Analysis
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max time kernel
137s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 09:15
Static task
static1
Behavioral task
behavioral1
Sample
bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe
Resource
win10v2004-20240426-en
General
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Target
bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe
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Size
416KB
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MD5
25d13f57ce8c8fc5ebf595a434c5bd7e
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SHA1
a989ed2369c6f2d2740ad56333f122bdedcc394e
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SHA256
bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4
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SHA512
0e3beddcfeae3f71e0c4366f084dd43692c2cf789bd9bfd0410e33e81ee2bbbd990f63f9be136052af92c69170db859d7bd77cbaccd8ce62df26423b4ece9ed8
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SSDEEP
6144:Is39oglCbCdvUevlzUusNjv80uIGK87Veb4Ow93mKWLZmuMiv:Is3+Ypvl5cv80FGKkOwStmuv
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/3604-62-0x000001DE0E880000-0x000001DE120B4000-memory.dmp family_zgrat_v1 behavioral1/memory/3604-63-0x000001DE2D5E0000-0x000001DE2D6EA000-memory.dmp family_zgrat_v1 behavioral1/memory/3604-67-0x000001DE2C740000-0x000001DE2C764000-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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation u3r0.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4296 u3r0.0.exe 804 u3r0.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4296 u3r0.0.exe 4296 u3r0.0.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 748 4860 WerFault.exe 82 1808 4296 WerFault.exe 92 -
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 u3r0.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3r0.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3r0.1.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 u3r0.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3r0.0.exe -
Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4296 u3r0.0.exe 4296 u3r0.0.exe 4296 u3r0.0.exe 4296 u3r0.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3604 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe 804 u3r0.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4860 wrote to memory of 4296 4860 bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe 92 PID 4860 wrote to memory of 4296 4860 bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe 92 PID 4860 wrote to memory of 4296 4860 bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe 92 PID 4860 wrote to memory of 804 4860 bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe 95 PID 4860 wrote to memory of 804 4860 bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe 95 PID 4860 wrote to memory of 804 4860 bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe 95 PID 804 wrote to memory of 3604 804 u3r0.1.exe 100 PID 804 wrote to memory of 3604 804 u3r0.1.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe"C:\Users\Admin\AppData\Local\Temp\bdd02fc4c900bfe9b923dd6ce12c6f130e7e15ed9e7a47a263276429dfaea9c4.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Users\Admin\AppData\Local\Temp\u3r0.0.exe"C:\Users\Admin\AppData\Local\Temp\u3r0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4296 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 22643⤵
- Program crash
PID:1808
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C:\Users\Admin\AppData\Local\Temp\u3r0.1.exe"C:\Users\Admin\AppData\Local\Temp\u3r0.1.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:804 -
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:3604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 10642⤵
- Program crash
PID:748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4860 -ip 48601⤵PID:5056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4296 -ip 42961⤵PID:3416
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
3KB
MD5102e3b06398198cb4c1ec2a3f84fe3a8
SHA1fda80b3610960768058e0de3e708c39356501268
SHA256ae15ee560867139675365563ca72d4ddfdd89455233cb940a1f2948133089d53
SHA5129ce7654a15426eba505cbf9d3f1cc1605572a1a83bacb7e0dd8094e763d872c5467d2865ea4c2b93aa22aa553967764ad053a4330bb98564e9e2ee982e9ce70d
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Filesize
274KB
MD516720a0516a6e23f11a66b0b8066e5a6
SHA1edf8d8c0eead559891856cf4a962705620dcb10e
SHA256949fb9d3d6ec5bb789ec5bef973e12f4500365137f4c8b2e285b3dc6e9ac88f2
SHA512c49dc5ea54c32ae5c5ff29ab2b997b9c930e9ce7d86d52993afd17e9816e73556e1c1e57b4e27f1db99442b414ebf22adb9966f7cca3a401ca6c7f85e9d0002e
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954