Analysis Overview
SHA256
ffebc5c5b7c5fc2a886c829df7dc6d4728879db4047b043358d773e69158662d
Threat Level: Shows suspicious behavior
The file e614285504a5b9553533a4e01fd36a09_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 23:12
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 23:11
Reported
2024-04-07 23:14
Platform
win10v2004-20240226-en
Max time kernel
134s
Max time network
145s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| N/A | N/A | C:\Windows\bbk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| 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\\\"" | C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\bbk.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| File opened for modification | C:\Windows\bbk.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| File opened for modification | C:\Windows\bbk.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\bbk.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\bbk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
C:\Windows\bbk.exe
C:\Windows\bbk.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
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 --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| N/A | 127.0.0.1:8000 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| N/A | 127.0.0.1:8000 | tcp | |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| DE | 142.250.185.202:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 202.185.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:8000 | tcp | |
| N/A | 127.0.0.1:8000 | tcp |
Files
memory/4568-0-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/4568-1-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/4568-2-0x0000000000AA0000-0x0000000000AF4000-memory.dmp
memory/4568-4-0x0000000000460000-0x0000000000461000-memory.dmp
memory/4568-3-0x00000000030B0000-0x00000000030B3000-memory.dmp
memory/4568-5-0x0000000000450000-0x0000000000451000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
| MD5 | 3a29fb5eff55ab7e5e21edaed4371f65 |
| SHA1 | 5c13222ec388d4b309c568758663c69dc0c6edc5 |
| SHA256 | 8eca9538eae94da940b7feea20275475f235249eb6fc58195de15bac82fa88f2 |
| SHA512 | 50e9df8b2fba6e978e98c3a44e4be5cf2ca0f14424d494fccf41e558be61505474a44abac73b2b822747289f524bb60573fbf509d4519b0c1fb51dece74d4cf8 |
memory/1812-11-0x0000000000400000-0x0000000000552000-memory.dmp
memory/1812-12-0x00000000006E0000-0x00000000006E1000-memory.dmp
memory/1812-15-0x0000000000740000-0x0000000000741000-memory.dmp
memory/3136-18-0x0000000000400000-0x0000000000552000-memory.dmp
memory/4568-19-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3136-20-0x00000000008B0000-0x00000000008B1000-memory.dmp
memory/3136-21-0x00000000008D0000-0x00000000008D1000-memory.dmp
memory/1812-22-0x0000000000400000-0x0000000000552000-memory.dmp
memory/4568-24-0x0000000000AA0000-0x0000000000AF4000-memory.dmp
memory/4548-25-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/4548-26-0x0000000000830000-0x0000000000831000-memory.dmp
memory/4548-27-0x0000000000400000-0x0000000000552000-memory.dmp
memory/4568-28-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/4568-29-0x0000000000AA0000-0x0000000000AF4000-memory.dmp
memory/3136-30-0x0000000000400000-0x0000000000552000-memory.dmp
memory/3136-31-0x00000000008B0000-0x00000000008B1000-memory.dmp
memory/3136-32-0x00000000008D0000-0x00000000008D1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 23:11
Reported
2024-04-07 23:14
Platform
win7-20240221-en
Max time kernel
144s
Max time network
122s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| N/A | N/A | C:\Windows\bbk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| 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\\\"" | C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\bbk.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| File opened for modification | C:\Windows\bbk.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| File opened for modification | C:\Windows\bbk.exe | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\bbk.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\bbk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e614285504a5b9553533a4e01fd36a09_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
C:\Windows\bbk.exe
C:\Windows\bbk.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:8000 | tcp | |
| N/A | 127.0.0.1:8000 | tcp | |
| N/A | 127.0.0.1:8000 | tcp | |
| N/A | 127.0.0.1:8000 | tcp |
Files
memory/1504-1-0x0000000000750000-0x00000000007F9000-memory.dmp
memory/1504-0-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/1504-4-0x0000000003260000-0x0000000003263000-memory.dmp
memory/1504-3-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/1504-2-0x00000000003C0000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a.exe
| MD5 | 3a29fb5eff55ab7e5e21edaed4371f65 |
| SHA1 | 5c13222ec388d4b309c568758663c69dc0c6edc5 |
| SHA256 | 8eca9538eae94da940b7feea20275475f235249eb6fc58195de15bac82fa88f2 |
| SHA512 | 50e9df8b2fba6e978e98c3a44e4be5cf2ca0f14424d494fccf41e558be61505474a44abac73b2b822747289f524bb60573fbf509d4519b0c1fb51dece74d4cf8 |
memory/2928-17-0x0000000000B80000-0x0000000000CD2000-memory.dmp
memory/1504-13-0x0000000004020000-0x0000000004172000-memory.dmp
memory/2928-18-0x0000000000400000-0x0000000000552000-memory.dmp
memory/2780-22-0x0000000000400000-0x0000000000552000-memory.dmp
memory/2780-23-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2928-25-0x0000000000400000-0x0000000000552000-memory.dmp
memory/2664-31-0x0000000000400000-0x0000000000552000-memory.dmp
memory/1504-28-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/2664-32-0x0000000000400000-0x0000000000552000-memory.dmp
memory/2664-34-0x0000000000D50000-0x0000000000EA2000-memory.dmp
memory/1504-33-0x00000000003C0000-0x0000000000414000-memory.dmp
memory/2664-35-0x0000000000400000-0x0000000000552000-memory.dmp
memory/1504-36-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/1504-37-0x00000000003C0000-0x0000000000414000-memory.dmp
memory/2780-38-0x0000000000400000-0x0000000000552000-memory.dmp
memory/2780-39-0x0000000000240000-0x0000000000241000-memory.dmp