Analysis
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max time kernel
142s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 18:13
Static task
static1
Behavioral task
behavioral1
Sample
7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe
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Size
661KB
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MD5
7529fb772c0f2e35f2b3c5122c244008
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SHA1
c2e4244d7bb6e229a69abfaead1f6576a1b40192
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SHA256
a85391fa25854b0ffed98f30a91715cab3bcd83b78f23db677c354731f0f35da
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SHA512
2999bfd1467cddd8f17107bc6c68b42651a0564b57dae5c62544902b7fd8ba9b3414b03cec454204cad42526879b07366274f5b2f3a37ef5831fe1a03b4475b3
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SSDEEP
12288:Si2XBya63I5aRghWsx8N7H8GEDSgRYBF3Z4mxxF7z1aAs7wP0hHZ:SivB47jxouSg2BQmXFVk7wch
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2368 SERVER~1.EXE 4844 services.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\WINDOWS\system32\services.exe SERVER~1.EXE File opened for modification C:\Windows\WINDOWS\system32\services.exe SERVER~1.EXE File created C:\Windows\UNINSTAL.BAT SERVER~1.EXE -
Program crash 1 IoCs
pid pid_target Process procid_target 2116 2368 WerFault.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SERVER~1.EXE -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2368 SERVER~1.EXE Token: SeDebugPrivilege 4844 services.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4844 services.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4032 wrote to memory of 2368 4032 7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe 85 PID 4032 wrote to memory of 2368 4032 7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe 85 PID 4032 wrote to memory of 2368 4032 7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe 85 PID 4844 wrote to memory of 2720 4844 services.exe 91 PID 4844 wrote to memory of 2720 4844 services.exe 91 PID 4844 wrote to memory of 2720 4844 services.exe 91 PID 2368 wrote to memory of 1904 2368 SERVER~1.EXE 98 PID 2368 wrote to memory of 1904 2368 SERVER~1.EXE 98 PID 2368 wrote to memory of 1904 2368 SERVER~1.EXE 98
Processes
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C:\Users\Admin\AppData\Local\Temp\7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7529fb772c0f2e35f2b3c5122c244008_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 6723⤵
- Program crash
PID:2116
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\UNINSTAL.BAT3⤵
- System Location Discovery: System Language Discovery
PID:1904
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C:\Windows\WINDOWS\system32\services.exeC:\Windows\WINDOWS\system32\services.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\WINDOWS\SysWOW64\svchost.exeC:\WINDOWS\system32\svchost.exe2⤵PID:2720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2368 -ip 23681⤵PID:3552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
702KB
MD598e6e027943d7931a8a323f1919375c2
SHA167e0efc84e3751a13a17b24429e22ccd51cc3993
SHA2562b364cc1a1e464c476fbdf44ac1104567d381d2e9460318369b267ae5fc15cdb
SHA51212ca6be9fc19d0a6476a43106cfdb266f2ea77980d39033dbb2dd3929d917d81e4dc846465a421886fbe51298c792769154e469c6f78c5432f6e47ec047a09f0
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Filesize
160B
MD53d45d4b3ee925d6dba355cbc36e3f0b1
SHA11ec21e3d6b5617ee2753e8d72450d82a6ac5c07f
SHA256ddda21b66228f2562eae4638cb7e1b0b77a90aee765f08a40970dfee656510ec
SHA512c98d2a0306483dfde716b809f4d9d4543d432e554b3376b43d064f444f486784d0ece802e10419dd6ed38a0a58209de9e38330c0e0dd55032eefa86ca37596b7