Analysis
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max time kernel
150s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
26-11-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
Resource
win7-20241010-en
General
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Target
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
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Size
520KB
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MD5
e18ab3843fa32dd1daf0575f3831fb17
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SHA1
115854eaa8e45adcd9e3a863bd9872349cfe90d3
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SHA256
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d
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SHA512
66f809581db6ee5cdfad8c32391e330e29b72ea51ec47dab0fc978b999ab5b918c63dea58f11e0be11400191e87e939257893bcdffc4f9e22e7b99ff561932e4
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SSDEEP
6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb4:f9fC3hh29Ya77A90aFtDfT5IMb4
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 2492 winupd.exe 2876 winupd.exe 2928 winupd.exe -
Loads dropped DLL 2 IoCs
Processes:
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exepid Process 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exewinupd.exedescription pid Process procid_target PID 2188 set thread context of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2492 set thread context of 2876 2492 winupd.exe 33 PID 2492 set thread context of 2928 2492 winupd.exe 34 -
Processes:
resource yara_rule behavioral1/memory/2928-49-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-60-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-56-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-54-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-51-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-63-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-62-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-61-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-74-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-73-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-69-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-79-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-80-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-81-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-82-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-83-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-84-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-85-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-86-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-87-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-88-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-89-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-90-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-91-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-92-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-93-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2928-94-0x0000000000400000-0x00000000004B7000-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.exe354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.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 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.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 2620 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 2928 winupd.exe Token: SeSecurityPrivilege 2928 winupd.exe Token: SeTakeOwnershipPrivilege 2928 winupd.exe Token: SeLoadDriverPrivilege 2928 winupd.exe Token: SeSystemProfilePrivilege 2928 winupd.exe Token: SeSystemtimePrivilege 2928 winupd.exe Token: SeProfSingleProcessPrivilege 2928 winupd.exe Token: SeIncBasePriorityPrivilege 2928 winupd.exe Token: SeCreatePagefilePrivilege 2928 winupd.exe Token: SeBackupPrivilege 2928 winupd.exe Token: SeRestorePrivilege 2928 winupd.exe Token: SeShutdownPrivilege 2928 winupd.exe Token: SeDebugPrivilege 2928 winupd.exe Token: SeSystemEnvironmentPrivilege 2928 winupd.exe Token: SeChangeNotifyPrivilege 2928 winupd.exe Token: SeRemoteShutdownPrivilege 2928 winupd.exe Token: SeUndockPrivilege 2928 winupd.exe Token: SeManageVolumePrivilege 2928 winupd.exe Token: SeImpersonatePrivilege 2928 winupd.exe Token: SeCreateGlobalPrivilege 2928 winupd.exe Token: 33 2928 winupd.exe Token: 34 2928 winupd.exe Token: 35 2928 winupd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exewinupd.exewinupd.exewinupd.exepid Process 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 2492 winupd.exe 2876 winupd.exe 2928 winupd.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exewinupd.exewinupd.exeipconfig.execmd.exedescription pid Process procid_target PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2188 wrote to memory of 2556 2188 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 31 PID 2556 wrote to memory of 2492 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 32 PID 2556 wrote to memory of 2492 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 32 PID 2556 wrote to memory of 2492 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 32 PID 2556 wrote to memory of 2492 2556 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe 32 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2876 2492 winupd.exe 33 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2492 wrote to memory of 2928 2492 winupd.exe 34 PID 2876 wrote to memory of 2620 2876 winupd.exe 35 PID 2876 wrote to memory of 2620 2876 winupd.exe 35 PID 2876 wrote to memory of 2620 2876 winupd.exe 35 PID 2876 wrote to memory of 2620 2876 winupd.exe 35 PID 2876 wrote to memory of 2620 2876 winupd.exe 35 PID 2876 wrote to memory of 2620 2876 winupd.exe 35 PID 2620 wrote to memory of 2576 2620 ipconfig.exe 37 PID 2620 wrote to memory of 2576 2620 ipconfig.exe 37 PID 2620 wrote to memory of 2576 2620 ipconfig.exe 37 PID 2620 wrote to memory of 2576 2620 ipconfig.exe 37 PID 2576 wrote to memory of 1692 2576 cmd.exe 39 PID 2576 wrote to memory of 1692 2576 cmd.exe 39 PID 2576 wrote to memory of 1692 2576 cmd.exe 39 PID 2576 wrote to memory of 1692 2576 cmd.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe"C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe"C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556 -
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:2492 -
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:2876 -
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:2620 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\VCUEQQRM.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576 -
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:1692
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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:2928
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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
MD5a62f4c189f860da9fc6ab75100ee7921
SHA14f5c349b73a7a35ec0475d21c1fd1166591d753f
SHA256f15c08d91cf2220eeebaeedd7b641adb41ad596dbae1398a831d3b24a7c85591
SHA51292545e104f38bbb9ddc67490e5b54cea26321ae8accea6f89fac5a2c338768fecd7d6305cacdf987e76f20897be3dd50bef5dee2f4a7795afbfbbe3b138b0097