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Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/09/2024, 20:54
Static task
static1
Behavioral task
behavioral1
Sample
ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe
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Size
244KB
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MD5
ee679e9bd72d8f41984738e6304d704b
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SHA1
9671b25bc313f326da3b5bc8f9f2b479b618c634
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SHA256
d36dff742f31494cfa367ca5386bc522bed1b48931dfead32b6bad895e366c0c
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SHA512
f370548f6ba05d45b81630be1f8c0524939a4fdf87b1804b8f0e667908b2bc54f3a5e86045fa139655d132b3dde4914bf0bc087ea484c25c97ccdccda2be9a14
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SSDEEP
6144:qM7BjzGVYibYEI73IL28HugLFte+VtY0:Z7RaYUYEILj8lXeW
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\3a6abd20\\X" Explorer.EXE -
Deletes itself 1 IoCs
pid Process 2124 explorer.exe -
Executes dropped EXE 2 IoCs
pid Process 1376 X 332 csrss.exe -
Loads dropped DLL 2 IoCs
pid Process 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1788 set thread context of 2124 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \registry\machine\Software\Classes\Interface\{6309c5e8-cf71-f152-4438-0838fc78b4dd} explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6309c5e8-cf71-f152-4438-0838fc78b4dd}\u = "15" explorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6309c5e8-cf71-f152-4438-0838fc78b4dd}\cid = "8458142092291097440" explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1376 X 2124 explorer.exe 2124 explorer.exe 2124 explorer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2124 explorer.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 332 csrss.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1788 wrote to memory of 2124 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 30 PID 1788 wrote to memory of 2124 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 30 PID 1788 wrote to memory of 2124 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 30 PID 1788 wrote to memory of 2124 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 30 PID 1788 wrote to memory of 2124 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 30 PID 1788 wrote to memory of 1376 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 31 PID 1788 wrote to memory of 1376 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 31 PID 1788 wrote to memory of 1376 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 31 PID 1788 wrote to memory of 1376 1788 ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe 31 PID 1376 wrote to memory of 1280 1376 X 21 PID 2124 wrote to memory of 332 2124 explorer.exe 2 PID 332 wrote to memory of 2784 332 csrss.exe 32 PID 332 wrote to memory of 2784 332 csrss.exe 32
Processes
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:332
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies WinLogon for persistence
PID:1280 -
C:\Users\Admin\AppData\Local\Temp\ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ee679e9bd72d8f41984738e6304d704b_JaffaCakes118.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\explorer.exe000000D4*3⤵
- Deletes itself
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
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C:\Users\Admin\AppData\Local\3a6abd20\X193.105.154.210:803⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1376
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C:\Windows\system32\wbem\WMIADAP.EXEwmiadap.exe /F /T /R1⤵PID:2784
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5740f95c1244cce52e321eb412b68276e
SHA10cef487ee8ccd385ea9f53181dac205f17c1a06b
SHA2568ca3aef82512fd4e7e4fa855415fb2a141f08c8aecaa8808b0b458977d21bb63
SHA512718ba426f219957b7619b912c417d54ce1b0102a2d682e1015677686358aae79d6477ab3d41dc73456943731ee59abafdf133dee742662d835d7a888e3255bfe
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Filesize
41KB
MD5686b479b0ee164cf1744a8be359ebb7d
SHA18615e8f967276a85110b198d575982a958581a07
SHA256fcfbb4c648649f4825b66504b261f912227ba32cbaabcadf4689020a83fb201b
SHA5127ed8022e2b09f232150b77fc3a25269365b624f19f0b50c46a4fdf744eeb23294c09c051452c4c9dbb34a274f1a0bfc54b3ff1987ec16ae2e54848e22a97ed64
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Filesize
31KB
MD5dafc4a53954b76c5db1d857e955f3805
SHA1a18fa0d38c6656b4398953e77e87eec3b0209ef3
SHA256c6c82dde145a2dd9d70b1b539b17571befb663fc4a9ca834ff2a140cc4ebaa0b
SHA512745e27a4f952e2492dbd12ced396be2c7dc78344ba415ad64b45920f95d7a282e30c7ad2da9266dc195c71e38019809e8183a705f9276c7d178de2f5ef34b633
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Filesize
2KB
MD5d8abcc5b2a2e07f84a5a54809f0b02b6
SHA149edaa5271b6dd99f4c5bfc2f22213d3f7005e41
SHA2569ac97d225cb62c17baae8c0dd3cb68e6703b03b13021cf4309009490e76f5ee2
SHA512705c985bd4348cbb974ce462e79c6339ec6ad8a90f2b07b5809a89c3a84724c392c90d11999dfe480c6cf95e9d403b2d08c9b01b3c580ac32897531b152cd59a