Analysis
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max time kernel
150s -
max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
27-10-2024 10:02
Static task
static1
Behavioral task
behavioral1
Sample
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
Resource
win7-20241010-en
General
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Target
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
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Size
520KB
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MD5
e5f0c29a42fb571a989a2e0dabafcd80
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SHA1
8b3c31a73acf6bd6029d4d25103f83c8dbc348d9
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SHA256
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05
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SHA512
5f1f28046b5abcc03edee7087a95c909e94daa800b8cd1bbb6bbffded89c1bbcc520b87ad53a7526eb4b2179ccc824ca24bbf098cd2f4635cc1a177c6ce201b5
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SSDEEP
6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbH:f9fC3hh29Ya77A90aFtDfT5IMbH
Malware Config
Extracted
darkcomet
PrivateEye
ratblackshades.no-ip.biz:1604
DC_MUTEX-ACC1R98
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gencode
8GG5LVVGljSF
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install
false
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offline_keylogger
true
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persistence
false
Signatures
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Darkcomet family
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Executes dropped EXE 3 IoCs
Processes:
winupd.exewinupd.exewinupd.exepid Process 3020 winupd.exe 2840 winupd.exe 2824 winupd.exe -
Loads dropped DLL 4 IoCs
Processes:
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exepid Process 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 3020 winupd.exe 3020 winupd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exedescription pid Process procid_target PID 3064 set thread context of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3020 set thread context of 2840 3020 winupd.exe 32 PID 3020 set thread context of 2824 3020 winupd.exe 33 -
Processes:
resource yara_rule behavioral1/memory/2824-80-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-79-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-73-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-72-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-75-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-65-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-63-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-59-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-57-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-85-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-87-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-86-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-88-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-89-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-90-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-91-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-92-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-93-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-94-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-95-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-96-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-97-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-98-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-99-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2824-100-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
reg.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exewinupd.exewinupd.exeipconfig.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid Process 2260 ipconfig.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 23 IoCs
Processes:
winupd.exedescription pid Process Token: SeIncreaseQuotaPrivilege 2824 winupd.exe Token: SeSecurityPrivilege 2824 winupd.exe Token: SeTakeOwnershipPrivilege 2824 winupd.exe Token: SeLoadDriverPrivilege 2824 winupd.exe Token: SeSystemProfilePrivilege 2824 winupd.exe Token: SeSystemtimePrivilege 2824 winupd.exe Token: SeProfSingleProcessPrivilege 2824 winupd.exe Token: SeIncBasePriorityPrivilege 2824 winupd.exe Token: SeCreatePagefilePrivilege 2824 winupd.exe Token: SeBackupPrivilege 2824 winupd.exe Token: SeRestorePrivilege 2824 winupd.exe Token: SeShutdownPrivilege 2824 winupd.exe Token: SeDebugPrivilege 2824 winupd.exe Token: SeSystemEnvironmentPrivilege 2824 winupd.exe Token: SeChangeNotifyPrivilege 2824 winupd.exe Token: SeRemoteShutdownPrivilege 2824 winupd.exe Token: SeUndockPrivilege 2824 winupd.exe Token: SeManageVolumePrivilege 2824 winupd.exe Token: SeImpersonatePrivilege 2824 winupd.exe Token: SeCreateGlobalPrivilege 2824 winupd.exe Token: 33 2824 winupd.exe Token: 34 2824 winupd.exe Token: 35 2824 winupd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exewinupd.exewinupd.exepid Process 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 3020 winupd.exe 2840 winupd.exe 2824 winupd.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exewinupd.exeipconfig.execmd.exedescription pid Process procid_target PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 3064 wrote to memory of 2140 3064 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 30 PID 2140 wrote to memory of 3020 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 31 PID 2140 wrote to memory of 3020 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 31 PID 2140 wrote to memory of 3020 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 31 PID 2140 wrote to memory of 3020 2140 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe 31 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2840 3020 winupd.exe 32 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 3020 wrote to memory of 2824 3020 winupd.exe 33 PID 2840 wrote to memory of 2260 2840 winupd.exe 34 PID 2840 wrote to memory of 2260 2840 winupd.exe 34 PID 2840 wrote to memory of 2260 2840 winupd.exe 34 PID 2840 wrote to memory of 2260 2840 winupd.exe 34 PID 2840 wrote to memory of 2260 2840 winupd.exe 34 PID 2840 wrote to memory of 2260 2840 winupd.exe 34 PID 2260 wrote to memory of 2748 2260 ipconfig.exe 36 PID 2260 wrote to memory of 2748 2260 ipconfig.exe 36 PID 2260 wrote to memory of 2748 2260 ipconfig.exe 36 PID 2260 wrote to memory of 2748 2260 ipconfig.exe 36 PID 2748 wrote to memory of 1088 2748 cmd.exe 38 PID 2748 wrote to memory of 1088 2748 cmd.exe 38 PID 2748 wrote to memory of 1088 2748 cmd.exe 38 PID 2748 wrote to memory of 1088 2748 cmd.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe"C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe"C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exeC:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\system32\ipconfig.exe"5⤵
- System Location Discovery: System Language Discovery
- Gathers network information
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\QJIQEEFA.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\reg.exeREG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f7⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1088
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C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD5cac890d00365d07b9ca89def17cc3a36
SHA16fa99679ede791c16b5d3e6d243a98e8bbdb7eab
SHA2564f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da
SHA512124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1
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Filesize
520KB
MD5d660ccb4b12032c98b9a82cf075deaa3
SHA1cfaab7e0b1f0a4fb2f5fa8df208ef262651941cd
SHA2562320d3d54e35eb6bc7c540001cb46a49667128ee8223f30dd74641b8184efad7
SHA512f6365a9bc7fbc7177e74dc60a8a512c940d5f8dfe9d07093e5b5cb166957dcb4e68d0375217a62c78c05c5c94750d97a2d5bc4814d67a01dd6a5d39afc02a2c6