Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-04-2024 16:46
Static task
static1
Behavioral task
behavioral1
Sample
4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe
Resource
win10v2004-20240226-en
General
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Target
4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe
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Size
454KB
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MD5
9a38a9072b62dcb797ff51f70c4f38a4
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SHA1
ff0ded874babf4f42f49face51650e5698a19614
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SHA256
4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3
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SHA512
9d924a1a97111b937c14b9777c38db8a42f55b4bc540a82ccb19667de3e4f3d44d51f6b9d83663afc02188178f57f85bedea8e5957c477e88b6244f00d7e5ab2
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SSDEEP
12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6c:2irSI63iTYkogh4DlKrc
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
Processes:
resource yara_rule behavioral1/memory/3408-120-0x0000024518060000-0x000002451B958000-memory.dmp family_zgrat_v1 behavioral1/memory/3408-121-0x0000024537130000-0x0000024537240000-memory.dmp family_zgrat_v1 behavioral1/memory/3408-126-0x0000024535E40000-0x0000024535E64000-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.
Processes:
u21o.1.exeu21o.0.exeDAFBGHCAKK.exe4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation u21o.1.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation u21o.0.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation DAFBGHCAKK.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe -
Executes dropped EXE 3 IoCs
Processes:
u21o.0.exeu21o.1.exeDAFBGHCAKK.exepid Process 3088 u21o.0.exe 3312 u21o.1.exe 2116 DAFBGHCAKK.exe -
Loads dropped DLL 2 IoCs
Processes:
u21o.0.exepid Process 3088 u21o.0.exe 3088 u21o.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
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 1996 2652 WerFault.exe 84 1336 3088 WerFault.exe 88 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u21o.1.exedescription ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u21o.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u21o.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u21o.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u21o.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u21o.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u21o.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
u21o.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid Process 3088 u21o.0.exe 3088 u21o.0.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3088 u21o.0.exe 3088 u21o.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 3408 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u21o.1.exepid Process 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u21o.1.exepid Process 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe 3312 u21o.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exeu21o.1.exeu21o.0.execmd.exeDAFBGHCAKK.execmd.exedescription pid Process procid_target PID 2652 wrote to memory of 3088 2652 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe 88 PID 2652 wrote to memory of 3088 2652 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe 88 PID 2652 wrote to memory of 3088 2652 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe 88 PID 2652 wrote to memory of 3312 2652 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe 92 PID 2652 wrote to memory of 3312 2652 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe 92 PID 2652 wrote to memory of 3312 2652 4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe 92 PID 3312 wrote to memory of 3408 3312 u21o.1.exe 102 PID 3312 wrote to memory of 3408 3312 u21o.1.exe 102 PID 3088 wrote to memory of 3128 3088 u21o.0.exe 105 PID 3088 wrote to memory of 3128 3088 u21o.0.exe 105 PID 3088 wrote to memory of 3128 3088 u21o.0.exe 105 PID 3128 wrote to memory of 2116 3128 cmd.exe 109 PID 3128 wrote to memory of 2116 3128 cmd.exe 109 PID 3128 wrote to memory of 2116 3128 cmd.exe 109 PID 2116 wrote to memory of 4244 2116 DAFBGHCAKK.exe 110 PID 2116 wrote to memory of 4244 2116 DAFBGHCAKK.exe 110 PID 2116 wrote to memory of 4244 2116 DAFBGHCAKK.exe 110 PID 4244 wrote to memory of 3048 4244 cmd.exe 112 PID 4244 wrote to memory of 3048 4244 cmd.exe 112 PID 4244 wrote to memory of 3048 4244 cmd.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe"C:\Users\Admin\AppData\Local\Temp\4673725d5089ccd90adfe1860ca5a463d02cf2fe5afe50149e054b2a311987b3.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Users\Admin\AppData\Local\Temp\u21o.0.exe"C:\Users\Admin\AppData\Local\Temp\u21o.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:3088 -
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:3128 -
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:2116 -
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:4244 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:3048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 22403⤵
- Program crash
PID:1336
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C:\Users\Admin\AppData\Local\Temp\u21o.1.exe"C:\Users\Admin\AppData\Local\Temp\u21o.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:3312 -
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:3408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 15122⤵
- Program crash
PID:1996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2652 -ip 26521⤵PID:4260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3088 -ip 30881⤵PID:3836
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
312KB
MD512d374f5d55dc469aee06c9cd50e9e61
SHA18e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb
SHA256fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7
SHA512f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954