Analysis
- max time kernel
149s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 08:50
Static task
static1
Behavioral task
behavioral1
Sample
CF7BAEDCAFB716843023534E8635C738.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
CF7BAEDCAFB716843023534E8635C738.dll
Resource
win11ltsc2024-20260709-en
General
- Target CF7BAEDCAFB716843023534E8635C738.dll
- Size 5.5MB
- Sample260816-kryz3styc1
- SHA256 8d1e5f80a54df45e67585513f09b616a0dbe17c313cb321492e56c90b2abd5d5
- MD5 cf7baedcafb716843023534e8635c738
- SHA1 c32094d67a9649e3ffe162ede79ca5f4dea2db74
- SHA512 ae0bb74cd68468f9961a3d3c49af51250691123216834811447e25bce1f9164d8552048d32a1143574e1a7a725c071de3a0f23a780dbf02bac4f464abeb6dea2
- SSDEEP 98304:HZ450y5i1sSv66fjpSBRzPTq02LToBoa+A7Z4OiZrq1DfPHNADtV6v+zM+rwroDH:HaT8iRzPTq02QBFt7Z4O7NADtV6v+zZE
- TLSH T13246CF173E5C00A6E05A1133CEA9B6E8F1AEBDF83B76019715A0BB1DFD32741CA1456B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Badlisted process makes network request 7 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 2448 rundll32.exe 9 2448 rundll32.exe 10 2448 rundll32.exe 11 2448 rundll32.exe 12 2448 rundll32.exe 13 2448 rundll32.exe 14 2448 rundll32.exe - Executes dropped EXE 1 IoCs
pid Process 5272 rundll32.exe - Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\Q: rundll32.exe - Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 api.ipify.org 1 api.ipify.org 1 icanhazip.com - Discovers running processes 1 TTPs 3 IoCs
Running process information can be used to identify security tools or plan follow-on actions.
pid Process 2068 tasklist.exe 5092 tasklist.exe 3720 tasklist.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rundll32.exe rundll32.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4996 cmd.exe 3460 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language find.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language find.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language find.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe - Delays execution with timeout.exe 3 IoCs
pid Process 4608 timeout.exe 3456 timeout.exe 2304 timeout.exe - Kills process with taskkill 1 IoCs
pid Process 4072 taskkill.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe 2448 rundll32.exe - Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeDebugPrivilege 4072 taskkill.exe Token: SeDebugPrivilege 5092 tasklist.exe Token: SeDebugPrivilege 2448 rundll32.exe Token: SeLoadDriverPrivilege 2448 rundll32.exe Token: SeTakeOwnershipPrivilege 2448 rundll32.exe Token: SeIncBasePriorityPrivilege 2448 rundll32.exe Token: SeTcbPrivilege 2448 rundll32.exe Token: SeDebugPrivilege 2448 rundll32.exe Token: SeCreateTokenPrivilege 2448 rundll32.exe Token: SeAssignPrimaryTokenPrivilege 2448 rundll32.exe Token: SeLockMemoryPrivilege 2448 rundll32.exe Token: SeIncreaseQuotaPrivilege 2448 rundll32.exe Token: SeMachineAccountPrivilege 2448 rundll32.exe Token: SeTcbPrivilege 2448 rundll32.exe Token: SeSecurityPrivilege 2448 rundll32.exe Token: SeTakeOwnershipPrivilege 2448 rundll32.exe Token: SeLoadDriverPrivilege 2448 rundll32.exe Token: SeSystemProfilePrivilege 2448 rundll32.exe Token: SeSystemtimePrivilege 2448 rundll32.exe Token: SeProfSingleProcessPrivilege 2448 rundll32.exe Token: SeIncBasePriorityPrivilege 2448 rundll32.exe Token: SeCreatePagefilePrivilege 2448 rundll32.exe Token: SeCreatePermanentPrivilege 2448 rundll32.exe Token: SeBackupPrivilege 2448 rundll32.exe Token: SeRestorePrivilege 2448 rundll32.exe Token: SeShutdownPrivilege 2448 rundll32.exe Token: SeDebugPrivilege 2448 rundll32.exe Token: SeAuditPrivilege 2448 rundll32.exe Token: SeSystemEnvironmentPrivilege 2448 rundll32.exe Token: SeChangeNotifyPrivilege 2448 rundll32.exe Token: SeRemoteShutdownPrivilege 2448 rundll32.exe Token: SeUndockPrivilege 2448 rundll32.exe Token: SeSyncAgentPrivilege 2448 rundll32.exe Token: SeEnableDelegationPrivilege 2448 rundll32.exe Token: SeManageVolumePrivilege 2448 rundll32.exe Token: SeImpersonatePrivilege 2448 rundll32.exe Token: SeCreateGlobalPrivilege 2448 rundll32.exe Token: 31 2448 rundll32.exe Token: 32 2448 rundll32.exe Token: 33 2448 rundll32.exe Token: 34 2448 rundll32.exe Token: 35 2448 rundll32.exe Token: SeDebugPrivilege 3720 tasklist.exe Token: SeDebugPrivilege 2068 tasklist.