Overview
overview
10Static
static
10lab_02_win...5b.exe
windows7_x64
8lab_02_win...5b.exe
windows10_x64
8lab_02_win...82.exe
windows7_x64
8lab_02_win...82.exe
windows10_x64
8lab_02_win...63.exe
windows7_x64
10lab_02_win...63.exe
windows10_x64
10lab_02_win...15.exe
windows7_x64
8lab_02_win...15.exe
windows10_x64
8lab_02_win...c7.exe
windows7_x64
8lab_02_win...c7.exe
windows10_x64
8Analysis
-
max time kernel
300s -
max time network
276s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
25-06-2021 09:58
Behavioral task
behavioral1
Sample
lab_02_win10x64/1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
lab_02_win10x64/1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
Resource
win10v20210410
Behavioral task
behavioral3
Sample
lab_02_win10x64/6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe
Resource
win7v20210408
Behavioral task
behavioral4
Sample
lab_02_win10x64/6562e2ac60afa314cd463f771fcfb8be70f947f6e2b314b0c48187eebb33dd82.exe
Resource
win10v20210410
Behavioral task
behavioral5
Sample
lab_02_win10x64/6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe
Resource
win7v20210408
Behavioral task
behavioral6
Sample
lab_02_win10x64/6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe
Resource
win10v20210410
Behavioral task
behavioral7
Sample
lab_02_win10x64/a380617cf945ca35dbbc3d031bcc612f0dca96c1027a75003182ba5be2851215.exe
Resource
win7v20210408
Behavioral task
behavioral8
Sample
lab_02_win10x64/a380617cf945ca35dbbc3d031bcc612f0dca96c1027a75003182ba5be2851215.exe
Resource
win10v20210410
Behavioral task
behavioral9
Sample
lab_02_win10x64/b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe
Resource
win7v20210410
Behavioral task
behavioral10
Sample
lab_02_win10x64/b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe
Resource
win10v20210408
General
Malware Config
Extracted
darkcomet
Guest16
test213.no-ip.info:1604
DC_MUTEX-KHNEW06
-
InstallPath
MSDCSC\runddl32.exe
-
gencode
F6FE8i2BxCpu
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\runddl32.exe" 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe -
Executes dropped EXE 1 IoCs
Processes:
runddl32.exepid process 876 runddl32.exe -
Loads dropped DLL 2 IoCs
Processes:
6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exepid process 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exerunddl32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\runddl32.exe" 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\runddl32.exe" runddl32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
runddl32.exepid process 876 runddl32.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exerunddl32.exedescription pid process Token: SeIncreaseQuotaPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeSecurityPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeTakeOwnershipPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeLoadDriverPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeSystemProfilePrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeSystemtimePrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeProfSingleProcessPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeIncBasePriorityPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeCreatePagefilePrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeBackupPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeRestorePrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeShutdownPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeDebugPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeSystemEnvironmentPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeChangeNotifyPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeRemoteShutdownPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeUndockPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeManageVolumePrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeImpersonatePrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeCreateGlobalPrivilege 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: 33 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: 34 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: 35 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe Token: SeIncreaseQuotaPrivilege 876 runddl32.exe Token: SeSecurityPrivilege 876 runddl32.exe Token: SeTakeOwnershipPrivilege 876 runddl32.exe Token: SeLoadDriverPrivilege 876 runddl32.exe Token: SeSystemProfilePrivilege 876 runddl32.exe Token: SeSystemtimePrivilege 876 runddl32.exe Token: SeProfSingleProcessPrivilege 876 runddl32.exe Token: SeIncBasePriorityPrivilege 876 runddl32.exe Token: SeCreatePagefilePrivilege 876 runddl32.exe Token: SeBackupPrivilege 876 runddl32.exe Token: SeRestorePrivilege 876 runddl32.exe Token: SeShutdownPrivilege 876 runddl32.exe Token: SeDebugPrivilege 876 runddl32.exe Token: SeSystemEnvironmentPrivilege 876 runddl32.exe Token: SeChangeNotifyPrivilege 876 runddl32.exe Token: SeRemoteShutdownPrivilege 876 runddl32.exe Token: SeUndockPrivilege 876 runddl32.exe Token: SeManageVolumePrivilege 876 runddl32.exe Token: SeImpersonatePrivilege 876 runddl32.exe Token: SeCreateGlobalPrivilege 876 runddl32.exe Token: 33 876 runddl32.exe Token: 34 876 runddl32.exe Token: 35 876 runddl32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
