Analysis
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max time kernel
292s -
max time network
297s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
06/05/2024, 05:29
Static task
static1
Behavioral task
behavioral1
Sample
91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe
Resource
win7-20240221-en
General
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Target
91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe
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Size
434KB
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MD5
149677290aa8404040c2f2ec8c285e21
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SHA1
87e8011dc4e5650043062ef9f53de7a4a0531f1d
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SHA256
91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114
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SHA512
d14a49d2698786fe8b7361c349937f319b613b8be8c579ce641fe2786031ec789cdd6c8b9f00d1cd0729662fab30aedba5885f262dae93dbfaeb0dc11bbce12a
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SSDEEP
6144:YjCWCQdVWjXWRSltCvyKN51/jFU+piWhXCS4W6N2sPyOG+V81t6xjl:u5/WMPZ1/jFU+pi8XD6NUD8xjl
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 behavioral2/memory/4868-229-0x00000204F29D0000-0x00000204F62C8000-memory.dmp family_zgrat_v1 behavioral2/memory/4868-230-0x00000204F8A90000-0x00000204F8BA0000-memory.dmp family_zgrat_v1 behavioral2/memory/4868-234-0x00000204F8940000-0x00000204F8964000-memory.dmp family_zgrat_v1 -
Detects Arechclient2 RAT 1 IoCs
Arechclient2.
resource yara_rule behavioral2/memory/2692-264-0x0000000001100000-0x00000000011C6000-memory.dmp MALWARE_Win_Arechclient -
SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/2692-264-0x0000000001100000-0x00000000011C6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 2276 u18o.0.exe 428 run.exe 988 u18o.3.exe -
Loads dropped DLL 5 IoCs
pid Process 428 run.exe 428 run.exe 428 run.exe 2276 u18o.0.exe 2276 u18o.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 428 set thread context of 3320 428 run.exe 77 PID 3320 set thread context of 2692 3320 cmd.exe 84 -
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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u18o.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u18o.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u18o.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 u18o.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u18o.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2276 u18o.0.exe 2276 u18o.0.exe 428 run.exe 428 run.exe 2276 u18o.0.exe 2276 u18o.0.exe 3320 cmd.exe 3320 cmd.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2692 MSBuild.exe 2692 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 428 run.exe 3320 cmd.exe 3320 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4868 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 2692 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe 988 u18o.3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2692 MSBuild.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1608 wrote to memory of 2276 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 73 PID 1608 wrote to memory of 2276 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 73 PID 1608 wrote to memory of 2276 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 73 PID 1608 wrote to memory of 428 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 75 PID 1608 wrote to memory of 428 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 75 PID 1608 wrote to memory of 428 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 75 PID 428 wrote to memory of 3320 428 run.exe 77 PID 428 wrote to memory of 3320 428 run.exe 77 PID 428 wrote to memory of 3320 428 run.exe 77 PID 428 wrote to memory of 3320 428 run.exe 77 PID 1608 wrote to memory of 988 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 79 PID 1608 wrote to memory of 988 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 79 PID 1608 wrote to memory of 988 1608 91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe 79 PID 988 wrote to memory of 4868 988 u18o.3.exe 81 PID 988 wrote to memory of 4868 988 u18o.3.exe 81 PID 3320 wrote to memory of 2692 3320 cmd.exe 84 PID 3320 wrote to memory of 2692 3320 cmd.exe 84 PID 3320 wrote to memory of 2692 3320 cmd.exe 84 PID 3320 wrote to memory of 2692 3320 cmd.exe 84 PID 3320 wrote to memory of 2692 3320 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe"C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Users\Admin\AppData\Local\Temp\u18o.0.exe"C:\Users\Admin\AppData\Local\Temp\u18o.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2276
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C:\Users\Admin\AppData\Local\Temp\u18o.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u18o.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:428 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3320 -
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:2692
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C:\Users\Admin\AppData\Local\Temp\u18o.3.exe"C:\Users\Admin\AppData\Local\Temp\u18o.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:988 -
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:4868
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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
1.4MB
MD52ba99c1e662f1d399d16a01b87e39afd
SHA11aa491337244074963c7bf1c95e84f4abd8ba3c5
SHA256955a922e8019a5adbe2e547aadb442f6aa10fa6c4547ef5f8ca99618f12c4357
SHA51256dd95153f33b2afbe4af43ec13f72cadd211a25350ffc84812c87b81376818f71185cf78fab45597793c48171e5f6cbd9349758c5f63acfb3c29d8867d131f1
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Filesize
3KB
MD5b147aa11a8e896253a68d885a6a94d3b
SHA1219fba90104372e0a61168bfceb807c6a0c796dd
SHA25663c5976e791705a1785b3434018021d8bc3dde6b79585100b3cbf9eb4ae1a190
SHA512829b983883f1f890b2e6413c09ab07d3102f473c24cba7383efd26590234345a05296583e47b5eed0d276f6cec5bcd129c4f53a707ae6d9dec27b2005c7c039d
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Filesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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Filesize
275KB
MD531c1bdc2c9075e8c2eab9353c41c117f
SHA1ab28fb009dc8c2fa244c773760109e38711b1025
SHA2564e08b9b37494a1917d2ab809fff59b3a45673a80d25587e51c8749331bb56233
SHA51278b995611e33b441e9ebaeecbbce3ec96bbfcac7f71bd0f639ab1e3394900be5c80893dfc8957b696609eca7ce1933d58f026c7be389795f0dcc72ad3fc35593
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Filesize
1.6MB
MD59bb67e904ac371b5ffd143f8fb54e1e2
SHA158009e463133af8b89b59716fe255b118eca872c
SHA25644afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded
SHA512573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0
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Filesize
224KB
MD53f109a02c8d642e8003a1188df40d861
SHA1f723f38471b8872443aa9177eef12a96c02cc84a
SHA2566523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5
SHA512023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da
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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
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954
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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
84KB
MD5e68562f63265e1a70881446b4b9dc455
SHA1da16ef9367bde3ce892b1a0e33bc179d8acdceb3
SHA256c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb
SHA5126bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674
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Filesize
120KB
MD5f383f6f4e764619bd19e319335d3ef2b
SHA199f287e49a15e495b4ead8e5589364a5f87b357e
SHA25603951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d
SHA5126fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934