Analysis
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max time kernel
101s -
max time network
109s -
platform
windows11-21h2_x64 -
resource
win11-20250410-en -
resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/04/2025, 20:56
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe
Resource
win11-20250410-en
General
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Target
JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe
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Size
2.1MB
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MD5
bfbd626689ff3e772a2f3d0cb856b3e7
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SHA1
2b5d188dd4bfe0782deadffced7cd625e0f1912e
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SHA256
cc559c0ec06055373bd5fbe8a7ba034507291248eb1e66a946c665fb68adb97f
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SHA512
608e97495ffbf80798e18f863ca00be4d32fec79cd2c0fbf3915ad7f93d7a93a6b7cb39ed2f52944b62ec18c010639685b1c2d8566d6d40554ccbfce6cdb7eb4
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SSDEEP
49152:skTgQLELdDvSlMLMvvddF2kwJye6TsHWSXI1AWYnEh:spQLyd4MLevckGVVHWOI1/yU
Malware Config
Extracted
darkcomet
Opfer
panzaknacka.hopto.org:1337
MAC-7UVFFZ6
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InstallPath
MSDCSC\sysdate.exe
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gencode
5KLmF0Xbpz15
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install
true
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offline_keylogger
true
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password
l0rn
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persistence
false
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reg_key
sysdate.exe
Signatures
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Darkcomet family
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 3 IoCs
resource yara_rule behavioral2/memory/1812-42-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral2/memory/1812-38-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral2/memory/1812-79-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer -
Isrstealer family
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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:\\Windows\\system32\\MSDCSC\\sysdate.exe" vbc.exe -
Detected Nirsoft tools 7 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4340-65-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral2/memory/4340-64-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral2/memory/4340-67-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral2/memory/4988-84-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/4384-82-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft behavioral2/memory/4988-77-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/4384-76-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4988-84-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/4988-77-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4340-65-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral2/memory/4340-64-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral2/memory/4340-67-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView -
Executes dropped EXE 1 IoCs
pid Process 5096 sysdate.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2627618461-2240074273-3604016983-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2627618461-2240074273-3604016983-1000\Software\Microsoft\Windows\CurrentVersion\Run\sysdate.exe = "C:\\Windows\\system32\\MSDCSC\\sysdate.exe" vbc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\MSDCSC\sysdate.exe vbc.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\ vbc.exe File created C:\Windows\SysWOW64\MSDCSC\sysdate.exe vbc.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 1424 set thread context of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 set thread context of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1812 set thread context of 6104 1812 vbc.exe 82 PID 6104 set thread context of 4340 6104 vbc.exe 87 PID 6104 set thread context of 4384 6104 vbc.exe 88 PID 6104 set thread context of 4988 6104 vbc.exe 89 -
resource yara_rule behavioral2/memory/2404-34-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/2404-36-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/2404-39-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/2404-40-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4384-68-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/4988-73-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/4988-71-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/4384-70-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/2404-37-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4988-84-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/4384-82-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/4988-77-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/4384-76-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/2404-85-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 4384 vbc.exe 4384 vbc.exe -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: SeDebugPrivilege 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe Token: SeIncreaseQuotaPrivilege 2404 vbc.exe Token: SeSecurityPrivilege 2404 vbc.exe Token: SeTakeOwnershipPrivilege 2404 vbc.exe Token: SeLoadDriverPrivilege 2404 vbc.exe Token: SeSystemProfilePrivilege 2404 vbc.exe Token: SeSystemtimePrivilege 2404 vbc.exe Token: SeProfSingleProcessPrivilege 2404 vbc.exe Token: SeIncBasePriorityPrivilege 2404 vbc.exe Token: SeCreatePagefilePrivilege 2404 vbc.exe Token: SeBackupPrivilege 2404 vbc.exe Token: SeRestorePrivilege 2404 vbc.exe Token: SeShutdownPrivilege 2404 vbc.exe Token: SeDebugPrivilege 2404 vbc.exe Token: SeSystemEnvironmentPrivilege 2404 vbc.exe Token: SeChangeNotifyPrivilege 2404 vbc.exe Token: SeRemoteShutdownPrivilege 2404 vbc.exe Token: SeUndockPrivilege 2404 vbc.exe Token: SeManageVolumePrivilege 2404 vbc.exe Token: SeImpersonatePrivilege 2404 vbc.exe Token: SeCreateGlobalPrivilege 2404 vbc.exe Token: 33 2404 vbc.exe Token: 34 2404 vbc.exe Token: 35 2404 vbc.exe Token: 36 2404 vbc.exe Token: SeDebugPrivilege 4384 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1812 vbc.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 1424 wrote to memory of 2760 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 78 PID 1424 wrote to memory of 2760 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 78 PID 1424 wrote to memory of 2760 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 78 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2404 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 79 PID 1424 wrote to memory of 2916 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 80 PID 1424 wrote to memory of 2916 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 80 PID 1424 wrote to memory of 2916 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 80 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1424 wrote to memory of 1812 1424 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 81 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 1812 wrote to memory of 6104 1812 vbc.exe 82 PID 2404 wrote to memory of 5096 2404 vbc.exe 85 PID 2404 wrote to memory of 5096 2404 vbc.exe 85 PID 2404 wrote to memory of 5096 2404 vbc.exe 85 PID 6104 wrote to memory of 4340 6104 vbc.exe 87 PID 6104 wrote to memory of 4340 6104 vbc.exe 87 PID 6104 wrote to memory of 4340 6104 vbc.exe 87 PID 6104 wrote to memory of 4340 6104 vbc.exe 87 PID 6104 wrote to memory of 4340 6104 vbc.exe 87 PID 6104 wrote to memory of 4384 6104 vbc.exe 88 PID 6104 wrote to memory of 4384 6104 vbc.exe 88 PID 6104 wrote to memory of 4384 6104 vbc.exe 88 PID 6104 wrote to memory of 4384 6104 vbc.exe 88 PID 6104 wrote to memory of 4384 6104 vbc.exe 88 PID 6104 wrote to memory of 4988 6104 vbc.exe 89 PID 6104 wrote to memory of 4988 6104 vbc.exe 89 PID 6104 wrote to memory of 4988 6104 vbc.exe 89 PID 6104 wrote to memory of 4988 6104 vbc.exe 89 PID 6104 wrote to memory of 4988 6104 vbc.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵PID:2760
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\SysWOW64\MSDCSC\sysdate.exe"C:\Windows\system32\MSDCSC\sysdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5096
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵PID:2916
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6104 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp4⤵
- System Location Discovery: System Language Discovery
PID:4340
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4384
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp4⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4988
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\MSDCSC\sysdate.exe1⤵PID:4704
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5c67110872ae3b9a230031b6c353fd9d5
SHA193c13b8b2cd60d5ac1afade2d73691328d25166d
SHA256d964bc9f883fa390acd51b8d8a6104c4fe4ba3e3630d4ff1a4a59ffd52b15f2e
SHA5123e2960d91d0c97cbbea76a41fdb5eb6487a5c45779ad44a2a39c5e5c9415f3aeacf9c98462f1db555f0e315cf2fc6b426a0b18b3f639068985f44f208f8c5072