Analysis
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max time kernel
139s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 05:00
Static task
static1
Behavioral task
behavioral1
Sample
7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe
Resource
win10v2004-20240419-en
General
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Target
7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe
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Size
416KB
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MD5
4fc3564cd01b08089c590d7a2576a85f
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SHA1
53760e0d1cf35bbb61db0ca73ea927d9a1956d55
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SHA256
7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13
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SHA512
b548c3969f6f6d60230c533b0ada85ea337272c8c3f36ef5c3cf7c35845a2fcdaf62177a5ccfe9bad4025dc28d30da256a33e6bfb9112bf3b05e445c49651c9d
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SSDEEP
6144:Wo9w+UAlO8GJjy6USAEk3//piLPXpuNoS4ObrpJhYQPH7kpCuMXq:WoiiL4AE+h6ZLS4ovhLuCzq
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 behavioral1/memory/1576-62-0x00000129DF760000-0x00000129E2F94000-memory.dmp family_zgrat_v1 behavioral1/memory/1576-63-0x00000129FD830000-0x00000129FD93A000-memory.dmp family_zgrat_v1 behavioral1/memory/1576-68-0x00000129FD690000-0x00000129FD6B4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation u21o.1.exe -
Executes dropped EXE 2 IoCs
pid Process 3668 u21o.0.exe 4376 u21o.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3668 u21o.0.exe 3668 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
pid pid_target Process procid_target 2316 2652 WerFault.exe 82 1612 3668 WerFault.exe 97 -
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 u21o.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u21o.1.exe Key enumerated \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.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u21o.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u21o.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3668 u21o.0.exe 3668 u21o.0.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3668 u21o.0.exe 3668 u21o.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1576 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe 4376 u21o.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2652 wrote to memory of 3668 2652 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe 97 PID 2652 wrote to memory of 3668 2652 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe 97 PID 2652 wrote to memory of 3668 2652 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe 97 PID 2652 wrote to memory of 4376 2652 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe 99 PID 2652 wrote to memory of 4376 2652 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe 99 PID 2652 wrote to memory of 4376 2652 7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe 99 PID 4376 wrote to memory of 1576 4376 u21o.1.exe 105 PID 4376 wrote to memory of 1576 4376 u21o.1.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.exe"C:\Users\Admin\AppData\Local\Temp\7d8e158b6968a2f190469476a41cffca58f828f5b8055ff61bcce4e508feda13.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⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3668 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 23243⤵
- Program crash
PID:1612
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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:4376 -
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:1576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 15042⤵
- Program crash
PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2652 -ip 26521⤵PID:1000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3668 -ip 36681⤵PID:4852
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
MD5ea9415db734614be074c72ce943e177b
SHA15f300bca01b61975409116b7b0f5b99d0633a050
SHA25664f7ba2d8cc61f9d8cb6b606c6dc7033be2805e1a52f081175e4e48221bf0e0a
SHA51258f0edfaad89651e9c1b3d1a5db1381bace151bb0224bb3f048fe0719ee4f18d7dc2ca822c46ab13a8f75d94ace2818a1301c9a1017b7f9c446bbd050fceb7cd
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Filesize
274KB
MD50b86580bc3b14e574c2beb830abf55b8
SHA1e0a86d8aa0323bb81a0eec6e7124f9f8a2abf8f6
SHA2561addfd78afcbb2d0b1a0f6f7a6edd96e84d3710b0d858324827d36a26c86d868
SHA512d5d375d6919159046bd7571aa08ff4819bb10ceaeef3024d6e22f092c0b5e6bd2c881249e129e0d145649bae0a85d421b0a2378b7e2f15463bc9ddbd806ad0bc
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954