Analysis Overview
SHA256
75f50f1d69302a02bae7ee9c9e1b2afa237200affda8b62a7f840cdd596b6e86
Threat Level: Likely malicious
The file a43ad61444e57136b15046b5c731fde9_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Downloads MZ/PE file
Loads dropped DLL
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 06:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 06:35
Reported
2024-06-13 06:37
Platform
win7-20240221-en
Max time kernel
140s
Max time network
122s
Command Line
Signatures
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NDBE4.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe | N/A |
Loads dropped DLL
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-NDBE4.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\is-NDBE4.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp
"C:\Users\Admin\AppData\Local\Temp\is-NDBE4.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp" /SL5="$30138,11231145,55296,C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe
"C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe"
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | post.securestudies.com | udp |
| US | 165.193.78.234:80 | post.securestudies.com | tcp |
| US | 165.193.78.234:80 | post.securestudies.com | tcp |
Files
memory/2420-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2420-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-NDBE4.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp
| MD5 | a2205490990f76f9a5fd985d96c5bdbc |
| SHA1 | 25493c0a75a89ddce3b948314dc3aa3eec2bb7f2 |
| SHA256 | 74636b6b7bd44ac2a239c89887376e6cc3841f571153fda124af966b1e29f00e |
| SHA512 | ca90f3acd3613a2956b1d57d400b11fb64e8c50a253a26d9e2c30bafe460734b351834153bd0f081490a8f769345b7226db490e99fbfa087b7a300b6bf802fe2 |
memory/2140-8-0x0000000000400000-0x00000000004BD000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\itdownload.dll
| MD5 | d82a429efd885ca0f324dd92afb6b7b8 |
| SHA1 | 86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea |
| SHA256 | b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3 |
| SHA512 | 5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df |
memory/2140-17-0x00000000008C0000-0x00000000008FC000-memory.dmp
memory/2420-20-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2140-22-0x00000000008C0000-0x00000000008FC000-memory.dmp
memory/2140-21-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-4RRHG.tmp\rkverify.exe
| MD5 | 11033fe49e144984b82ae16ce1221cd0 |
| SHA1 | 5cafb0702e89b7a0982e33e8a5c5d52d0e17a1c2 |
| SHA256 | 1fb9cb60b11165df3298dee55b59517e3ed15957b820b19b4ca0d8f9f2e20173 |
| SHA512 | 7eda789c95f11dea47189a6240fc791450fdf2496d26062824eb1d55581bbe8ed887a16c4e274f1ef86b8de27a582d39074e22f98129606f8e1a0300480a0bca |
\Users\Admin\AppData\Local\Temp\CSM4460.tmp
| MD5 | 3e7321e4314d8ed97fddc3836c7fc63a |
| SHA1 | b492e083afd5954bd93e99e9e7a93c08f73f170d |
| SHA256 | 1f81642142309f06861053f2e07e7457a09b5d433bf9fb8f5b5a892ec2fd2d38 |
| SHA512 | 4be51bc64f373014707310f69f427652b45c916f26ec10e2d4f5c5a9694584e4ea8ce637d15e3cc42289a67515e3641fd99025bc8aa11dd0bfcab321863cf0b9 |
memory/2140-40-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2140-43-0x00000000008C0000-0x00000000008FC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 06:35
Reported
2024-06-13 06:37
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4576 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp |
| PID 4576 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp |
| PID 4576 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp |
Processes
C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp
"C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp" /SL5="$60196,11231145,55296,C:\Users\Admin\AppData\Local\Temp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.exe"
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 | post.securestudies.com | udp |
| US | 8.8.8.8:53 | post.securestudies.com | udp |
| US | 8.8.8.8:53 | rkverify.securestudies.com | udp |
| US | 8.8.8.8:53 | rkverify.securestudies.com | udp |
Files
memory/4576-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4576-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-R8QN8.tmp\a43ad61444e57136b15046b5c731fde9_JaffaCakes118.tmp
| MD5 | a2205490990f76f9a5fd985d96c5bdbc |
| SHA1 | 25493c0a75a89ddce3b948314dc3aa3eec2bb7f2 |
| SHA256 | 74636b6b7bd44ac2a239c89887376e6cc3841f571153fda124af966b1e29f00e |
| SHA512 | ca90f3acd3613a2956b1d57d400b11fb64e8c50a253a26d9e2c30bafe460734b351834153bd0f081490a8f769345b7226db490e99fbfa087b7a300b6bf802fe2 |
memory/1984-6-0x0000000000400000-0x00000000004BD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-OTN6M.tmp\itdownload.dll
| MD5 | d82a429efd885ca0f324dd92afb6b7b8 |
| SHA1 | 86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea |
| SHA256 | b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3 |
| SHA512 | 5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df |
memory/1984-15-0x0000000003130000-0x000000000316C000-memory.dmp
memory/4576-17-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1984-18-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1984-19-0x0000000003130000-0x000000000316C000-memory.dmp
memory/1984-28-0x0000000003130000-0x000000000316C000-memory.dmp
memory/1984-30-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1984-31-0x0000000003130000-0x000000000316C000-memory.dmp