Analysis
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max time kernel
145s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
17/08/2024, 22:01
Behavioral task
behavioral1
Sample
a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe
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Size
49KB
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MD5
a44fc6444c1b503034516fa5c4ef2909
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SHA1
08158de321fd8439b024b71fb0fc5cc99f7a1679
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SHA256
a77de3ec7d27f91820debba4d0a8e960b7c805834d49381a4516ceab9c6a5a19
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SHA512
92a66a26e36e308af75b41d202be30c96f766b26bb65698cf482afe934429998ffe151c5b8dfc6601e6375d396b4d9a89639d525b4a47534d71e3e67edf58a78
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SSDEEP
768:bmSd/MdfrtKkM5fLwmm8hqzhZoVTLU0iV25G89vvm+i2Ac/ua5SlBqT:baFMzfLo8h4HoVTLm25Gc3m+i2Agylu
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2588 cmd.exe -
Executes dropped EXE 3 IoCs
pid Process 2780 i6g8xs.exe 2832 i6g8xs.exe 2980 i6g8xs.exe -
Loads dropped DLL 2 IoCs
pid Process 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2648-0-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2780-13-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/files/0x000c000000012284-9.dat upx behavioral1/memory/2648-29-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2832-33-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2780-36-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2832-38-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2832-50-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2780-52-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2980-60-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2780-63-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2980-64-0x0000000000400000-0x0000000000432000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\i6g8xs = "C:\\Users\\Admin\\AppData\\Roaming\\i6g8xs.exe" a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o" Rundll32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.app.log Rundll32.exe -
Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2200 sc.exe 2708 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 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 i6g8xs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language i6g8xs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language grpconv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language i6g8xs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language runonce.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 runonce.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz runonce.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main i6g8xs.exe Key created \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main i6g8xs.exe Key created \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main i6g8xs.exe -
Runs net.exe
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Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeRestorePrivilege 2864 Rundll32.exe Token: SeRestorePrivilege 2864 Rundll32.exe Token: SeRestorePrivilege 2864 Rundll32.exe Token: SeRestorePrivilege 2864 Rundll32.exe Token: SeRestorePrivilege 2864 Rundll32.exe Token: SeRestorePrivilege 2864 Rundll32.exe Token: SeRestorePrivilege 2864 Rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 2780 i6g8xs.exe 2780 i6g8xs.exe 2780 i6g8xs.exe 2832 i6g8xs.exe 2832 i6g8xs.exe 2832 i6g8xs.exe 2980 i6g8xs.exe 2980 i6g8xs.exe 2980 i6g8xs.exe -
Suspicious use of WriteProcessMemory 55 IoCs
description pid Process procid_target PID 2648 wrote to memory of 2660 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 32 PID 2648 wrote to memory of 2660 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 32 PID 2648 wrote to memory of 2660 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 32 PID 2648 wrote to memory of 2660 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 32 PID 2648 wrote to memory of 2200 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 33 PID 2648 wrote to memory of 2200 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 33 PID 2648 wrote to memory of 2200 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 33 PID 2648 wrote to memory of 2200 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 33 PID 2648 wrote to memory of 2052 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 35 PID 2648 wrote to memory of 2052 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 35 PID 2648 wrote to memory of 2052 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 35 PID 2648 wrote to memory of 2052 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 35 PID 2648 wrote to memory of 2708 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 36 PID 2648 wrote to memory of 2708 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 36 PID 2648 wrote to memory of 2708 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 36 PID 2648 wrote to memory of 2708 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 36 PID 2648 wrote to memory of 2780 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 39 PID 2648 wrote to memory of 2780 