Analysis Overview
SHA256
d5502cdec6ab7a35589ff99f639ecfe4d357883a010325dc5a84003cca6af1db
Threat Level: Shows suspicious behavior
The file 195afa00778885adca62389a57ad4aa5_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
VMProtect packed file
UPX packed file
Executes dropped EXE
Loads dropped DLL
Modifies WinLogon
Drops file in System32 directory
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 07:54
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 07:54
Reported
2024-06-28 07:57
Platform
win7-20240508-en
Max time kernel
120s
Max time network
123s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SfcDisable = "4294967197" | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\comres.dll.ocx | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
| File created | C:\Windows\SysWOW64\comres.dll.ocx | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
| File created | C:\Windows\SysWOW64\dbr06028.ttf | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\gbvgbv06.exe | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\gbvgbv06.exe | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\comres.dll | C:\Windows\SysWOW64\gbvgbv06.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe"
C:\Windows\SysWOW64\gbvgbv06.exe
C:\Windows\system32\gbvgbv06.exe C:\Windows\system32\dbr06028.ocx pfjaoidjglkajd C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe
C:\Windows\SysWOW64\gbvgbv06.exe
C:\Windows\system32\gbvgbv06.exe C:\Windows\system32\dbr99002.ocx pfjieaoidjglkajd
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
Network
Files
memory/1560-0-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1192-9-0x0000000002D50000-0x0000000002D51000-memory.dmp
\Windows\SysWOW64\gbvgbv06.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
memory/1560-17-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2956-23-0x0000000010000000-0x000000001001B000-memory.dmp
\Windows\SysWOW64\dbr06028.ocx
| MD5 | 1a4852e20594095946bc15088bcc92c5 |
| SHA1 | 25256ac97765e7ad6b73419d91542ab5c8df4139 |
| SHA256 | 008a0c27d8370c731f3412a691ddcbd5e56f4839d99309f5773a9318440ea0a2 |
| SHA512 | fcaefdec748bfe3b0170693e25475a49f76e8c0f80998f12352f4804b23150818764f06191fc96eb0cbe05d80c033b4e194f94e868e591c75f9adc6b3401ec7e |
C:\Windows\SysWOW64\dbr99002.ocx
| MD5 | a05e1fdf1ea6baf0c201bad85452f6a5 |
| SHA1 | 2c55a2a786fdcbcb9ab6c720472a1f3e91221ffe |
| SHA256 | 6d208f6576c7a5caaead5777e4e03ea25d7248d7f0e403edfb7fe3ec2569c13c |
| SHA512 | a31505d445677c69d981261f6124684b5ae0ee26c0104bff1bf27705ac3423e38accb25deecd5dc334391e47583f7f816a2872977dc6746a5c89783b178b8a25 |
C:\Windows\SysWOW64\dbr06028.ttf
| MD5 | 2b631f94c78ef76f896f270689dbccb8 |
| SHA1 | f4eae61b3186df807c72f21607ee1c4479e39b8f |
| SHA256 | 86c48b4eb5f6056b2b06c9594e275838695fc557a07fff0402383339bbaddc98 |
| SHA512 | 1970ac437bb7b288250c9b1a9d8827a120cda69f9ca936eb80ab819e4372ac3a2e1ec630532adf34f1d651f5fb0abd944fb476a143fcadc5acee72c53c4e1bfb |
memory/3012-29-0x00000000000C0000-0x00000000000DB000-memory.dmp
memory/3012-34-0x00000000000C0000-0x00000000000DB000-memory.dmp
memory/3012-33-0x0000000010000000-0x0000000010006000-memory.dmp
memory/2956-35-0x0000000010000000-0x000000001001B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 07:54
Reported
2024-06-28 07:57
Platform
win10v2004-20240611-en
Max time kernel
131s
Max time network
126s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\195afa00778885adca62389a57ad4aa5_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4308 -ip 4308
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 284
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4272,i,17949988676391029604,13756926835471203788,262144 --variations-seed-version --mojo-platform-channel-handle=4424 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/4308-0-0x0000000000400000-0x0000000000420000-memory.dmp