Analysis
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max time kernel
280s -
max time network
286s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05-05-2024 22:37
Static task
static1
Behavioral task
behavioral1
Sample
683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe
Resource
win7-20240221-en
General
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Target
683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe
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Size
445KB
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MD5
80a4caed5d40489be77cb54617a91de4
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SHA1
51a1ae13862055f86993ea9ffb4036b4d911d79c
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SHA256
683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13
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SHA512
7dfe4b0fa47314f72af8378efccc1b32585ff3c348f4cf9de60a7411f020115fc277074d2a23f017b10774d38f53ade15b6db4943326563644f525576d253f37
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SSDEEP
6144:4DB3yaQTpQbjXidskjQ/K+VhYNUKD7ZCtAu9hZlpw/21:qBtQdyXy0XhYNdTu9Npw/21
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/292-216-0x00000000008D0000-0x00000000041C8000-memory.dmp family_zgrat_v1 behavioral1/memory/292-218-0x000000001EE50000-0x000000001EF60000-memory.dmp family_zgrat_v1 behavioral1/memory/292-233-0x0000000005900000-0x0000000005924000-memory.dmp family_zgrat_v1 -
Detects Arechclient2 RAT 1 IoCs
Arechclient2.
resource yara_rule behavioral1/memory/1044-339-0x0000000000400000-0x00000000004C6000-memory.dmp MALWARE_Win_Arechclient -
SectopRAT payload 1 IoCs
resource yara_rule behavioral1/memory/1044-339-0x0000000000400000-0x00000000004C6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 2080 u27s.0.exe 276 run.exe 2284 u27s.3.exe -
Loads dropped DLL 18 IoCs
pid Process 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 276 run.exe 276 run.exe 276 run.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 768 cmd.exe 2080 u27s.0.exe 2080 u27s.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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 276 set thread context of 768 276 run.exe 32 PID 768 set thread context of 1044 768 cmd.exe 37 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u27s.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u27s.3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u27s.3.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 u27s.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u27s.0.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 2080 u27s.0.exe 276 run.exe 276 run.exe 768 cmd.exe 768 cmd.exe 292 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 292 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 292 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 292 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 292 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2080 u27s.0.exe 1044 MSBuild.exe 1044 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 276 run.exe 768 cmd.exe 768 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 292 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 1044 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe 2284 u27s.3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1044 MSBuild.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2872 wrote to memory of 2080 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2872 wrote to memory of 2080 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2872 wrote to memory of 2080 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2872 wrote to memory of 2080 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2872 wrote to memory of 276 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 29 PID 2872 wrote to memory of 276 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 29 PID 2872 wrote to memory of 276 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 29 PID 2872 wrote to memory of 276 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 29 PID 276 wrote to memory of 768 276 run.exe 32 PID 276 wrote to memory of 768 276 run.exe 32 PID 276 wrote to memory of 768 276 run.exe 32 PID 276 wrote to memory of 768 276 run.exe 32 PID 2872 wrote to memory of 2284 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 34 PID 2872 wrote to memory of 2284 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 34 PID 2872 wrote to memory of 2284 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 34 PID 2872 wrote to memory of 2284 2872 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 34 PID 276 wrote to memory of 768 276 run.exe 32 PID 2284 wrote to memory of 292 2284 u27s.3.exe 35 PID 2284 wrote to memory of 292 2284 u27s.3.exe 35 PID 2284 wrote to memory of 292 2284 u27s.3.exe 35 PID 2284 wrote to memory of 292 2284 u27s.3.exe 35 PID 768 wrote to memory of 1044 768 cmd.exe 37 PID 768 wrote to memory of 1044 768 cmd.exe 37 PID 768 wrote to memory of 1044 768 cmd.exe 37 PID 768 wrote to memory of 1044 768 cmd.exe 37 PID 768 wrote to memory of 1044 768 cmd.exe 37 PID 768 wrote to memory of 1044 768 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe"C:\Users\Admin\AppData\Local\Temp\683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Users\Admin\AppData\Local\Temp\u27s.0.exe"C:\Users\Admin\AppData\Local\Temp\u27s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2080
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C:\Users\Admin\AppData\Local\Temp\u27s.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u27s.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1044
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C:\Users\Admin\AppData\Local\Temp\u27s.3.exe"C:\Users\Admin\AppData\Local\Temp\u27s.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2284 -
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:292
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\d1bcc70a677e437d8f9be135f3c3fccd.tmp
Filesize1KB
MD59f69ef9edc79f683a40b1d58f9687a6e
SHA1081987b3f4f009aa54a2890708927e0cf25ba008
SHA25627ba1b0e718dbcdf2d38df5e2d61d072cd61bc40d3313e4f6f96d650e0bb6526
SHA512e65448ec6c121e06c47c8b56d3b6a4a6bd247ef3ad9241f5720e7762eedf8cc85bcc6452a9ac36023d51d6e044d1f077991e14990ad820741077330742e46fb5
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Filesize
1.6MB
MD59bb67e904ac371b5ffd143f8fb54e1e2
SHA158009e463133af8b89b59716fe255b118eca872c
SHA25644afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded
SHA512573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0
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Filesize
1.4MB
MD59df930c0f486a0444992299a6a905464
SHA1210052fd478ac4d40ce9c3ea939c0c1b985d351b
SHA25649b0f645bc83d33bcf9b7d2c4a724ae6ff64788ffcef7bb9a529118c2ecb1f2a
SHA5123916283f0945df530767f3fe193829902b5019a012b8f7e5395493905a970ef2a70b05a5393d918462312bd2be304598a4ed77a5585ae2f19611710aef87bf54
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Filesize
2KB
MD569c3f4b7e72b37d2c8d1ec237b8837c7
SHA1c53befe1a50b4026a935566114f844ec67af04d1
SHA25616e03810951c16f392dd2cb15335d8b7055a3ad198f21f8ba21a6d3a2b19fdc7
SHA5124e9a7b621457aa94936b4e80c0b2ea26d46f0c6d686d796adc15b426f02fc41f31cc8e2db2aff3b2985000cedf0e37e764c225f0b8b1de7f419c7a5ebb15571b
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Filesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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Filesize
274KB
MD5fae96a12ae35c2243801206ca089798d
SHA152b8769b202701900f03c386623232ee23fb90d3
SHA2561b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750
SHA5127a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe
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Filesize
84KB
MD5e68562f63265e1a70881446b4b9dc455
SHA1da16ef9367bde3ce892b1a0e33bc179d8acdceb3
SHA256c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb
SHA5126bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674
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Filesize
120KB
MD5f383f6f4e764619bd19e319335d3ef2b
SHA199f287e49a15e495b4ead8e5589364a5f87b357e
SHA25603951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d
SHA5126fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934
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Filesize
1.2MB
MD5f344794dc910dc343f92ded2c6b5e0ab
SHA1e5878518ce55ce5bd1890d5e04a82eb22d5a848a
SHA2563cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235
SHA512ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58
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Filesize
84KB
MD5a276acc3fd657d7665bd4ddce8fb9749
SHA1c02642eec3f4e8b0314045ee95e0a15abd853ea8
SHA2566565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8
SHA512178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79
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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
224KB
MD53f109a02c8d642e8003a1188df40d861
SHA1f723f38471b8872443aa9177eef12a96c02cc84a
SHA2566523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5
SHA512023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da
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Filesize
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954