Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-10-2024 16:27
Static task
static1
Behavioral task
behavioral1
Sample
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe
Resource
win7-20240903-en
General
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Target
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe
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Size
520KB
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MD5
fd70e2db35cfb4f56df1dd49f0846190
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SHA1
3c398665ec66a57c213d82ffb53c41cc6574007c
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SHA256
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967
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SHA512
edad6a9a96075f8eaf672373617876ae79911fb55ee311864e7556d4f12de038e0da879c91f37ecdff7e18db48e56ecec94d4c5c607b190d817c0746b452b217
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SSDEEP
6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbF:f9fC3hh29Ya77A90aFtDfT5IMbF
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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Executes dropped EXE 3 IoCs
Processes:
winupd.exewinupd.exewinupd.exepid Process 2828 winupd.exe 2328 winupd.exe 2572 winupd.exe -
Loads dropped DLL 2 IoCs
Processes:
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exepid Process 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exewinupd.exedescription pid Process procid_target PID 2660 set thread context of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2828 set thread context of 2328 2828 winupd.exe 33 PID 2828 set thread context of 2572 2828 winupd.exe 34 -
Processes:
resource yara_rule behavioral1/memory/2572-74-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-73-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-72-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-60-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-56-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-50-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-52-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-68-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-67-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-66-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-81-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-82-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-83-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-84-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-85-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-86-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-87-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-88-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-89-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-90-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-91-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-92-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2572-93-0x0000000000400000-0x00000000004B7000-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:
cmd.exereg.exef4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exef4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exewinupd.exewinupd.exewinupd.exeipconfig.exedescription ioc Process 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 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.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 -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid Process 3012 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 2572 winupd.exe Token: SeSecurityPrivilege 2572 winupd.exe Token: SeTakeOwnershipPrivilege 2572 winupd.exe Token: SeLoadDriverPrivilege 2572 winupd.exe Token: SeSystemProfilePrivilege 2572 winupd.exe Token: SeSystemtimePrivilege 2572 winupd.exe Token: SeProfSingleProcessPrivilege 2572 winupd.exe Token: SeIncBasePriorityPrivilege 2572 winupd.exe Token: SeCreatePagefilePrivilege 2572 winupd.exe Token: SeBackupPrivilege 2572 winupd.exe Token: SeRestorePrivilege 2572 winupd.exe Token: SeShutdownPrivilege 2572 winupd.exe Token: SeDebugPrivilege 2572 winupd.exe Token: SeSystemEnvironmentPrivilege 2572 winupd.exe Token: SeChangeNotifyPrivilege 2572 winupd.exe Token: SeRemoteShutdownPrivilege 2572 winupd.exe Token: SeUndockPrivilege 2572 winupd.exe Token: SeManageVolumePrivilege 2572 winupd.exe Token: SeImpersonatePrivilege 2572 winupd.exe Token: SeCreateGlobalPrivilege 2572 winupd.exe Token: 33 2572 winupd.exe Token: 34 2572 winupd.exe Token: 35 2572 winupd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exef4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exewinupd.exewinupd.exewinupd.exepid Process 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 2828 winupd.exe 2328 winupd.exe 2572 winupd.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exef4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exewinupd.exewinupd.exeipconfig.execmd.exedescription pid Process procid_target PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2660 wrote to memory of 2760 2660 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 31 PID 2760 wrote to memory of 2828 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 32 PID 2760 wrote to memory of 2828 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 32 PID 2760 wrote to memory of 2828 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 32 PID 2760 wrote to memory of 2828 2760 f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe 32 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2328 2828 winupd.exe 33 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2828 wrote to memory of 2572 2828 winupd.exe 34 PID 2328 wrote to memory of 3012 2328 winupd.exe 35 PID 2328 wrote to memory of 3012 2328 winupd.exe 35 PID 2328 wrote to memory of 3012 2328 winupd.exe 35 PID 2328 wrote to memory of 3012 2328 winupd.exe 35 PID 2328 wrote to memory of 3012 2328 winupd.exe 35 PID 2328 wrote to memory of 3012 2328 winupd.exe 35 PID 3012 wrote to memory of 2192 3012 ipconfig.exe 37 PID 3012 wrote to memory of 2192 3012 ipconfig.exe 37 PID 3012 wrote to memory of 2192 3012 ipconfig.exe 37 PID 3012 wrote to memory of 2192 3012 ipconfig.exe 37 PID 2192 wrote to memory of 2128 2192 cmd.exe 39 PID 2192 wrote to memory of 2128 2192 cmd.exe 39 PID 2192 wrote to memory of 2128 2192 cmd.exe 39 PID 2192 wrote to memory of 2128 2192 cmd.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe"C:\Users\Admin\AppData\Local\Temp\f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Local\Temp\f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe"C:\Users\Admin\AppData\Local\Temp\f4ea9fff1bf1a064e7101035b0dd4e6a3c6b7b1ce2c88e569fb653a34f63d967N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760 -
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:2828 -
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:2328 -
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:3012 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\HVRUXVYJ.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192 -
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:2128
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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:2572
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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
MD545d1b02d102082d6ffc9af9f01a61c8f
SHA1da0128f3568cc2eb68ceb8b6a13e8a904db4be2c
SHA256571dbfb4fabc802238955df83855eec6670eed2b84e7e80e79622659f4940233
SHA51207d276dde0381567e7e5a6e1f19aedcce2c0600aa04caef510e252b159b3f8857fe5ac6a8724e6bd6c5139d1cec336f963fa7470f5ed0c773ce67711bfe70428