Analysis
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max time kernel
144s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
03/04/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe
Resource
win10v2004-20240226-en
General
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Target
1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe
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Size
430KB
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MD5
ececb8f9f32d92e8015c5c3d18890bcd
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SHA1
6a302a2f284fd1c44592509e34855a7d05da3bed
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SHA256
1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9
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SHA512
23acce11712cf7699d21da97d5169716e9818d2571aa0b8f4b8e542dd72932eaeaa4dd60b8432fa5a7bac46eeaab1551689cee6e6f5a46d7717c73b768d94baa
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SSDEEP
12288:6cngs+cvhCpAa+RRwKNpqoz74/5D0qokyRn:6gJOf+RL5z74/5D0CyRn
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 behavioral2/memory/3932-151-0x000002821CD50000-0x0000028220648000-memory.dmp family_zgrat_v1 behavioral2/memory/3932-160-0x000002823AE40000-0x000002823AF50000-memory.dmp family_zgrat_v1 behavioral2/memory/3932-164-0x000002823ABA0000-0x000002823ABC4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 2604 ul0.0.exe 4508 ul0.1.exe 5008 BKFBAECBAE.exe -
Loads dropped DLL 2 IoCs
pid Process 2604 ul0.0.exe 2604 ul0.0.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 1188 756 WerFault.exe 79 900 2604 WerFault.exe 81 -
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 ul0.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ul0.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ul0.1.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 ul0.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ul0.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3456 PING.EXE -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2604 ul0.0.exe 2604 ul0.0.exe 2604 ul0.0.exe 2604 ul0.0.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe 4508 ul0.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 756 wrote to memory of 2604 756 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe 81 PID 756 wrote to memory of 2604 756 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe 81 PID 756 wrote to memory of 2604 756 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe 81 PID 756 wrote to memory of 4508 756 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe 84 PID 756 wrote to memory of 4508 756 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe 84 PID 756 wrote to memory of 4508 756 1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe 84 PID 4508 wrote to memory of 3932 4508 ul0.1.exe 89 PID 4508 wrote to memory of 3932 4508 ul0.1.exe 89 PID 2604 wrote to memory of 5028 2604 ul0.0.exe 90 PID 2604 wrote to memory of 5028 2604 ul0.0.exe 90 PID 2604 wrote to memory of 5028 2604 ul0.0.exe 90 PID 5028 wrote to memory of 5008 5028 cmd.exe 94 PID 5028 wrote to memory of 5008 5028 cmd.exe 94 PID 5028 wrote to memory of 5008 5028 cmd.exe 94 PID 5008 wrote to memory of 1840 5008 BKFBAECBAE.exe 95 PID 5008 wrote to memory of 1840 5008 BKFBAECBAE.exe 95 PID 5008 wrote to memory of 1840 5008 BKFBAECBAE.exe 95 PID 1840 wrote to memory of 3456 1840 cmd.exe 97 PID 1840 wrote to memory of 3456 1840 cmd.exe 97 PID 1840 wrote to memory of 3456 1840 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe"C:\Users\Admin\AppData\Local\Temp\1c3dee97b16eeeb895707e1e13cf9616c362b40eddd978d2e1eb58e246c345d9.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Users\Admin\AppData\Local\Temp\ul0.0.exe"C:\Users\Admin\AppData\Local\Temp\ul0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKFBAECBAE.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\BKFBAECBAE.exe"C:\Users\Admin\AppData\Local\Temp\BKFBAECBAE.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5008 -
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\BKFBAECBAE.exe5⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:3456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 25443⤵
- Program crash
PID:900
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C:\Users\Admin\AppData\Local\Temp\ul0.1.exe"C:\Users\Admin\AppData\Local\Temp\ul0.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4508 -
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:3932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 15322⤵
- Program crash
PID:1188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 756 -ip 7561⤵PID:3512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2604 -ip 26041⤵PID:5048
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
3KB
MD5e6754b25baa1f2ef75c29ae47baa13fb
SHA136f378b54e70a85d5699946f62e4e13f5fd3bb95
SHA2566321b8505f76cd0b7bf2545b3787eb1d268a87a4d99a838492e7e47d30fdb0f9
SHA5126a01d5bb40391ee87b1a61bc925fbd7853414ceb5bd28eb46e7f90d3d98f2ce206037a8a90e21c1afbe073f2661aca1b2a63f9f4720e9a2a1d2b298caecc562f
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Filesize
297KB
MD5c143cd1349493637a4b0245a7657047c
SHA171db6b6454570fd15c4d236cf9052d8d42080875
SHA25603dbee406c07f96049083a0bab70a05d16be0b261f258f45056e8a2ada41b22b
SHA512746b811368b67d54333117b015112d6ede3255850b806106c007c88aa6839ae0f7dfa03e8c4c8e23e8c7a9cf7a24b3dad8bbca3a9ea282a22116f01ff784cd31
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954