Analysis
-
max time kernel
104s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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
-
Target
JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe
-
Size
2.1MB
-
MD5
bfbd626689ff3e772a2f3d0cb856b3e7
-
SHA1
2b5d188dd4bfe0782deadffced7cd625e0f1912e
-
SHA256
cc559c0ec06055373bd5fbe8a7ba034507291248eb1e66a946c665fb68adb97f
-
SHA512
608e97495ffbf80798e18f863ca00be4d32fec79cd2c0fbf3915ad7f93d7a93a6b7cb39ed2f52944b62ec18c010639685b1c2d8566d6d40554ccbfce6cdb7eb4
-
SSDEEP
49152:skTgQLELdDvSlMLMvvddF2kwJye6TsHWSXI1AWYnEh:spQLyd4MLevckGVVHWOI1/yU
Malware Config
Extracted
darkcomet
Opfer
panzaknacka.hopto.org:1337
MAC-7UVFFZ6
-
InstallPath
MSDCSC\sysdate.exe
-
gencode
5KLmF0Xbpz15
-
install
true
-
offline_keylogger
true
-
password
l0rn
-
persistence
false
-
reg_key
sysdate.exe
Signatures
-
Darkcomet family
-
ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
-
ISR Stealer payload 4 IoCs
resource yara_rule behavioral1/memory/3716-41-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/3716-45-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/5704-52-0x0000000076F10000-0x0000000077000000-memory.dmp family_isrstealer behavioral1/memory/3716-92-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer -
Isrstealer 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:\\Windows\\system32\\MSDCSC\\sysdate.exe" vbc.exe -
Detected Nirsoft tools 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2164-60-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/2164-65-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/4100-72-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft behavioral1/memory/4100-76-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft behavioral1/memory/536-79-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/536-74-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/536-70-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/2164-58-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/536-79-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/536-74-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/536-70-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2164-60-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/2164-65-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/2164-58-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView -
Executes dropped EXE 1 IoCs
pid Process 2384 sysdate.exe -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\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-1-5-21-3975168204-1612096350-4002976354-1000\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 created C:\Windows\SysWOW64\MSDCSC\sysdate.exe vbc.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\sysdate.exe vbc.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\ vbc.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 5588 set thread context of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 set thread context of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 3716 set thread context of 6116 3716 vbc.exe 90 PID 6116 set thread context of 2164 6116 vbc.exe 92 PID 6116 set thread context of 4100 6116 vbc.exe 94 PID 6116 set thread context of 536 6116 vbc.exe 95 -
resource yara_rule behavioral1/memory/5704-38-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/5704-40-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/5704-44-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/5704-48-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/5704-49-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/4100-72-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/4100-76-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/536-79-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/536-74-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/4100-71-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/536-70-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/536-69-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/536-67-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/4100-61-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/5704-93-0x0000000000400000-0x00000000004B7000-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 vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysdate.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3716 vbc.exe 3716 vbc.exe 3716 vbc.exe 3716 vbc.exe 3716 vbc.exe 3716 vbc.exe 3716 vbc.exe 3716 vbc.exe 4100 vbc.exe 4100 vbc.exe -
Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: SeDebugPrivilege 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe Token: SeIncreaseQuotaPrivilege 5704 vbc.exe Token: SeSecurityPrivilege 5704 vbc.exe Token: SeTakeOwnershipPrivilege 5704 vbc.exe Token: SeLoadDriverPrivilege 5704 vbc.exe Token: SeSystemProfilePrivilege 5704 vbc.exe Token: SeSystemtimePrivilege 5704 vbc.exe Token: SeProfSingleProcessPrivilege 5704 vbc.exe Token: SeIncBasePriorityPrivilege 5704 vbc.exe Token: SeCreatePagefilePrivilege 5704 vbc.exe Token: SeBackupPrivilege 5704 vbc.exe Token: SeRestorePrivilege 5704 vbc.exe Token: SeShutdownPrivilege 5704 vbc.exe Token: SeDebugPrivilege 5704 vbc.exe Token: SeSystemEnvironmentPrivilege 5704 vbc.exe Token: SeChangeNotifyPrivilege 5704 vbc.exe Token: SeRemoteShutdownPrivilege 5704 vbc.exe Token: SeUndockPrivilege 5704 vbc.exe Token: SeManageVolumePrivilege 5704 vbc.exe Token: SeImpersonatePrivilege 5704 vbc.exe Token: SeCreateGlobalPrivilege 5704 vbc.exe Token: 33 5704 vbc.exe Token: 34 5704 vbc.exe Token: 35 5704 vbc.exe Token: 36 5704 vbc.exe Token: SeDebugPrivilege 4100 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3716 vbc.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 5588 wrote to memory of 4552 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 85 PID 5588 wrote to memory of 4552 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 85 PID 5588 wrote to memory of 4552 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 85 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5704 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 86 PID 5588 wrote to memory of 5964 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 87 PID 5588 wrote to memory of 5964 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 87 PID 5588 wrote to memory of 5964 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 87 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 5588 wrote to memory of 3716 5588 JaffaCakes118_bfbd626689ff3e772a2f3d0cb856b3e7.exe 88 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 3716 wrote to memory of 6116 3716 vbc.exe 90 PID 6116 wrote to memory of 2164 6116 vbc.exe 92 PID 6116 wrote to memory of 2164 6116 vbc.exe 92 PID 6116 wrote to memory of 2164 6116 vbc.exe 92 PID 6116 wrote to memory of 2164 6116 vbc.exe 92 PID 6116 wrote to memory of 2164 6116 vbc.exe 92 PID 6116 wrote to memory of 4100 6116 vbc.exe 94 PID 6116 wrote to memory of 4100 6116 vbc.exe 94 PID 6116 wrote to memory of 4100 6116 vbc.exe 94 PID 6116 wrote to memory of 4100 6116 vbc.exe 94 PID 6116 wrote to memory of 4100 6116 vbc.exe 94 PID 6116 wrote to memory of 536 6116 vbc.exe 95 PID 6116 wrote to memory of 536 6116 vbc.exe 95 PID 6116 wrote to memory of 536 6116 vbc.exe 95 PID 6116 wrote to memory of 536 6116 vbc.exe 95 PID 6116 wrote to memory of 536 6116 vbc.exe 95 PID 5704 wrote to memory of 2384 5704 vbc.exe 96 PID 5704 wrote to memory of 2384 5704 vbc.exe 96 PID 5704 wrote to memory of 2384 5704 vbc.exe 96
Processes
-
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:5588 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵PID:4552
-
-
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:5704 -
C:\Windows\SysWOW64\MSDCSC\sysdate.exe"C:\Windows\system32\MSDCSC\sysdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2384
-
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵PID:5964
-
-
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:3716 -
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:6116 -
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:2164
-
-
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:4100
-
-
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:536
-
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\MSDCSC\sysdate.exe1⤵PID:2076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34