Admin\AppData\Local\Temp\92e7a9f7696f57e49ce8b75842db90bd6e827119e1864693b2c4d4b59e1ea16b.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Users\Admin\AppData\Local\Temp\u3ss.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ss.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe"C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DAFBGHCAKK.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:3768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 24483⤵
- Program crash
PID:4476
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C:\Users\Admin\AppData\Local\Temp\u3ss.1.exe"C:\Users\Admin\AppData\Local\Temp\u3ss.1.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:2252 -
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:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4812 -ip 48121⤵PID:1256
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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
297KB
MD51ccfa346ba7e39281121caa7c82d69c1
SHA1d4c27b9f9da6deb80ed70c8075f2b0b4d079ceda
SHA256f17c98698727f37c53f661c5a429017c28ade0316604dba0b5299b8177561e6c
SHA512f0f9f061606a7065d9e14219a6c41db839eed4985285d2859bdc1e81d78aec8d686e4a85c8beca55f7aa55826269318aaeccb7dc78bbd97de21ca0d798e47690
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954