Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06/04/2024, 05:30
Static task
static1
Behavioral task
behavioral1
Sample
4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe
Resource
win10v2004-20240226-en
General
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Target
4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe
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Size
342KB
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MD5
83f68fd5d3477052738b46535826b265
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SHA1
2d99a42f1e164b8a7f97b83213e84c56d171ff25
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SHA256
4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de
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SHA512
3b941a216aab18fdc36af32ec4778e2549cb8e69bf677e65da97775452ddb7b4daaf5e02fa3c05f7f192564e55ba78e8e0f1b22c9ad4a31b219b83fa3513a4e0
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SSDEEP
6144:TnxvOxqTdkXAyVG2byslJyDPzM9TfBw/Mom9VcurkJbV:TxvOxqxkXAgd0zKTJw/MoY1mV
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
resource yara_rule behavioral1/memory/2028-141-0x0000020356A60000-0x000002035A358000-memory.dmp family_zgrat_v1 behavioral1/memory/2028-143-0x0000020375A70000-0x0000020375B80000-memory.dmp family_zgrat_v1 behavioral1/memory/2028-147-0x00000203758B0000-0x00000203758D4000-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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation u1lw.1.exe Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation u1lw.0.exe Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation EGDBAFHJJD.exe Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe -
Executes dropped EXE 3 IoCs
pid Process 2472 u1lw.0.exe 4072 u1lw.1.exe 2728 EGDBAFHJJD.exe -
Loads dropped DLL 2 IoCs
pid Process 2472 u1lw.0.exe 2472 u1lw.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 4960 2084 WerFault.exe 85 3372 2472 WerFault.exe 89 -
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 u1lw.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1lw.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1lw.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 u1lw.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1lw.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3736 PING.EXE -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 2472 u1lw.0.exe 2472 u1lw.0.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2472 u1lw.0.exe 2472 u1lw.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2028 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe 4072 u1lw.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2472 2084 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe 89 PID 2084 wrote to memory of 2472 2084 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe 89 PID 2084 wrote to memory of 2472 2084 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe 89 PID 2084 wrote to memory of 4072 2084 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe 95 PID 2084 wrote to memory of 4072 2084 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe 95 PID 2084 wrote to memory of 4072 2084 4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe 95 PID 4072 wrote to memory of 2028 4072 u1lw.1.exe 103 PID 4072 wrote to memory of 2028 4072 u1lw.1.exe 103 PID 2472 wrote to memory of 2096 2472 u1lw.0.exe 106 PID 2472 wrote to memory of 2096 2472 u1lw.0.exe 106 PID 2472 wrote to memory of 2096 2472 u1lw.0.exe 106 PID 2096 wrote to memory of 2728 2096 cmd.exe 110 PID 2096 wrote to memory of 2728 2096 cmd.exe 110 PID 2096 wrote to memory of 2728 2096 cmd.exe 110 PID 2728 wrote to memory of 4480 2728 EGDBAFHJJD.exe 111 PID 2728 wrote to memory of 4480 2728 EGDBAFHJJD.exe 111 PID 2728 wrote to memory of 4480 2728 EGDBAFHJJD.exe 111 PID 4480 wrote to memory of 3736 4480 cmd.exe 113 PID 4480 wrote to memory of 3736 4480 cmd.exe 113 PID 4480 wrote to memory of 3736 4480 cmd.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe"C:\Users\Admin\AppData\Local\Temp\4b3d2f04952743c60908a55dfa27c665f905aa685bc3ca643a576cf3599a73de.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Users\Admin\AppData\Local\Temp\u1lw.0.exe"C:\Users\Admin\AppData\Local\Temp\u1lw.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:2472 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGDBAFHJJD.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Users\Admin\AppData\Local\Temp\EGDBAFHJJD.exe"C:\Users\Admin\AppData\Local\Temp\EGDBAFHJJD.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2728 -
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\EGDBAFHJJD.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:3736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 23683⤵
- Program crash
PID:3372
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C:\Users\Admin\AppData\Local\Temp\u1lw.1.exe"C:\Users\Admin\AppData\Local\Temp\u1lw.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:4072 -
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:2028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 15122⤵
- Program crash
PID:4960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2084 -ip 20841⤵PID:3652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2472 -ip 24721⤵PID:3572
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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
200KB
MD5e4ff41258b1e13fc1a0cf33f83505c5b
SHA1c41a64aa8b5d921cf755d72dfd624066cbbdf6d8
SHA2560d19b90b35d268308253e621b1b3500b1d1dd98e5f72929ba6f78961423ca594
SHA512520a2c6a74f42743373e29c3aef59618e306a10a1f9ffec27990ed7533856bcc0ba8ce3174ee668418fd8325cf9ef664df29026238e21f4d234f4e7a25d0239a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954