Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 10:45
Static task
static1
Behavioral task
behavioral1
Sample
01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe
Resource
win11-20240508-en
General
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Target
01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe
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Size
373KB
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MD5
6646ce0700d19a7de14da68ee446ba30
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SHA1
38b511346413c74967eeca1a0c50cf084c7e6d8c
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SHA256
01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1
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SHA512
fab4269cea37ed76ca9e29145fc7c1d3b69e4ac38318026c93e8c47a564ac307d17a4b73cb1cebddbf5106abb7165ae2aac622d8aa22c287a4b48b7f0b05c8c2
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SSDEEP
6144:GdiHaAVjjHTJvO5rWNmgKlJcB9BRcCwJJxDOejznC3lP6v2sbnz533+S9I:skaAVjL9vO5UmgGJc9KywnCJsbn8S9I
Malware Config
Extracted
stealc
default100
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation u5s.1.exe -
Executes dropped EXE 2 IoCs
pid Process 2636 u5s.0.exe 3500 u5s.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2636 u5s.0.exe 2636 u5s.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 2 IoCs
pid pid_target Process procid_target 3616 208 WerFault.exe 82 4740 2636 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u5s.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u5s.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u5s.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 u5s.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u5s.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2636 u5s.0.exe 2636 u5s.0.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4980 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe 3500 u5s.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 208 wrote to memory of 2636 208 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe 89 PID 208 wrote to memory of 2636 208 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe 89 PID 208 wrote to memory of 2636 208 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe 89 PID 208 wrote to memory of 3500 208 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe 95 PID 208 wrote to memory of 3500 208 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe 95 PID 208 wrote to memory of 3500 208 01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe 95 PID 3500 wrote to memory of 4980 3500 u5s.1.exe 105 PID 3500 wrote to memory of 4980 3500 u5s.1.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe"C:\Users\Admin\AppData\Local\Temp\01bc3e1b8cbd5fb66f32536422fadecc7fbf1510427be58036dda38248efaac1.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Users\Admin\AppData\Local\Temp\u5s.0.exe"C:\Users\Admin\AppData\Local\Temp\u5s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2636 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 23803⤵
- Program crash
PID:4740
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C:\Users\Admin\AppData\Local\Temp\u5s.1.exe"C:\Users\Admin\AppData\Local\Temp\u5s.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:3500 -
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:4980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 9762⤵
- Program crash
PID:3616
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 208 -ip 2081⤵PID:4316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2636 -ip 26361⤵PID:1048
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
3KB
MD5d85f8fda65d28fd26a1bfe9601cc5ddf
SHA1db2173b5b81c815edfb19cc937dae4b0916135e4
SHA256bad4bc4568446f1c748237f623821f23693c914540cbe4a5e290292a87a50c99
SHA512a639fabe547393873170b8fd401b8f07297f7bd4f78f652f05a35291bf5af62cd539ce779eef67e70c811e00fc1eefdcb22bc78e1806b21488a24975f30f06c5
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Filesize
239KB
MD5431c601846123a7b4aa67d75e31a3dfd
SHA10704a6551c01b3b5744e7b743b33ffa5be2b4ced
SHA2560a9eab89753e07a01b1c5e0197acefea9cc05e5f7829823f811e7aa1d7b817b7
SHA51287a0f6eb99baf620b25216ba491f4891154224ad44ecbbe209c5189585d4cc8abea25ef7b34d78608f074c00ce76374fe49252d76b693521363aced52e4cda27
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954