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Analysis
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max time kernel
142s -
max time network
131s -
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, 10:02
Static task
static1
Behavioral task
behavioral1
Sample
b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe
Resource
win10v2004-20240426-en
General
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Target
b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe
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Size
417KB
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MD5
b213132a5da500333667266597314442
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SHA1
4d0d36e7caf6a9f1d5b11d0c4d2a12de90d6d11f
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SHA256
b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d
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SHA512
904f73be3337ff86ce4d473d98c151ca6521ad31dd406a99822b0ed5264ea8e79532f3a0ef71037cb1b5dd77a077b2ada7c1fafe8fe852f780a95fe1c7f854cb
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SSDEEP
12288:0H9S9mUikIgN8hRxsG207aR7FPDROmjLtNeoDI:0d7mkRH7MJbjL5I
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/5012-105-0x000001DCD6D40000-0x000001DCDA574000-memory.dmp family_zgrat_v1 behavioral1/memory/5012-106-0x000001DCF5D90000-0x000001DCF5E9A000-memory.dmp family_zgrat_v1 behavioral1/memory/5012-110-0x000001DCF4A60000-0x000001DCF4A84000-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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation u1o8.1.exe -
Executes dropped EXE 2 IoCs
pid Process 2080 u1o8.0.exe 1148 u1o8.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2080 u1o8.0.exe 2080 u1o8.0.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 1568 2168 WerFault.exe 81 1916 2080 WerFault.exe 91 -
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 u1o8.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1o8.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1o8.1.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 u1o8.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1o8.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2080 u1o8.0.exe 2080 u1o8.0.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2080 u1o8.0.exe 2080 u1o8.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5012 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe 1148 u1o8.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2080 2168 b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe 91 PID 2168 wrote to memory of 2080 2168 b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe 91 PID 2168 wrote to memory of 2080 2168 b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe 91 PID 2168 wrote to memory of 1148 2168 b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe 94 PID 2168 wrote to memory of 1148 2168 b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe 94 PID 2168 wrote to memory of 1148 2168 b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe 94 PID 1148 wrote to memory of 5012 1148 u1o8.1.exe 100 PID 1148 wrote to memory of 5012 1148 u1o8.1.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe"C:\Users\Admin\AppData\Local\Temp\b9a4eddd2355b794a725261e6edccc52615f1b90c3b53f20bf55993dd425849d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\u1o8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1o8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 24083⤵
- Program crash
PID:1916
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C:\Users\Admin\AppData\Local\Temp\u1o8.1.exe"C:\Users\Admin\AppData\Local\Temp\u1o8.1.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:1148 -
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:5012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 11442⤵
- Program crash
PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2168 -ip 21681⤵PID:1240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2080 -ip 20801⤵PID:1132
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
2KB
MD595f96fd1058b22061e767f75c72ff2b3
SHA1c412469876c1851cb3a3caba282702e4ee8637e4
SHA2566e3e8295513a5111f9bda0905ce33009c196edb1ae3eb39e8a78e3c253f2756a
SHA51251ec0a24d0a157dd6056d6d211bd0b24b9be24d925641cc763d351e196382d7418f552766cf158a9bd22988a7f8d46955aad03c51787c5c65ea5753950755366
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Filesize
275KB
MD54d59827a760364256f740c2cad58d8f6
SHA15a8f9783ae132ffeff811601207ed7b92d7e38db
SHA25610b53636b794b111435f1213332cb9e36455457d51748f9057e893e0b93ca654
SHA5122acf56000787d5da0476b2959c189abdf01a8bef0badb38607f3d1a92ea42cc8564ef29684f73f49683fbc49d54d6a6e8e05c64d00ce931a45435b3590bb8f1f
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954