Analysis Overview
SHA256
84b44a53ba71dc027aec0dfbe11533f54d319524b05df5821c38b9954dc79a48
Threat Level: Shows suspicious behavior
The file bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Deletes itself
Executes dropped EXE
Checks CPU configuration
Reads system network configuration
Writes file to tmp directory
Reads runtime system information
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-24 16:33
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-24 16:33
Reported
2024-08-24 16:36
Platform
ubuntu2204-amd64-20240611-en
Max time kernel
149s
Max time network
132s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | /tmp/freeBSD | N/A |
| N/A | N/A | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | /tmp/freeBSD | /tmp/freeBSD | N/A |
| N/A | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a | N/A |
| N/A | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks CPU configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/cpuinfo | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | N/A |
Reads system network configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/net/dev | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/filesystems | /usr/bin/cp | N/A |
| File opened for reading | /proc/filesystems | /usr/bin/cp | N/A |
| File opened for reading | /proc/sys/kernel/version | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | N/A |
| File opened for reading | /proc/stat | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | N/A |
| File opened for reading | /proc/filesystems | /usr/bin/cp | N/A |
Writes file to tmp directory
| Description | Indicator | Process | Target |
| File opened for modification | /tmp/freeBSD | /usr/bin/cp | N/A |
| File opened for modification | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a | /usr/bin/cp | N/A |
| File opened for modification | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a | N/A |
| File opened for modification | /tmp/fake.cfg | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | N/A |
| File opened for modification | /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 | /usr/bin/cp | N/A |
Processes
/tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118
[/tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118]
/bin/sh
[sh -c cp /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 /tmp/freeBSD]
/usr/bin/cp
[cp /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 /tmp/freeBSD]
/bin/sh
[sh -c cp /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a]
/tmp/freeBSD
[/tmp/freeBSD /tmp/freeBSD 1]
/usr/bin/cp
[cp /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118 /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a]
/tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a
[/tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118]
/tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118
/bin/sh
[sh -c cp /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118]
/usr/bin/cp
[cp /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118a /tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp |
Files
/tmp/freeBSD
| MD5 | bf00e5049ac0b147780a81db8a82ab56 |
| SHA1 | f4e9648dc0ff23919750fdf269b66c7583140810 |
| SHA256 | 84b44a53ba71dc027aec0dfbe11533f54d319524b05df5821c38b9954dc79a48 |
| SHA512 | 0e9c966e6dddf4c976098d22accd9291944f8149b0c11439f863216ff495602f9b098ea49ad4890c6f6b1c41680f0fb087ec708746cbed57789c913a78fee49a |
/tmp/bf00e5049ac0b147780a81db8a82ab56_JaffaCakes118
| MD5 | e48388930f3aadee740ee3dba168d61c |
| SHA1 | a9258eeb5116e53349118d0e2140379501968a99 |
| SHA256 | 5fc92e58681d436946dc36c0dcfe823f1a2bf5fffcd1f6289903caba3b9157dd |
| SHA512 | 359df77c4f917ecf0938665a7de74b6c666a29864e1e0f7bc180ea7efeeda7f3cba138d9bcd2bf53a71667c5985c40e216f6aedb7cd80d13517d12d99d0bb9db |
memory/1578-1-0x0000000008048000-0x00000000082a063c-memory.dmp
memory/1590-2-0x0000000008048000-0x00000000082a063c-memory.dmp
memory/1593-3-0x0000000008048000-0x00000000082a063c-memory.dmp