Analysis
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max time kernel
146s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
07-04-2024 16:45
Static task
static1
Behavioral task
behavioral1
Sample
8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe
Resource
win10v2004-20240319-en
General
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Target
8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe
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Size
454KB
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MD5
0f9720c49280fc4ecc81863b03585c8e
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SHA1
aeba660629df570abdf529890be2448012ae76fa
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SHA256
8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475
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SHA512
22e201bb436fdd0a69fe8a4dca3d24d7faaeec47ef2dd214495001c601d60cf2fb3e4372c575a3617fb77e2dc06010b66d1cf526f60ab1cb8486675846b67a29
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SSDEEP
12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6V:2irSI63iTYkogh4DlKrV
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
Processes:
resource yara_rule behavioral1/memory/932-134-0x0000019D7A9C0000-0x0000019D7E2B8000-memory.dmp family_zgrat_v1 behavioral1/memory/932-136-0x0000019D1A510000-0x0000019D1A620000-memory.dmp family_zgrat_v1 behavioral1/memory/932-140-0x0000019D01B10000-0x0000019D01B34000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exeu3e4.1.exeu3e4.0.exeAFCFHDHIII.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation u3e4.1.exe Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation u3e4.0.exe Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation AFCFHDHIII.exe -
Executes dropped EXE 3 IoCs
Processes:
u3e4.0.exeu3e4.1.exeAFCFHDHIII.exepid Process 3044 u3e4.0.exe 3996 u3e4.1.exe 5520 AFCFHDHIII.exe -
Loads dropped DLL 2 IoCs
Processes:
u3e4.0.exepid Process 3044 u3e4.0.exe 3044 u3e4.0.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
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 1432 4396 WerFault.exe 92 5528 3044 WerFault.exe 101 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u3e4.1.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3e4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3e4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3e4.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u3e4.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3e4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3e4.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 40 IoCs
Processes:
u3e4.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid Process 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 3044 u3e4.0.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3044 u3e4.0.exe 3044 u3e4.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 932 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u3e4.1.exepid Process 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u3e4.1.exepid Process 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe 3996 u3e4.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exeu3e4.1.exeu3e4.0.execmd.exeAFCFHDHIII.execmd.exedescription pid Process procid_target PID 4396 wrote to memory of 3044 4396 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe 101 PID 4396 wrote to memory of 3044 4396 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe 101 PID 4396 wrote to memory of 3044 4396 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe 101 PID 4396 wrote to memory of 3996 4396 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe 109 PID 4396 wrote to memory of 3996 4396 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe 109 PID 4396 wrote to memory of 3996 4396 8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe 109 PID 3996 wrote to memory of 932 3996 u3e4.1.exe 116 PID 3996 wrote to memory of 932 3996 u3e4.1.exe 116 PID 3044 wrote to memory of 5452 3044 u3e4.0.exe 132 PID 3044 wrote to memory of 5452 3044 u3e4.0.exe 132 PID 3044 wrote to memory of 5452 3044 u3e4.0.exe 132 PID 5452 wrote to memory of 5520 5452 cmd.exe 122 PID 5452 wrote to memory of 5520 5452 cmd.exe 122 PID 5452 wrote to memory of 5520 5452 cmd.exe 122 PID 5520 wrote to memory of 5652 5520 AFCFHDHIII.exe 124 PID 5520 wrote to memory of 5652 5520 AFCFHDHIII.exe 124 PID 5520 wrote to memory of 5652 5520 AFCFHDHIII.exe 124 PID 5652 wrote to memory of 5708 5652 cmd.exe 126 PID 5652 wrote to memory of 5708 5652 cmd.exe 126 PID 5652 wrote to memory of 5708 5652 cmd.exe 126
Processes
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C:\Users\Admin\AppData\Local\Temp\8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe"C:\Users\Admin\AppData\Local\Temp\8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Users\Admin\AppData\Local\Temp\u3e4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3e4.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:5452 -
C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5520 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe5⤵
- Suspicious use of WriteProcessMemory
PID:5652 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:5708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 23483⤵
- Program crash
PID:5528
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C:\Users\Admin\AppData\Local\Temp\u3e4.1.exe"C:\Users\Admin\AppData\Local\Temp\u3e4.1.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:3996 -
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:932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 11442⤵
- Program crash
PID:1432
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:31⤵PID:3716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4396 -ip 43961⤵PID:2476
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4148 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:81⤵PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3044 -ip 30441⤵PID:5464
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:5452
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
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
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Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
2KB
MD54e46f9c6ab901f0ec5e4c1abde4b843f
SHA1103e4443cdfbb93c553db8a832635e6151368848
SHA256f5dcf35b3b40d893e1f0a98012c0ffe4191383fa5b2c5b3417cceb9da614637e
SHA5128f9acb3844915168ba4b4af0b1e28f2f2b297a12a21778812293ebe17e02f1b0b18f03588724fafc6c9166c9c7ee58c8a4af172ce7302403b2481738bdae8d62
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Filesize
3KB
MD50c3ed50508e5f513434b669ef1699f7e
SHA1b193ff7fbb04dbc98338c8ee560a4de2458c5939
SHA256d2314d6fc396823f25003600d3414d4d7049b1c53972442efa9969a1c734dc93
SHA5122957676169487218a79fcc934e1505c3a0c2aaaf230471bc63c67de4e01e155b1fbbebb3c6c062e0a02d8198abd98b71a353225db5201cc51db153981f520aea
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Filesize
312KB
MD512d374f5d55dc469aee06c9cd50e9e61
SHA18e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb
SHA256fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7
SHA512f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954