Analysis
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max time kernel
128s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 13:18
Static task
static1
Behavioral task
behavioral1
Sample
3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe
Resource
win10v2004-20240226-en
General
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Target
3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe
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Size
378KB
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MD5
e59ad382ebe9af3c0c747009e860a171
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SHA1
64173991a52a1916c7760a02c687d4685653b670
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SHA256
3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42
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SHA512
5431adb8ea1c75d6569ca8743614c9c45e8bb1f00e0218f868c859bdf5230c09d0a8686394d925158ba992f942a1e07c32ff08fd77aa4f7cdb348c6ff6cbee42
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SSDEEP
6144:AwSQES4tWjmeWeWhDwpP1b9GdhDmeqtEuvKJpBLX1tbLUpok7F:RdES40jmeWypP1xGdhZiEnpBLX1tGVF
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/832-141-0x0000022BC4160000-0x0000022BC7A58000-memory.dmp family_zgrat_v1 behavioral1/memory/832-143-0x0000022BE22B0000-0x0000022BE23C0000-memory.dmp family_zgrat_v1 behavioral1/memory/832-147-0x0000022BE2130000-0x0000022BE2154000-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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation u32o.1.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation u32o.0.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation FHCBGDAAFB.exe -
Executes dropped EXE 3 IoCs
pid Process 5068 u32o.0.exe 884 u32o.1.exe 1580 FHCBGDAAFB.exe -
Loads dropped DLL 2 IoCs
pid Process 5068 u32o.0.exe 5068 u32o.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 1940 3984 WerFault.exe 84 220 5068 WerFault.exe 91 -
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 u32o.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32o.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32o.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 u32o.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u32o.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2716 PING.EXE -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 5068 u32o.0.exe 5068 u32o.0.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5068 u32o.0.exe 5068 u32o.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 832 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe 884 u32o.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3984 wrote to memory of 5068 3984 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe 91 PID 3984 wrote to memory of 5068 3984 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe 91 PID 3984 wrote to memory of 5068 3984 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe 91 PID 3984 wrote to memory of 884 3984 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe 95 PID 3984 wrote to memory of 884 3984 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe 95 PID 3984 wrote to memory of 884 3984 3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe 95 PID 884 wrote to memory of 832 884 u32o.1.exe 103 PID 884 wrote to memory of 832 884 u32o.1.exe 103 PID 5068 wrote to memory of 3156 5068 u32o.0.exe 106 PID 5068 wrote to memory of 3156 5068 u32o.0.exe 106 PID 5068 wrote to memory of 3156 5068 u32o.0.exe 106 PID 3156 wrote to memory of 1580 3156 cmd.exe 110 PID 3156 wrote to memory of 1580 3156 cmd.exe 110 PID 3156 wrote to memory of 1580 3156 cmd.exe 110 PID 1580 wrote to memory of 4796 1580 FHCBGDAAFB.exe 111 PID 1580 wrote to memory of 4796 1580 FHCBGDAAFB.exe 111 PID 1580 wrote to memory of 4796 1580 FHCBGDAAFB.exe 111 PID 4796 wrote to memory of 2716 4796 cmd.exe 113 PID 4796 wrote to memory of 2716 4796 cmd.exe 113 PID 4796 wrote to memory of 2716 4796 cmd.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe"C:\Users\Admin\AppData\Local\Temp\3af0ce733eb180c167d348a987847ab374487def7fff4136326818e53a61db42.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Users\Admin\AppData\Local\Temp\u32o.0.exe"C:\Users\Admin\AppData\Local\Temp\u32o.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:5068 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FHCBGDAAFB.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Users\Admin\AppData\Local\Temp\FHCBGDAAFB.exe"C:\Users\Admin\AppData\Local\Temp\FHCBGDAAFB.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1580 -
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\FHCBGDAAFB.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:2716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 23123⤵
- Program crash
PID:220
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C:\Users\Admin\AppData\Local\Temp\u32o.1.exe"C:\Users\Admin\AppData\Local\Temp\u32o.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:884 -
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:832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 15202⤵
- Program crash
PID:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3984 -ip 39841⤵PID:2308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 5068 -ip 50681⤵PID:716
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
2KB
MD5f047c9f3aa059e001df9a5eb34e2483b
SHA15eddf2df08500a9dac5ec95980991f8608a3d192
SHA2562e452b0dac4bf4cbbdaf4e6f0d0464094ca8e762d7151dfc3e711fecc6c68bdd
SHA512bd16e40369f336ec97e2caaa5dd96541a1f32c0dbe3982f92941ccf17109cda51577f43d1df43e16cf4f7fd0fb938cbf9bfdd441af545179077d3261c2e285aa
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Filesize
233KB
MD5f72b709d9035f640a2c956b31a8ce3c4
SHA1f3099c66a9a9c3911829fea4b4ea1bd115d99400
SHA256c876b4560eaf2681ac8a5c330b48ba49391b1ec280eb85695271659275e3c5ae
SHA5120212009f59034fe1c5f3cbec2d91280201ebd662668fa95f8843d818cecf32e02792b4dd19b89c424ad10571afd3896441aedc714d0a9442b1295370f476c8a8
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954