Analysis
-
max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 11:11
Behavioral task
behavioral1
Sample
8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe
Resource
win10v2004-20241007-en
General
-
Target
8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe
-
Size
251KB
-
MD5
57bd4f73690590693b5b921f29679410
-
SHA1
c2cb47bf602541043589e979f21c3d7c1698e3ac
-
SHA256
8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa
-
SHA512
00b543644058a93f1c0a13e4d40b1c4e76f9581325f1773d79983761ca6903643e5a44717e7785b27a8fac2a6609c19032e3f412d3339e9cc5dc697791890318
-
SSDEEP
6144:ZcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:ZcW7KEZlPzCy37
Malware Config
Extracted
darkcomet
GoogleDebugger
147.185.221.24:14161
RO_MUTEX-8HU43EZ
-
InstallPath
ChromeCookies\ChromeCookie.exe
-
gencode
WN0BLB8aPxBw
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
GoogleDebugJ
Signatures
-
Darkcomet family
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description 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\\ChromeCookies\\ChromeCookie.exe" 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe -
Disables Task Manager via registry modification
-
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 640 attrib.exe 2900 attrib.exe -
Executes dropped EXE 1 IoCs
pid Process 2204 ChromeCookie.exe -
Loads dropped DLL 2 IoCs
pid Process 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\GoogleDebugJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ChromeCookies\\ChromeCookie.exe" 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\GoogleDebugJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ChromeCookies\\ChromeCookie.exe" ChromeCookie.exe -
resource yara_rule behavioral1/memory/2244-0-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/files/0x0008000000019394-6.dat upx behavioral1/memory/2204-15-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2244-57-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-58-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-59-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-60-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-61-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-62-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-63-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-64-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-65-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-66-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-67-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-68-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-69-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-70-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2204-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ChromeCookie.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeSecurityPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeTakeOwnershipPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeLoadDriverPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeSystemProfilePrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeSystemtimePrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeProfSingleProcessPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeIncBasePriorityPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeCreatePagefilePrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeBackupPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeRestorePrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeShutdownPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeDebugPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeSystemEnvironmentPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeChangeNotifyPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeRemoteShutdownPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeUndockPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeManageVolumePrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeImpersonatePrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeCreateGlobalPrivilege 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: 33 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: 34 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: 35 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe Token: SeIncreaseQuotaPrivilege 2204 ChromeCookie.exe Token: SeSecurityPrivilege 2204 ChromeCookie.exe Token: SeTakeOwnershipPrivilege 2204 ChromeCookie.exe Token: SeLoadDriverPrivilege 2204 ChromeCookie.exe Token: SeSystemProfilePrivilege 2204 ChromeCookie.exe Token: SeSystemtimePrivilege 2204 ChromeCookie.exe Token: SeProfSingleProcessPrivilege 2204 ChromeCookie.exe Token: SeIncBasePriorityPrivilege 2204 ChromeCookie.exe Token: SeCreatePagefilePrivilege 2204 ChromeCookie.exe Token: SeBackupPrivilege 2204 ChromeCookie.exe Token: SeRestorePrivilege 2204 ChromeCookie.exe Token: SeShutdownPrivilege 2204 ChromeCookie.exe Token: SeDebugPrivilege 2204 ChromeCookie.exe Token: SeSystemEnvironmentPrivilege 2204 ChromeCookie.exe Token: SeChangeNotifyPrivilege 2204 ChromeCookie.exe Token: SeRemoteShutdownPrivilege 2204 ChromeCookie.exe Token: SeUndockPrivilege 2204 ChromeCookie.exe Token: SeManageVolumePrivilege 2204 ChromeCookie.exe Token: SeImpersonatePrivilege 2204 ChromeCookie.exe Token: SeCreateGlobalPrivilege 2204 ChromeCookie.exe Token: 33 2204 ChromeCookie.exe Token: 34 2204 ChromeCookie.exe Token: 35 2204 ChromeCookie.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2204 ChromeCookie.exe -
Suspicious use of WriteProcessMemory 51 IoCs
description pid Process procid_target PID 2244 wrote to memory of 2892 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 30 PID 2244 wrote to memory of 2892 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 30 PID 2244 wrote to memory of 2892 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 30 PID 2244 wrote to memory of 2892 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 30 PID 2244 wrote to memory of 2896 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 31 PID 2244 wrote to memory of 2896 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 31 PID 2244 wrote to memory of 2896 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 31 PID 2244 wrote to memory of 2896 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 31 PID 2896 wrote to memory of 640 2896 cmd.exe 34 PID 2896 wrote to memory of 640 2896 cmd.exe 34 PID 2896 wrote to memory of 640 2896 cmd.exe 34 PID 2896 wrote to memory of 640 2896 cmd.exe 34 PID 2892 wrote to memory of 2900 2892 cmd.exe 35 PID 2892 wrote to memory of 2900 2892 cmd.exe 35 PID 2892 wrote to memory of 2900 2892 cmd.exe 35 PID 2892 wrote to memory of 2900 2892 cmd.exe 35 PID 2244 wrote to memory of 2204 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 36 PID 2244 wrote to memory of 2204 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 36 PID 2244 wrote to memory of 2204 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 36 PID 2244 wrote to memory of 2204 2244 8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe 36 PID 2204 wrote to memory of 2920 2204 ChromeCookie.exe 37 PID 2204 wrote to memory of 2920 2204 ChromeCookie.exe 37 PID 2204 wrote to memory of 2920 2204 ChromeCookie.exe 37 PID 2204 wrote to memory of 2920 2204 ChromeCookie.exe 37 PID 2204 wrote to memory of 2924 2204 ChromeCookie.exe 38 PID 2204 wrote to memory of 2924 2204 ChromeCookie.exe 38 PID 2204 wrote to memory of 2924 2204 ChromeCookie.exe 38 PID 2204 wrote to memory of 2924 2204 ChromeCookie.exe 38 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 PID 2204 wrote to memory of 2168 2204 ChromeCookie.exe 39 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 640 attrib.exe 2900 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\8a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa_Sigmanly.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2900
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:640
-
-
-
C:\Users\Admin\AppData\Local\Temp\ChromeCookies\ChromeCookie.exe"C:\Users\Admin\AppData\Local\Temp\ChromeCookies\ChromeCookie.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:2920
-
-
C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵PID:2924
-
-
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2168
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
251KB
MD557bd4f73690590693b5b921f29679410
SHA1c2cb47bf602541043589e979f21c3d7c1698e3ac
SHA2568a3de78cf177be4c37c1525becf05af336c1dc2a4d181cae79f6903754902efa
SHA51200b543644058a93f1c0a13e4d40b1c4e76f9581325f1773d79983761ca6903643e5a44717e7785b27a8fac2a6609c19032e3f412d3339e9cc5dc697791890318