Analysis
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max time kernel
239s -
max time network
266s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08-05-2024 23:12
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/2032-236-0x0000000001000000-0x0000000004834000-memory.dmp family_zgrat_v1 behavioral1/memory/2032-237-0x000000001EF20000-0x000000001F02A000-memory.dmp family_zgrat_v1 behavioral1/memory/2032-241-0x0000000005C40000-0x0000000005C64000-memory.dmp family_zgrat_v1 -
Detects Arechclient2 RAT 1 IoCs
Arechclient2.
resource yara_rule behavioral1/memory/2308-269-0x0000000000400000-0x00000000004C6000-memory.dmp MALWARE_Win_Arechclient -
SectopRAT payload 1 IoCs
resource yara_rule behavioral1/memory/2308-269-0x0000000000400000-0x00000000004C6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 2992 u21k.0.exe 1632 run.exe 1244 u21k.3.exe -
Loads dropped DLL 16 IoCs
pid Process 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 1632 run.exe 1632 run.exe 1632 run.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 1656 cmd.exe -
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 1632 set thread context of 1656 1632 run.exe 32 PID 1656 set thread context of 2308 1656 cmd.exe 38 -
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 u21k.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u21k.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u21k.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 u21k.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u21k.0.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1632 run.exe 1632 run.exe 1656 cmd.exe 1656 cmd.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2308 MSBuild.exe 2308 MSBuild.exe 2992 u21k.0.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1632 run.exe 1656 cmd.exe 1656 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 2308 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe 1244 u21k.3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2308 MSBuild.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2648 wrote to memory of 2992 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2648 wrote to memory of 2992 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2648 wrote to memory of 2992 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2648 wrote to memory of 2992 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 28 PID 2648 wrote to memory of 1632 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 30 PID 2648 wrote to memory of 1632 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 30 PID 2648 wrote to memory of 1632 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 30 PID 2648 wrote to memory of 1632 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 30 PID 1632 wrote to memory of 1656 1632 run.exe 32 PID 1632 wrote to memory of 1656 1632 run.exe 32 PID 1632 wrote to memory of 1656 1632 run.exe 32 PID 1632 wrote to memory of 1656 1632 run.exe 32 PID 1632 wrote to memory of 1656 1632 run.exe 32 PID 2648 wrote to memory of 1244 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 35 PID 2648 wrote to memory of 1244 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 35 PID 2648 wrote to memory of 1244 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 35 PID 2648 wrote to memory of 1244 2648 683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe 35 PID 1244 wrote to memory of 2032 1244 u21k.3.exe 37 PID 1244 wrote to memory of 2032 1244 u21k.3.exe 37 PID 1244 wrote to memory of 2032 1244 u21k.3.exe 37 PID 1244 wrote to memory of 2032 1244 u21k.3.exe 37 PID 1656 wrote to memory of 2308 1656 cmd.exe 38 PID 1656 wrote to memory of 2308 1656 cmd.exe 38 PID 1656 wrote to memory of 2308 1656 cmd.exe 38 PID 1656 wrote to memory of 2308 1656 cmd.exe 38 PID 1656 wrote to memory of 2308 1656 cmd.exe 38 PID 1656 wrote to memory of 2308 1656 cmd.exe 38
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:2648 -
C:\Users\Admin\AppData\Local\Temp\u21k.0.exe"C:\Users\Admin\AppData\Local\Temp\u21k.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2992
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C:\Users\Admin\AppData\Local\Temp\u21k.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u21k.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:1632 -
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:1656 -
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:2308
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C:\Users\Admin\AppData\Local\Temp\u21k.3.exe"C:\Users\Admin\AppData\Local\Temp\u21k.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1244 -
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:2032
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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\81950f7e7cbd108086cf2da3a401afdfffc60d9b485aac5dd52f7a137c00f950\1a43233d3cd44fa3a626560d5f564741.tmp
Filesize1KB
MD50ebf1be3343441ca377639c38fb4127d
SHA1f6033913389ca06d673986bbf8c147a9adcb7527
SHA2561646323bffc014bbec6e03feaf224b219d2188b2b88d294ee86b31f4cf00e20a
SHA51278564ae49c3bc3da3020a05097da07d9616c3391445945383e950c9c4813201e259bfd571cd8525e93afd9287e213ee6e2a9bb13f2f51990a705aad1fb15b0a4
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Filesize
1.4MB
MD5176c02afd3c74cf561afe2c2efcaa48a
SHA11ca9b68555af64b52b8dfae944d1f30cb8c641cf
SHA2562df7fa1c40e59ed160623a0ca7f8fe5202f8647af99a1f1c0b9078dc769dd598
SHA512a0d2f126e3fd8d2a838d7b168b64541d15b4eed474743cfe6a70f30c845f035ca8554b29a8218a43035b0371b0ac1486e704f500ef7fdadcacbc2e5213e6ea86
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Filesize
1.6MB
MD59bb67e904ac371b5ffd143f8fb54e1e2
SHA158009e463133af8b89b59716fe255b118eca872c
SHA25644afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded
SHA512573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0
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Filesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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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
223KB
MD5280229b137b0f36f2b18b9bc7841995d
SHA1d800c8ecc758ccacfe9a91efd45904efcc17b84a
SHA25649533fc0ca008e430d35fdabab4b200a70e629e62f5b16f9157b5a82b6494536
SHA512aeb7566ad83b6b1a01e2d8f6e557a18a75a8bd4229f72cc9e1b1ffe9dd86d14469937eea221e0d436274d4444d4f1732098b98ca3ddc3c7aec65867107fbdec5
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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
446KB
MD5485008b43f0edceba0e0d3ca04bc1c1a
SHA155ae8f105af415bb763d1b87f6572f078052877c
SHA25612c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10
SHA512402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954