Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
01-04-2024 12:45
Static task
static1
Behavioral task
behavioral1
Sample
b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe
Resource
win10v2004-20240226-en
General
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Target
b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe
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Size
410KB
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MD5
5c0fa38042ee03672a7ad861148e6d88
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SHA1
102f15bdc924fd625c7c3f14a25819b119ddc5a9
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SHA256
b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051
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SHA512
6df23b9f53b37133c227cdf5e6792e44f6ee58a85aedc93e1fa46e9e495a56e3f110f9a24cd6ac4ca062f98089bf56c1e3a52ac8b37c220a2a94e55e5eb28234
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SSDEEP
6144:f/BLpm6tS99lyeglUI5rYdpWr9vcQM848uADTqufNZpZzJPWqNX:f/BLpm6slywIpSwhvfM8JuADT9uqNX
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/216-142-0x0000012ADAC40000-0x0000012ADE538000-memory.dmp family_zgrat_v1 behavioral1/memory/216-144-0x0000012AF8DE0000-0x0000012AF8EF0000-memory.dmp family_zgrat_v1 behavioral1/memory/216-148-0x0000012AF8AF0000-0x0000012AF8B14000-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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation u104.1.exe Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation u104.0.exe Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation BKJJEBKKEH.exe -
Executes dropped EXE 3 IoCs
pid Process 1576 u104.0.exe 1280 u104.1.exe 1788 BKJJEBKKEH.exe -
Loads dropped DLL 2 IoCs
pid Process 1576 u104.0.exe 1576 u104.0.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 4504 1300 WerFault.exe 84 3052 1576 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 u104.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u104.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u104.1.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u104.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u104.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2280 PING.EXE -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 1576 u104.0.exe 1576 u104.0.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 u104.0.exe 1576 u104.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe 1280 u104.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1300 wrote to memory of 1576 1300 b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe 89 PID 1300 wrote to memory of 1576 1300 b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe 89 PID 1300 wrote to memory of 1576 1300 b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe 89 PID 1300 wrote to memory of 1280 1300 b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe 91 PID 1300 wrote to memory of 1280 1300 b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe 91 PID 1300 wrote to memory of 1280 1300 b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe 91 PID 1280 wrote to memory of 216 1280 u104.1.exe 103 PID 1280 wrote to memory of 216 1280 u104.1.exe 103 PID 1576 wrote to memory of 5028 1576 u104.0.exe 105 PID 1576 wrote to memory of 5028 1576 u104.0.exe 105 PID 1576 wrote to memory of 5028 1576 u104.0.exe 105 PID 5028 wrote to memory of 1788 5028 cmd.exe 109 PID 5028 wrote to memory of 1788 5028 cmd.exe 109 PID 5028 wrote to memory of 1788 5028 cmd.exe 109 PID 1788 wrote to memory of 4288 1788 BKJJEBKKEH.exe 110 PID 1788 wrote to memory of 4288 1788 BKJJEBKKEH.exe 110 PID 1788 wrote to memory of 4288 1788 BKJJEBKKEH.exe 110 PID 4288 wrote to memory of 2280 4288 cmd.exe 112 PID 4288 wrote to memory of 2280 4288 cmd.exe 112 PID 4288 wrote to memory of 2280 4288 cmd.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe"C:\Users\Admin\AppData\Local\Temp\b67bd7a7c352167da426620126385a34bfa4673efbc8397a1b2d36d6704a9051.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Users\Admin\AppData\Local\Temp\u104.0.exe"C:\Users\Admin\AppData\Local\Temp\u104.0.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:1576 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKJJEBKKEH.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\BKJJEBKKEH.exe"C:\Users\Admin\AppData\Local\Temp\BKJJEBKKEH.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1788 -
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\BKJJEBKKEH.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:2280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 23643⤵
- Program crash
PID:3052
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C:\Users\Admin\AppData\Local\Temp\u104.1.exe"C:\Users\Admin\AppData\Local\Temp\u104.1.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:1280 -
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:216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 12162⤵
- Program crash
PID:4504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1300 -ip 13001⤵PID:3468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1576 -ip 15761⤵PID:4012
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
268KB
MD53e1e8709474df25e4c4cbfac47701fc9
SHA19845a690f6c10d2d68d39637d46dbc238763501a
SHA25607d5b5d440312add7ca4b0b55cadaa3770df47e61907e0e3b4c80b4ac775fd54
SHA51210c66705d847d70c5edd169c9b10c4da94885fb1a94a9c488bf02de39700de5c8709e2bff1c99e26b3393e77c8785977f7e29ff2ba8940417c1495dfe6712bc4
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954