Analysis
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max time kernel
291s -
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
07-05-2024 23:58
Static task
static1
Behavioral task
behavioral1
Sample
ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe
Resource
win7-20240215-en
General
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Target
ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe
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Size
419KB
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MD5
23a552659649b551b45ee82f29eeb0f3
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SHA1
b11cc99614a496e169b68245248ad108d25a1ebe
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SHA256
ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9
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SHA512
77579b896acd78b1f3dc603d92004c25dfe031f9ed40a6e737d338c054e06b17d149f2341ab86b12b317005f0d5859a847c69dfa3f4c2a6a69d18e7dd6764aa0
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SSDEEP
6144:adQDC9/gjoevDLvcjEgQvXr04KLq8pGYkmCuf8Tt41:adQDSojoevn4o04T8pGYkmCh41
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/4364-173-0x0000024C88200000-0x0000024C8BA34000-memory.dmp family_zgrat_v1 behavioral2/memory/4364-174-0x0000024CA6260000-0x0000024CA636A000-memory.dmp family_zgrat_v1 behavioral2/memory/4364-178-0x0000024CA5F60000-0x0000024CA5F84000-memory.dmp family_zgrat_v1 -
Detects Arechclient2 RAT 1 IoCs
Arechclient2.
resource yara_rule behavioral2/memory/384-179-0x0000000000B00000-0x0000000000BC6000-memory.dmp MALWARE_Win_Arechclient -
SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/384-179-0x0000000000B00000-0x0000000000BC6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 780 u32s.0.exe 5076 run.exe 4288 u32s.3.exe -
Loads dropped DLL 5 IoCs
pid Process 5076 run.exe 5076 run.exe 5076 run.exe 780 u32s.0.exe 780 u32s.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 5076 set thread context of 3496 5076 run.exe 77 PID 3496 set thread context of 384 3496 cmd.exe 82 -
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 u32s.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32s.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32s.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 u32s.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u32s.0.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2168 timeout.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 5076 run.exe 5076 run.exe 3496 cmd.exe 3496 cmd.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 384 MSBuild.exe 780 u32s.0.exe 780 u32s.0.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 5076 run.exe 3496 cmd.exe 3496 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4364 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 384 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe 4288 u32s.3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 384 MSBuild.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3988 wrote to memory of 780 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 73 PID 3988 wrote to memory of 780 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 73 PID 3988 wrote to memory of 780 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 73 PID 3988 wrote to memory of 5076 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 75 PID 3988 wrote to memory of 5076 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 75 PID 3988 wrote to memory of 5076 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 75 PID 5076 wrote to memory of 3496 5076 run.exe 77 PID 5076 wrote to memory of 3496 5076 run.exe 77 PID 5076 wrote to memory of 3496 5076 run.exe 77 PID 5076 wrote to memory of 3496 5076 run.exe 77 PID 3988 wrote to memory of 4288 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 79 PID 3988 wrote to memory of 4288 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 79 PID 3988 wrote to memory of 4288 3988 ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe 79 PID 3496 wrote to memory of 384 3496 cmd.exe 82 PID 3496 wrote to memory of 384 3496 cmd.exe 82 PID 3496 wrote to memory of 384 3496 cmd.exe 82 PID 3496 wrote to memory of 384 3496 cmd.exe 82 PID 3496 wrote to memory of 384 3496 cmd.exe 82 PID 4288 wrote to memory of 4364 4288 u32s.3.exe 83 PID 4288 wrote to memory of 4364 4288 u32s.3.exe 83 PID 780 wrote to memory of 4100 780 u32s.0.exe 86 PID 780 wrote to memory of 4100 780 u32s.0.exe 86 PID 780 wrote to memory of 4100 780 u32s.0.exe 86 PID 4100 wrote to memory of 2168 4100 cmd.exe 88 PID 4100 wrote to memory of 2168 4100 cmd.exe 88 PID 4100 wrote to memory of 2168 4100 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe"C:\Users\Admin\AppData\Local\Temp\ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Users\Admin\AppData\Local\Temp\u32s.0.exe"C:\Users\Admin\AppData\Local\Temp\u32s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\u32s.0.exe" & del "C:\ProgramData\*.dll"" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
PID:2168
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C:\Users\Admin\AppData\Local\Temp\u32s.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u32s.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:5076 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3496 -
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:384
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C:\Users\Admin\AppData\Local\Temp\u32s.3.exe"C:\Users\Admin\AppData\Local\Temp\u32s.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4288 -
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:4364
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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
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
1.4MB
MD556510c011ca7bc0e80ef0e5a672d246c
SHA1ecc4d7289a597e13f53498eeaa6ed3340244cbf0
SHA256ddfa9d744ac241b17ab798980bbef99dd9fd7b49eaca4bfd214e225b36935d79
SHA5120881847c43e3cf1b638760ef4ffb956260547623e5da7e023c886a81eb99560ea1e5fe86a089eb0f7e3b79bd1b9ecfc50ca9f9e670c705038742ed05a8e307ac
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Filesize
3KB
MD58460ebfa2a7c5de0f51cec7bade84124
SHA16a17732c891990181ddf67da121e6a85c5c973a9
SHA256d27ffda99bb6b2bda511a4690f6639551c8176eecddd1e58c5aa763c0643e144
SHA51226280afe52072913a9254ebcfac38b793327738d1de897876381619a65a1d0cf1117eb5b14ec757e0fc7bb980e935a3b7ca5892d9790f3c2db19cadc6776e6c6
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Filesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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Filesize
262KB
MD5ef92ce35b564f1c40c75fc513fe11cc5
SHA121d28c08e0d79e741bd5d04f4e343846ca8c6d05
SHA25636465ac7849d2877b2194f05394ac0c540054cc771b0d8d57810c6262c2fae3a
SHA512b6618d10c9f094e7b1fef524da5abe2ab248c0addad699779328431a0b83ac73fedca162e6682dc081bf884d31ee6231265c00263fa23fdd9799c8f662f4e6f0
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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
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
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571