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 39 PID 2648 wrote to memory of 2780 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 39 PID 2648 wrote to memory of 2780 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 39 PID 2052 wrote to memory of 2892 2052 net.exe 41 PID 2052 wrote to memory of 2892 2052 net.exe 41 PID 2052 wrote to memory of 2892 2052 net.exe 41 PID 2052 wrote to memory of 2892 2052 net.exe 41 PID 2660 wrote to memory of 2952 2660 net.exe 42 PID 2660 wrote to memory of 2952 2660 net.exe 42 PID 2660 wrote to memory of 2952 2660 net.exe 42 PID 2660 wrote to memory of 2952 2660 net.exe 42 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2648 wrote to memory of 2864 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 43 PID 2864 wrote to memory of 2736 2864 Rundll32.exe 44 PID 2864 wrote to memory of 2736 2864 Rundll32.exe 44 PID 2864 wrote to memory of 2736 2864 Rundll32.exe 44 PID 2864 wrote to memory of 2736 2864 Rundll32.exe 44 PID 2648 wrote to memory of 2588 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 45 PID 2648 wrote to memory of 2588 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 45 PID 2648 wrote to memory of 2588 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 45 PID 2648 wrote to memory of 2588 2648 a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe 45 PID 2736 wrote to memory of 2116 2736 runonce.exe 47 PID 2736 wrote to memory of 2116 2736 runonce.exe 47 PID 2736 wrote to memory of 2116 2736 runonce.exe 47 PID 2736 wrote to memory of 2116 2736 runonce.exe 47 PID 2780 wrote to memory of 2832 2780 i6g8xs.exe 49 PID 2780 wrote to memory of 2832 2780 i6g8xs.exe 49 PID 2780 wrote to memory of 2832 2780 i6g8xs.exe 49 PID 2780 wrote to memory of 2832 2780 i6g8xs.exe 49 PID 2780 wrote to memory of 2980 2780 i6g8xs.exe 53 PID 2780 wrote to memory of 2980 2780 i6g8xs.exe 53 PID 2780 wrote to memory of 2980 2780 i6g8xs.exe 53 PID 2780 wrote to memory of 2980 2780 i6g8xs.exe 53
Processes
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C:\Users\Admin\AppData\Local\Temp\a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a44fc6444c1b503034516fa5c4ef2909_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\net.exenet.exe stop "Security Center"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Security Center"3⤵
- System Location Discovery: System Language Discovery
PID:2952
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C:\Windows\SysWOW64\sc.exesc config wscsvc start= DISABLED2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2200
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C:\Windows\SysWOW64\net.exenet.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"3⤵
- System Location Discovery: System Language Discovery
PID:2892
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C:\Windows\SysWOW64\sc.exesc config SharedAccess start= DISABLED2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2708
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C:\Users\Admin\AppData\Roaming\i6g8xs.exeC:\Users\Admin\AppData\Roaming\i6g8xs.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Users\Admin\AppData\Roaming\i6g8xs.exeC:\Users\Admin\AppData\Roaming\i6g8xs.exe -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⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2832
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C:\Users\Admin\AppData\Roaming\i6g8xs.exeC:\Users\Admin\AppData\Roaming\i6g8xs.exe -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⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2980
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C:\Windows\SysWOW64\Rundll32.exeRundll32.exe setupapi,InstallHinfSection DefaultInstall 128 C:\Users\Admin\AppData\Roaming\mdinstall.inf2⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\SysWOW64\runonce.exe"C:\Windows\system32\runonce.exe" -r3⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\grpconv.exe"C:\Windows\System32\grpconv.exe" -o4⤵
- System Location Discovery: System Language Discovery
PID:2116
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C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Roaming\92g93cj8.bat2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2588
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
218B
MD56ef695038257440f31be029ceb2dd9e2
SHA1dd926ea38d2c04b8d39529fa612bb4c22459408b
SHA2566ab322da72b51fd96b0d401147e47ed308baf913d8c663dbc69e154c160a9d86
SHA512edc1860d5a56e0e9f921bdce270074ef7e73a2bd8d7b26005612d31a2da02cd3e595abb53b49ae2aede6744da97af7006f61cd39a197c63d7108ad4194bfe623
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Filesize
49KB
MD5a44fc6444c1b503034516fa5c4ef2909
SHA108158de321fd8439b024b71fb0fc5cc99f7a1679
SHA256a77de3ec7d27f91820debba4d0a8e960b7c805834d49381a4516ceab9c6a5a19
SHA51292a66a26e36e308af75b41d202be30c96f766b26bb65698cf482afe934429998ffe151c5b8dfc6601e6375d396b4d9a89639d525b4a47534d71e3e67edf58a78
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Filesize
410B
MD53ccb3b743b0d79505a75476800c90737
SHA1b5670f123572972883655ef91c69ecc2be987a63
SHA2565d96bec9bc06fd8d7abc11efbb3cb263844ee0416910f63581dd7848b4e1d8dd
SHA51209b1cdd4393f515f7569fbccc3f63051823ed7292b6e572bc9a34e4389b727b2914b22118e874864ccb32ef63016b2abd6d84510fd46fdee712fd84be59c114e