Analysis Overview
SHA256
336a2648e0811ebd11a94bb59c5cd5ea06ff48485f734ce149a3f9f9a7e0c7f4
Threat Level: Known bad
The file b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Loads dropped DLL
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
NSIS installer
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-04 05:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral3
Detonation Overview
Submitted
2024-04-04 05:49
Reported
2024-04-04 05:51
Platform
win7-20240215-en
Max time kernel
145s
Max time network
118s
Command Line
Signatures
Formbook
Formbook payload
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2212 set thread context of 2988 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2988 set thread context of 1184 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
| PID 2988 set thread context of 1184 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
| PID 2544 set thread context of 1184 | N/A | C:\Windows\SysWOW64\explorer.exe | C:\Windows\Explorer.EXE |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pibyjvpg.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pibyjvpg.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pibyjvpg.dll,#1
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\rundll32.exe"
Network
Files
memory/2212-0-0x0000000074E00000-0x0000000074E0B000-memory.dmp
memory/2212-1-0x0000000074DF0000-0x0000000074DFB000-memory.dmp
memory/2212-2-0x0000000074E00000-0x0000000074E0B000-memory.dmp
memory/2212-3-0x0000000074DF0000-0x0000000074DFB000-memory.dmp
memory/2988-4-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2212-5-0x0000000074E00000-0x0000000074E07000-memory.dmp
memory/2212-6-0x0000000074DF0000-0x0000000074DFB000-memory.dmp
memory/2988-7-0x0000000001FF0000-0x00000000022F3000-memory.dmp
memory/2988-10-0x00000000001F0000-0x0000000000205000-memory.dmp
memory/2988-9-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1184-11-0x0000000004DB0000-0x0000000004EC5000-memory.dmp
memory/2988-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1184-15-0x0000000005010000-0x00000000050F2000-memory.dmp
memory/2988-14-0x00000000003B0000-0x00000000003C5000-memory.dmp
memory/2544-16-0x0000000000150000-0x00000000003D1000-memory.dmp
memory/2544-17-0x0000000000150000-0x00000000003D1000-memory.dmp
memory/2544-18-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2544-19-0x0000000002740000-0x0000000002A43000-memory.dmp
memory/2544-20-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2544-21-0x00000000024C0000-0x0000000002554000-memory.dmp
memory/1184-22-0x0000000005010000-0x00000000050F2000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-04-04 05:49
Reported
2024-04-04 05:51
Platform
win10v2004-20240226-en
Max time kernel
93s
Max time network
145s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1484 wrote to memory of 2744 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1484 wrote to memory of 2744 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1484 wrote to memory of 2744 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2744 wrote to memory of 4948 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2744 wrote to memory of 4948 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2744 wrote to memory of 4948 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pibyjvpg.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pibyjvpg.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pibyjvpg.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/2744-0-0x0000000075550000-0x000000007555B000-memory.dmp
memory/2744-1-0x0000000075550000-0x000000007555B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-04 05:49
Reported
2024-04-04 05:51
Platform
win7-20240221-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2960 set thread context of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nsd1FA2.tmp\pibyjvpg.dll
| MD5 | 7e38c9c4dae24727bfc89d6feba8cb3e |
| SHA1 | 53500d0d0b8921fe6690dbdd2009be6d9c06adc6 |
| SHA256 | 087ed293380602e60c32df98be8412bd73d32beba232bc255a6fb3edf46134ff |
| SHA512 | 835412fa1c001a1ec811a51be9afc361cea9ec8db8a85912bf7007b20f74b338323b59ac637a1cfc9afebdf57c6a441680c0707d15c13c7560eaacc94a56a985 |
memory/2960-7-0x0000000074E20000-0x0000000074E2B000-memory.dmp
memory/2800-9-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2960-10-0x0000000074E20000-0x0000000074E2B000-memory.dmp
memory/2800-12-0x0000000000730000-0x0000000000A33000-memory.dmp
memory/2800-14-0x0000000000730000-0x0000000000A33000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-04 05:49
Reported
2024-04-04 05:51
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5056 wrote to memory of 684 | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe |
| PID 5056 wrote to memory of 684 | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe |
| PID 5056 wrote to memory of 684 | N/A | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b16bb2a4fe3ee1b986926530169eeb44_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5056 -ip 5056
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 1000
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsf52E4.tmp\pibyjvpg.dll
| MD5 | 7e38c9c4dae24727bfc89d6feba8cb3e |
| SHA1 | 53500d0d0b8921fe6690dbdd2009be6d9c06adc6 |
| SHA256 | 087ed293380602e60c32df98be8412bd73d32beba232bc255a6fb3edf46134ff |
| SHA512 | 835412fa1c001a1ec811a51be9afc361cea9ec8db8a85912bf7007b20f74b338323b59ac637a1cfc9afebdf57c6a441680c0707d15c13c7560eaacc94a56a985 |
memory/5056-6-0x0000000074610000-0x000000007461B000-memory.dmp
memory/5056-9-0x0000000074610000-0x000000007461B000-memory.dmp