Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-05-2024 07:01
Static task
static1
Behavioral task
behavioral1
Sample
ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe
Resource
win10v2004-20240419-en
General
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Target
ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe
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Size
416KB
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MD5
8eee452175c00f555ef34226bb683ed5
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SHA1
ebf81e89cba4d9006bada1704693f05d4f7123ab
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SHA256
ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb
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SHA512
eb742053469c96107e4849286ce15b60f606e8dffc3d57c0857fb26ee3b9b6f8bab516989c5afe3c1786c60fdc2a33ffe17024533daf3281ed105b0fc5f7d29f
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SSDEEP
6144:uE9fYb7tyBIBFPOofY+dZLomCu9PVDro/rTsKIknXjrxPmHQTNWekuMil:uEeHtJBFNYnKJro/rIKdXjF+w8Hul
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/4596-104-0x000001BFADED0000-0x000001BFB1704000-memory.dmp family_zgrat_v1 behavioral2/memory/4596-105-0x000001BFCBFF0000-0x000001BFCC0FA000-memory.dmp family_zgrat_v1 behavioral2/memory/4596-109-0x000001BFCBC50000-0x000001BFCBC74000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3900 u2cw.0.exe 3088 u2cw.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3900 u2cw.0.exe 3900 u2cw.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 1832 3056 WerFault.exe 76 1140 3900 WerFault.exe 77 -
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 u2cw.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2cw.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2cw.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 u2cw.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2cw.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3900 u2cw.0.exe 3900 u2cw.0.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3900 u2cw.0.exe 3900 u2cw.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4596 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe 3088 u2cw.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3056 wrote to memory of 3900 3056 ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe 77 PID 3056 wrote to memory of 3900 3056 ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe 77 PID 3056 wrote to memory of 3900 3056 ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe 77 PID 3056 wrote to memory of 3088 3056 ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe 80 PID 3056 wrote to memory of 3088 3056 ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe 80 PID 3056 wrote to memory of 3088 3056 ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe 80 PID 3088 wrote to memory of 4596 3088 u2cw.1.exe 85 PID 3088 wrote to memory of 4596 3088 u2cw.1.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe"C:\Users\Admin\AppData\Local\Temp\ca8f3234eb88ef2ca235fab589b6ed6c6f4ba325362406a8c2be805aab533abb.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Users\Admin\AppData\Local\Temp\u2cw.0.exe"C:\Users\Admin\AppData\Local\Temp\u2cw.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 24883⤵
- Program crash
PID:1140
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C:\Users\Admin\AppData\Local\Temp\u2cw.1.exe"C:\Users\Admin\AppData\Local\Temp\u2cw.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3088 -
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:4596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 11562⤵
- Program crash
PID:1832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3056 -ip 30561⤵PID:1392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3900 -ip 39001⤵PID:4716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
3KB
MD577ab1117849ffed45f367b23cc73a463
SHA195ac88df702f3572093ad8f312196c21d777e885
SHA256cef9ccf5361293ab5ae811211b41e4d14f0b488ccfbb542482a6bea16f4a00ef
SHA512f7a5995d724cef3b4d4e42e3daf3c158465d6a4af330a92f7a1d1bf08fa893047f899f52b9243da86ca3249ab0af72b240807a32e821c3a8fd17cb5cf676c0be
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Filesize
275KB
MD583493b3717b3e54113b89fe0e5b765a1
SHA10e0b8f1f0a18258e9130f151c06b163418f7a90e
SHA2563cf852a87b37cd494844030de64eec372931b19570a10e0896fc18c94bb99627
SHA51285dd3e6cfc6ed41fe045627d5f701455d94320e7ad21e2ffaff55607b390224e70b2923c2e327e68463fe91a84755fc04f3e3e753720c7d0ede53ba129df0121
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954