Analysis
-
max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 09:24
Static task
static1
Behavioral task
behavioral1
Sample
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe
Resource
win7-20240220-en
General
-
Target
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe
-
Size
732KB
-
MD5
f9ffef8cc5c3608c3b4b03f3ab3693a4
-
SHA1
f85e2745ce0f2f404d97236cd5a751f931e4a3ff
-
SHA256
e3211bb4471cb96576a110f6f81779acaa742d8a6732191bcec307c317dec612
-
SHA512
fa9d89cf9813db7ec65b6c5f266938ebe2653216cbf272e3095727e70a559f93292028f845161021c1ae85da691bbd764b2ea47ee8a19cc88cfdcb188f0deadb
-
SSDEEP
6144:/f9mhu3Ch4Wr5QlAFydXnzg8Ynu2NVwnxD6qmSMD05ceHo2qtOasCppppppbLLLE:/f9mk84Wr5XodXzgNu5nxDsS4GIps
Malware Config
Extracted
darkcomet
Guest16
steaminformation.no-ip.biz:1177
DC_MUTEX-DNU7BFF
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
1ALxCPeHcaCS
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
ChromeUpdater
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exedescription 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\\MSDCSC\\msdcsc.exe" f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid Process 5072 attrib.exe 4552 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid Process 2096 notepad.exe -
Executes dropped EXE 2 IoCs
Processes:
msdcsc.exemsdcsc.exepid Process 1020 msdcsc.exe 852 msdcsc.exe -
Processes:
resource yara_rule behavioral2/memory/2368-2-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/2368-4-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/2368-5-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/2368-7-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-78-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-80-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-81-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-83-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-84-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/2368-85-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-88-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-91-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-93-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-95-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-97-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/852-99-0x0000000000400000-0x00000000004E8000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exemsdcsc.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ChromeUpdater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ChromeUpdater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exemsdcsc.exedescription pid Process procid_target PID 3672 set thread context of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 1020 set thread context of 852 1020 msdcsc.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid Process 852 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exemsdcsc.exedescription pid Process Token: SeIncreaseQuotaPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeSecurityPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeSystemtimePrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeBackupPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeRestorePrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeShutdownPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeDebugPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeUndockPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeManageVolumePrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeImpersonatePrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: 33 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: 34 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: 35 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: 36 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 852 msdcsc.exe Token: SeSecurityPrivilege 852 msdcsc.exe Token: SeTakeOwnershipPrivilege 852 msdcsc.exe Token: SeLoadDriverPrivilege 852 msdcsc.exe Token: SeSystemProfilePrivilege 852 msdcsc.exe Token: SeSystemtimePrivilege 852 msdcsc.exe Token: SeProfSingleProcessPrivilege 852 msdcsc.exe Token: SeIncBasePriorityPrivilege 852 msdcsc.exe Token: SeCreatePagefilePrivilege 852 msdcsc.exe Token: SeBackupPrivilege 852 msdcsc.exe Token: SeRestorePrivilege 852 msdcsc.exe Token: SeShutdownPrivilege 852 msdcsc.exe Token: SeDebugPrivilege 852 msdcsc.exe Token: SeSystemEnvironmentPrivilege 852 msdcsc.exe Token: SeChangeNotifyPrivilege 852 msdcsc.exe Token: SeRemoteShutdownPrivilege 852 msdcsc.exe Token: SeUndockPrivilege 852 msdcsc.exe Token: SeManageVolumePrivilege 852 msdcsc.exe Token: SeImpersonatePrivilege 852 msdcsc.exe Token: SeCreateGlobalPrivilege 852 msdcsc.exe Token: 33 852 msdcsc.exe Token: 34 852 msdcsc.exe Token: 35 852 msdcsc.exe Token: 36 852 msdcsc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exemsdcsc.exemsdcsc.exepid Process 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 1020 msdcsc.exe 852 msdcsc.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exef9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.execmd.execmd.exemsdcsc.exemsdcsc.exedescription pid Process procid_target PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 3672 wrote to memory of 2368 3672 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 85 PID 2368 wrote to memory of 1716 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 92 PID 2368 wrote to memory of 1716 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 92 PID 2368 wrote to memory of 1716 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 92 PID 2368 wrote to memory of 4228 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 93 PID 2368 wrote to memory of 4228 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 93 PID 2368 wrote to memory of 4228 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 93 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 2368 wrote to memory of 2096 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 95 PID 4228 wrote to memory of 4552 4228 cmd.exe 97 PID 4228 wrote to memory of 4552 4228 cmd.exe 97 PID 4228 wrote to memory of 4552 4228 cmd.exe 97 PID 1716 wrote to memory of 5072 1716 cmd.exe 98 PID 1716 wrote to memory of 5072 1716 cmd.exe 98 PID 1716 wrote to memory of 5072 1716 cmd.exe 98 PID 2368 wrote to memory of 1020 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 99 PID 2368 wrote to memory of 1020 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 99 PID 2368 wrote to memory of 1020 2368 f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe 99 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 1020 wrote to memory of 852 1020 msdcsc.exe 100 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 PID 852 wrote to memory of 2648 852 msdcsc.exe 101 -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid Process 4552 attrib.exe 5072 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Users\Admin\AppData\Local\Temp\f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe" +s +h3⤵
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\f9ffef8cc5c3608c3b4b03f3ab3693a4_JaffaCakes118.exe" +s +h4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:5072
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4552
-
-
-
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- Deletes itself
PID:2096
-
-
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\SysWOW64\notepad.exenotepad5⤵PID:2648
-
-
-
-
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
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
732KB
MD5f9ffef8cc5c3608c3b4b03f3ab3693a4
SHA1f85e2745ce0f2f404d97236cd5a751f931e4a3ff
SHA256e3211bb4471cb96576a110f6f81779acaa742d8a6732191bcec307c317dec612
SHA512fa9d89cf9813db7ec65b6c5f266938ebe2653216cbf272e3095727e70a559f93292028f845161021c1ae85da691bbd764b2ea47ee8a19cc88cfdcb188f0deadb