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2448 rundll32.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4208 wrote to memory of 2448 4208 rundll32.exe 89 PID 2448 wrote to memory of 4072 2448 rundll32.exe 90 PID 2448 wrote to memory of 4996 2448 rundll32.exe 93 PID 4996 wrote to memory of 3460 4996 cmd.exe 95 PID 3460 wrote to memory of 5092 3460 cmd.exe 96 PID 3460 wrote to memory of 2644 3460 cmd.exe 97 PID 3460 wrote to memory of 2304 3460 cmd.exe 98 PID 3460 wrote to memory of 3720 3460 cmd.exe 102 PID 3460 wrote to memory of 5072 3460 cmd.exe 103 PID 3460 wrote to memory of 4608 3460 cmd.exe 104 PID 3460 wrote to memory of 2068 3460 cmd.exe 105 PID 3460 wrote to memory of 5524 3460 cmd.exe 106 PID 3460 wrote to memory of 3456 3460 cmd.exe 107
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CF7BAEDCAFB716843023534E8635C738.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CF7BAEDCAFB716843023534E8635C738.dll,#12⤵
- Badlisted process makes network request
- Enumerates connected drives
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im cmd.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4072
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C:\Windows\SysWOW64\cmd.execmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\BC2411DEE9DC\BC2411DEE9DC.CMD3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\SysWOW64\cmd.execmd /C C:\Users\Admin\AppData\Local\Temp\BC2411DEE9DC\BC2411DEE9DC.CMD4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\tasklist.exeTASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV5⤵
- Discovers running processes
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5092
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C:\Windows\SysWOW64\find.exeFIND /I "rundll32.exe"5⤵
- System Location Discovery: System Language Discovery
PID:2644
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C:\Windows\SysWOW64\timeout.exeTIMEOUT /t 60 /nobreak5⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2304
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C:\Windows\SysWOW64\tasklist.exeTASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV5⤵
- Discovers running processes
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3720
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C:\Windows\SysWOW64\find.exeFIND /I "rundll32.exe"5⤵
- System Location Discovery: System Language Discovery
PID:5072
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C:\Windows\SysWOW64\timeout.exeTIMEOUT /t 60 /nobreak5⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4608
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C:\Windows\SysWOW64\tasklist.exeTASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV5⤵
- Discovers running processes
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2068
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C:\Windows\SysWOW64\find.exeFIND /I "rundll32.exe"5⤵
- System Location Discovery: System Language Discovery
PID:5524
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C:\Windows\SysWOW64\timeout.exeTIMEOUT /t 60 /nobreak5⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3456
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5272
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\BC2411DEE9DC\BC2411DEE9DC.CMD
- Size 1KB
- SHA256 84a68471689f0c24df7626af75ebb43ded713f8b8863e2800d31daaf14167ddf
- MD5 d357579f40af54c1214a9c879354fe3e
- SHA1 3a7d29bf571fd7e3681e919b5367c798795757d5
- SHA512 d17b00ae57b3d9e3a8aef4763d0d27aa68296afeccdefd587dbc35238e04c44686116890b4cba230c5c12c2e6fa9f0752c1b57d9f7e3f6fb5116fd6277ce7c9a
- TLSH T1EF31448EC4174D2C431442DF1787CC5FC640E043FE947090B5E89F8023C5A4E08A6BED
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\rundll32.exe
- Size 51KB
- SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
- MD5 2e068ce2770fde8d1af4cb114b98df1f
- SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
- SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
- SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
- TLSH T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
- MD5 SHA1 SHA512 SSDEEP TLSH