Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 17:22
Static task
static1
Behavioral task
behavioral1
Sample
c99818a50f8c02af5204158301bf8552993c03ade20f2016b5997d440d2297c5.xll
Resource
win7-20240508-en
General
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Target
c99818a50f8c02af5204158301bf8552993c03ade20f2016b5997d440d2297c5.xll
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Size
819KB
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MD5
568383287c850ef98c2fde1c642870f2
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SHA1
f8487d82118c0439545fddde534bdde0250885ee
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SHA256
c99818a50f8c02af5204158301bf8552993c03ade20f2016b5997d440d2297c5
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SHA512
11e5d1b7eb2113a5d283e01ea715479f84fb401a2f0940639368cf4453f0a478c8af905aae8fdb3b05c9a090f4838cbfb9b5f0ec509d533b8ffc36ad858df3a0
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SSDEEP
12288:1G1N4HkcgMsiOd58bzbBSreqQ0uqZzD1reWabd/84QKycycwU636x2Cd5J:1oOOMX16+QHT+dbQKZBxP5
Malware Config
Extracted
Extracted
xenorat
91.92.248.167
Wolid_rat_nd8889g
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delay
60000
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install_path
appdata
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port
1279
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startup_name
qns
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 8b5a1244-5d84-4311-a602-9a7813431ea8.exe -
Executes dropped EXE 8 IoCs
pid Process 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 2136 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 932 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 4872 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 4604 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 2044 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 4360 8b5a1244-5d84-4311-a602-9a7813431ea8.exe -
Loads dropped DLL 2 IoCs
pid Process 3776 EXCEL.EXE 3776 EXCEL.EXE -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 556 set thread context of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 set thread context of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 set thread context of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 3368 set thread context of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 set thread context of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 set thread context of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2076 4872 WerFault.exe 84 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1400 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3776 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3776 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3776 EXCEL.EXE Token: SeDebugPrivilege 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe Token: SeDebugPrivilege 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3776 EXCEL.EXE 3776 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE 3776 EXCEL.EXE -
Suspicious use of WriteProcessMemory 57 IoCs
description pid Process procid_target PID 3776 wrote to memory of 556 3776 EXCEL.EXE 81 PID 3776 wrote to memory of 556 3776 EXCEL.EXE 81 PID 3776 wrote to memory of 556 3776 EXCEL.EXE 81 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 2136 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 82 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 932 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 83 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 556 wrote to memory of 4872 556 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 84 PID 2136 wrote to memory of 3368 2136 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 87 PID 2136 wrote to memory of 3368 2136 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 87 PID 2136 wrote to memory of 3368 2136 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 87 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 4604 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 89 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 2044 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 90 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 3368 wrote to memory of 4360 3368 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 91 PID 932 wrote to memory of 1400 932 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 102 PID 932 wrote to memory of 1400 932 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 102 PID 932 wrote to memory of 1400 932 8b5a1244-5d84-4311-a602-9a7813431ea8.exe 102
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c99818a50f8c02af5204158301bf8552993c03ade20f2016b5997d440d2297c5.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3776 -
C:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exe"C:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exeC:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exe"C:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exeC:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exe5⤵
- Executes dropped EXE
PID:4604
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C:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exeC:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exe5⤵
- Executes dropped EXE
PID:2044
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C:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exeC:\Users\Admin\AppData\Roaming\XenoManager\8b5a1244-5d84-4311-a602-9a7813431ea8.exe5⤵
- Executes dropped EXE
PID:4360
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C:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exeC:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "qns" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B3D.tmp" /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:1400
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C:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exeC:\Users\Admin\AppData\Local\Temp\8b5a1244-5d84-4311-a602-9a7813431ea8.exe3⤵
- Executes dropped EXE
PID:4872 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 804⤵
- Program crash
PID:2076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4872 -ip 48721⤵PID:1488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8b5a1244-5d84-4311-a602-9a7813431ea8.exe.log
Filesize522B
MD58334a471a4b492ece225b471b8ad2fc8
SHA11cb24640f32d23e8f7800bd0511b7b9c3011d992
SHA2565612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169
SHA51256ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36
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Filesize
234KB
MD5f8a5baf3665522e063b7c2a32f6e09d9
SHA1fbc67542afdc39e3da28eda62c77a5fe9cdcb28e
SHA256b7ec8f3a40f0f598986870753221b468160d4485825fe5056ad618300b3a9c0b
SHA5126345049ce349dd282269f8afa99ff8e1fe2441f1527b0a1c90ab8e80a7fe6def964827306dd84efdeee623dc830d2dfc9001aa0f14e12e9034a9764e4870e535
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C:\Users\Admin\AppData\Local\Temp\c99818a50f8c02af5204158301bf8552993c03ade20f2016b5997d440d2297c5.xll
Filesize819KB
MD5568383287c850ef98c2fde1c642870f2
SHA1f8487d82118c0439545fddde534bdde0250885ee
SHA256c99818a50f8c02af5204158301bf8552993c03ade20f2016b5997d440d2297c5
SHA51211e5d1b7eb2113a5d283e01ea715479f84fb401a2f0940639368cf4453f0a478c8af905aae8fdb3b05c9a090f4838cbfb9b5f0ec509d533b8ffc36ad858df3a0
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Filesize
1KB
MD5c9379449eb8a5035a3139c51258c1a27
SHA13213c120bcd7e35b1fb45e3fc63afa09f97d3c68
SHA256cc8f7b9f478963ee434a5bac8a0c0056de67a4e6c4ffcc60aab9586724502afa
SHA5122e326b49c30349e0ccdc97948b514911732dd9a8189a06688e30667efc182b2ce0158a9b0319cf0de22a15b2a2cb1e5dd96fe932bc46d67933a25c814dee5951