Analysis
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max time kernel
120s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 16:33
Static task
static1
Behavioral task
behavioral1
Sample
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
Resource
win7-20240903-en
General
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Target
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
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Size
520KB
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MD5
b10b3441cfac9871aec850af5e1fcc90
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SHA1
8c67acd3b64b66eebfe8bb418cd981db728861f6
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SHA256
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2
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SHA512
f07dc79ee0dfa50009f18afe2ae462e5023818cd755d0ea34f3267f4975fb09107836b0b40dea0ce727ac64806ac8e44e90856363aaa51651b585c44236bf83d
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SSDEEP
6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbO:f9fC3hh29Ya77A90aFtDfT5IMbO
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 2952 winupd.exe 2732 winupd.exe 2708 winupd.exe -
Loads dropped DLL 2 IoCs
Processes:
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exepid process 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exewinupd.exedescription pid process target process PID 1788 set thread context of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 2952 set thread context of 2732 2952 winupd.exe winupd.exe PID 2952 set thread context of 2708 2952 winupd.exe winupd.exe -
Processes:
resource yara_rule behavioral1/memory/2708-62-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-61-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-59-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-56-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-53-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-51-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-72-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-77-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-76-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-75-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-70-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-82-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-83-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-84-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-85-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-86-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-87-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-88-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-89-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-90-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-91-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-92-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-93-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-94-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2708-95-0x0000000000400000-0x00000000004B7000-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:
ipconfig.execmd.exereg.exea1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exea1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exewinupd.exewinupd.exewinupd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.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 -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 2756 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 2708 winupd.exe Token: SeSecurityPrivilege 2708 winupd.exe Token: SeTakeOwnershipPrivilege 2708 winupd.exe Token: SeLoadDriverPrivilege 2708 winupd.exe Token: SeSystemProfilePrivilege 2708 winupd.exe Token: SeSystemtimePrivilege 2708 winupd.exe Token: SeProfSingleProcessPrivilege 2708 winupd.exe Token: SeIncBasePriorityPrivilege 2708 winupd.exe Token: SeCreatePagefilePrivilege 2708 winupd.exe Token: SeBackupPrivilege 2708 winupd.exe Token: SeRestorePrivilege 2708 winupd.exe Token: SeShutdownPrivilege 2708 winupd.exe Token: SeDebugPrivilege 2708 winupd.exe Token: SeSystemEnvironmentPrivilege 2708 winupd.exe Token: SeChangeNotifyPrivilege 2708 winupd.exe Token: SeRemoteShutdownPrivilege 2708 winupd.exe Token: SeUndockPrivilege 2708 winupd.exe Token: SeManageVolumePrivilege 2708 winupd.exe Token: SeImpersonatePrivilege 2708 winupd.exe Token: SeCreateGlobalPrivilege 2708 winupd.exe Token: 33 2708 winupd.exe Token: 34 2708 winupd.exe Token: 35 2708 winupd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exea1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exewinupd.exewinupd.exewinupd.exepid process 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe 2952 winupd.exe 2732 winupd.exe 2708 winupd.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exea1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exewinupd.exewinupd.exeipconfig.execmd.exedescription pid process target process PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 1788 wrote to memory of 2668 1788 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe PID 2668 wrote to memory of 2952 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe winupd.exe PID 2668 wrote to memory of 2952 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe winupd.exe PID 2668 wrote to memory of 2952 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe winupd.exe PID 2668 wrote to memory of 2952 2668 a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2732 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2952 wrote to memory of 2708 2952 winupd.exe winupd.exe PID 2732 wrote to memory of 2756 2732 winupd.exe ipconfig.exe PID 2732 wrote to memory of 2756 2732 winupd.exe ipconfig.exe PID 2732 wrote to memory of 2756 2732 winupd.exe ipconfig.exe PID 2732 wrote to memory of 2756 2732 winupd.exe ipconfig.exe PID 2732 wrote to memory of 2756 2732 winupd.exe ipconfig.exe PID 2732 wrote to memory of 2756 2732 winupd.exe ipconfig.exe PID 2756 wrote to memory of 2704 2756 ipconfig.exe cmd.exe PID 2756 wrote to memory of 2704 2756 ipconfig.exe cmd.exe PID 2756 wrote to memory of 2704 2756 ipconfig.exe cmd.exe PID 2756 wrote to memory of 2704 2756 ipconfig.exe cmd.exe PID 2704 wrote to memory of 3048 2704 cmd.exe reg.exe PID 2704 wrote to memory of 3048 2704 cmd.exe reg.exe PID 2704 wrote to memory of 3048 2704 cmd.exe reg.exe PID 2704 wrote to memory of 3048 2704 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe"C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe"C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exeC:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952 -
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:2732 -
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:2756 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\LHVTKUNM.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704 -
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:3048
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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:2708
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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
MD5eafbb56d47617394094e1fb45772520f
SHA113e94a3406cf93ca551ab7a06ed994b02879cb22
SHA256881f9c2ea91e46a10adc2e88224ebc7a3a6f18a9f0119318a1f6cafb3ecb2575
SHA512c13f8c2b628abd54ca73088e5d5005cb7522522599d5afab98619f56e1a5fc7e6edaaf35df2358545f8e8f75354eeb65d79cc3710efac373b02437f6709e5eb2