runddl32.exepid process 876 runddl32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.execmd.execmd.exerunddl32.exedescription pid process target process PID 1104 wrote to memory of 1984 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1984 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1984 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1984 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1996 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1996 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1996 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1104 wrote to memory of 1996 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe cmd.exe PID 1984 wrote to memory of 1712 1984 cmd.exe attrib.exe PID 1984 wrote to memory of 1712 1984 cmd.exe attrib.exe PID 1984 wrote to memory of 1712 1984 cmd.exe attrib.exe PID 1984 wrote to memory of 1712 1984 cmd.exe attrib.exe PID 1996 wrote to memory of 1756 1996 cmd.exe attrib.exe PID 1996 wrote to memory of 1756 1996 cmd.exe attrib.exe PID 1996 wrote to memory of 1756 1996 cmd.exe attrib.exe PID 1996 wrote to memory of 1756 1996 cmd.exe attrib.exe PID 1104 wrote to memory of 876 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe runddl32.exe PID 1104 wrote to memory of 876 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe runddl32.exe PID 1104 wrote to memory of 876 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe runddl32.exe PID 1104 wrote to memory of 876 1104 6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe runddl32.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe PID 876 wrote to memory of 1372 876 runddl32.exe notepad.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1712 attrib.exe 1756 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\lab_02_win10x64\6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe"C:\Users\Admin\AppData\Local\Temp\lab_02_win10x64\6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\lab_02_win10x64\6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\lab_02_win10x64\6d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363.exe" +s +h3⤵
- Views/modifies file attributes
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\lab_02_win10x64" +s +h2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\lab_02_win10x64" +s +h3⤵
- Views/modifies file attributes
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C:\Users\Admin\AppData\Local\Temp\MSDCSC\runddl32.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\runddl32.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\MSDCSC\runddl32.exeMD5
f6351da84168d40fae8da0c156fbab0f
SHA11a2283c85bc5c655f5f2f77f27ec3a9412e8db7e
SHA2566d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363
SHA5129948e83f004bb6d0edf14626660365e469dec444128e820f82066e73177f5de109d048fe226a9cbe95cfc6a99a9d4c501ab3f3900aa2e3677434f03d52694607
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C:\Users\Admin\AppData\Local\Temp\MSDCSC\runddl32.exeMD5
f6351da84168d40fae8da0c156fbab0f
SHA11a2283c85bc5c655f5f2f77f27ec3a9412e8db7e
SHA2566d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363
SHA5129948e83f004bb6d0edf14626660365e469dec444128e820f82066e73177f5de109d048fe226a9cbe95cfc6a99a9d4c501ab3f3900aa2e3677434f03d52694607
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\Users\Admin\AppData\Local\Temp\MSDCSC\runddl32.exeMD5
f6351da84168d40fae8da0c156fbab0f
SHA11a2283c85bc5c655f5f2f77f27ec3a9412e8db7e
SHA2566d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363
SHA5129948e83f004bb6d0edf14626660365e469dec444128e820f82066e73177f5de109d048fe226a9cbe95cfc6a99a9d4c501ab3f3900aa2e3677434f03d52694607
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\Users\Admin\AppData\Local\Temp\MSDCSC\runddl32.exeMD5
f6351da84168d40fae8da0c156fbab0f
SHA11a2283c85bc5c655f5f2f77f27ec3a9412e8db7e
SHA2566d34ded00c0da9887ba752872093f59c649de72a1f629a32014f5ed8be509363
SHA5129948e83f004bb6d0edf14626660365e469dec444128e820f82066e73177f5de109d048fe226a9cbe95cfc6a99a9d4c501ab3f3900aa2e3677434f03d52694607
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memory/876-68-0x0000000000000000-mapping.dmp
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memory/876-74-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1104-65-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1104-60-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/1372-72-0x0000000000000000-mapping.dmp
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memory/1372-75-0x00000000001A0000-0x00000000001A1000-memory.dmpFilesize
4KB
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memory/1712-63-0x0000000000000000-mapping.dmp
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memory/1756-64-0x0000000000000000-mapping.dmp
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memory/1984-61-0x0000000000000000-mapping.dmp
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memory/1996-62-0x0000000000000000-mapping.dmp