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
05-04-2024 01:43
Static task
static1
Behavioral task
behavioral1
Sample
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe
Resource
win7-20240220-en
General
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Target
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe
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Size
359KB
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MD5
902ac8e78936748f1c2a65eebe2a5bd7
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SHA1
2a1c8a1ddfce7b784b4f67ddf48445a5e3e6affe
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SHA256
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463
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SHA512
adc1fc0cc60804b44bf7b2e240c4faf34109c4893d78c81c8031325d0636a6b537a9af9bc6d93d93a1117b6be0f1ef2155e3fd965af4f5082803a8405eab0a6c
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SSDEEP
6144:XnqaECNPTFkBgWFtBaNzFbwhkzp/LU++d0RIxgZk+mGMeja/K5+QEhIv:6a9NPTF8LFt6Jvzp/L2+Ixp1Gxj4KihK
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 behavioral2/memory/2556-146-0x000002313B180000-0x000002313EA78000-memory.dmp family_zgrat_v1 behavioral2/memory/2556-148-0x000002315A290000-0x000002315A3A0000-memory.dmp family_zgrat_v1 behavioral2/memory/2556-152-0x00000231407D0000-0x00000231407F4000-memory.dmp family_zgrat_v1 -
Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2448-131-0x0000000000400000-0x0000000002B5C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2448-191-0x0000000002E10000-0x0000000002F10000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2448-194-0x0000000000400000-0x0000000002B5C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2448-131-0x0000000000400000-0x0000000002B5C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2448-191-0x0000000002E10000-0x0000000002F10000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2448-194-0x0000000000400000-0x0000000002B5C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2448-131-0x0000000000400000-0x0000000002B5C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2448-194-0x0000000000400000-0x0000000002B5C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects encrypted or obfuscated .NET executables 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2556-146-0x000002313B180000-0x000002313EA78000-memory.dmp INDICATOR_EXE_DotNET_Encrypted -
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:
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exeu3xs.1.exeu3xs.0.exeBKKFHIEGDH.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation u3xs.1.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation u3xs.0.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation BKKFHIEGDH.exe -
Executes dropped EXE 3 IoCs
Processes:
u3xs.0.exeu3xs.1.exeBKKFHIEGDH.exepid process 2448 u3xs.0.exe 4356 u3xs.1.exe 4884 BKKFHIEGDH.exe -
Loads dropped DLL 2 IoCs
Processes:
u3xs.0.exepid process 2448 u3xs.0.exe 2448 u3xs.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 target process 2032 5104 WerFault.exe c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe 3504 2448 WerFault.exe u3xs.0.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u3xs.1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3xs.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3xs.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3xs.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u3xs.0.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3xs.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3xs.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
u3xs.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid process 2448 u3xs.0.exe 2448 u3xs.0.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2448 u3xs.0.exe 2448 u3xs.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid process Token: SeDebugPrivilege 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u3xs.1.exepid process 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u3xs.1.exepid process 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe 4356 u3xs.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exeu3xs.1.exeu3xs.0.execmd.exeBKKFHIEGDH.execmd.exedescription pid process target process PID 5104 wrote to memory of 2448 5104 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe u3xs.0.exe PID 5104 wrote to memory of 2448 5104 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe u3xs.0.exe PID 5104 wrote to memory of 2448 5104 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe u3xs.0.exe PID 5104 wrote to memory of 4356 5104 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe u3xs.1.exe PID 5104 wrote to memory of 4356 5104 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe u3xs.1.exe PID 5104 wrote to memory of 4356 5104 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe u3xs.1.exe PID 4356 wrote to memory of 2556 4356 u3xs.1.exe SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe PID 4356 wrote to memory of 2556 4356 u3xs.1.exe SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe PID 2448 wrote to memory of 4840 2448 u3xs.0.exe cmd.exe PID 2448 wrote to memory of 4840 2448 u3xs.0.exe cmd.exe PID 2448 wrote to memory of 4840 2448 u3xs.0.exe cmd.exe PID 4840 wrote to memory of 4884 4840 cmd.exe BKKFHIEGDH.exe PID 4840 wrote to memory of 4884 4840 cmd.exe BKKFHIEGDH.exe PID 4840 wrote to memory of 4884 4840 cmd.exe BKKFHIEGDH.exe PID 4884 wrote to memory of 640 4884 BKKFHIEGDH.exe cmd.exe PID 4884 wrote to memory of 640 4884 BKKFHIEGDH.exe cmd.exe PID 4884 wrote to memory of 640 4884 BKKFHIEGDH.exe cmd.exe PID 640 wrote to memory of 4524 640 cmd.exe PING.EXE PID 640 wrote to memory of 4524 640 cmd.exe PING.EXE PID 640 wrote to memory of 4524 640 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe"C:\Users\Admin\AppData\Local\Temp\c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Users\Admin\AppData\Local\Temp\u3xs.0.exe"C:\Users\Admin\AppData\Local\Temp\u3xs.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:2448 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKKFHIEGDH.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Users\Admin\AppData\Local\Temp\BKKFHIEGDH.exe"C:\Users\Admin\AppData\Local\Temp\BKKFHIEGDH.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4884 -
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\BKKFHIEGDH.exe5⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 24243⤵
- Program crash
PID:3504
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C:\Users\Admin\AppData\Local\Temp\u3xs.1.exe"C:\Users\Admin\AppData\Local\Temp\u3xs.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:4356 -
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:2556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 15202⤵
- Program crash
PID:2032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5104 -ip 51041⤵PID:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2448 -ip 24481⤵PID:4740
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
202KB
MD5a7f49a8821946e6fa9972b8af2909998
SHA13049a4914b90e1c35039d467762b84d15a812f48
SHA2562cc3c9aeb3d46d7fb8ce6beb5d49f47ff9b418f10beceae83991154ae40851ff
SHA512518c557537ef9650cf6e6288eb4b4b997b2c2fecc353c8a61f0493ccee479d9168853cc9ad471d8e0e04f3d29b30895da0c5f9fc0b431462d6723128491d27a4
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954