Analysis Overview
SHA256
bdb1dc0d6bb4a1abe8c68df20f28a484c17fdc97f920d0a1285b245965e2bedf
Threat Level: Shows suspicious behavior
The file 041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Deletes itself
Executes dropped EXE
Reads system network configuration
Checks CPU configuration
Reads runtime system information
Writes file to tmp directory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-28 00:51
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-28 00:51
Reported
2024-07-29 11:29
Platform
ubuntu1804-amd64-20240729-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | /tmp/freeBSD | N/A |
| N/A | N/A | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | /tmp/freeBSD | /tmp/freeBSD | N/A |
| N/A | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a | N/A |
| N/A | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_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/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | N/A |
Reads system network configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/net/dev | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | N/A |
Reads runtime system information
| Description | Indicator | Process | Target |
| File opened for reading | /proc/stat | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | N/A |
| File opened for reading | /proc/filesystems | /bin/cp | N/A |
| File opened for reading | /proc/filesystems | /bin/cp | N/A |
| File opened for reading | /proc/filesystems | /bin/cp | N/A |
Writes file to tmp directory
| Description | Indicator | Process | Target |
| File opened for modification | /tmp/freeBSD | /bin/cp | N/A |
| File opened for modification | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a | /bin/cp | N/A |
| File opened for modification | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a | N/A |
| File opened for modification | /tmp/fake.cfg | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | N/A |
| File opened for modification | /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 | /bin/cp | N/A |
Processes
/tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118
[/tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118]
/bin/sh
[sh -c cp /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 /tmp/freeBSD]
/bin/cp
[cp /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 /tmp/freeBSD]
/bin/sh
[sh -c cp /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a]
/tmp/freeBSD
[/tmp/freeBSD /tmp/freeBSD 1]
/bin/cp
[cp /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118 /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a]
/tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a
[/tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118]
/tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118
/bin/sh
[sh -c cp /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118]
/bin/cp
[cp /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118a /tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 151.101.193.91:443 | tcp | |
| GB | 185.125.188.62:443 | tcp | |
| GB | 185.125.188.62:443 | tcp | |
| US | 151.101.193.91:443 | tcp | |
| CN | 121.40.85.20:10771 | tcp | |
| GB | 89.187.167.38:443 | tcp | |
| CN | 121.40.85.20:10771 | tcp |
Files
/tmp/freeBSD
| MD5 | 041f6a1b500fe2a6ed9dbea66c741bd6 |
| SHA1 | aab7f55d4e09b3fe17c27189736c391e62e88856 |
| SHA256 | bdb1dc0d6bb4a1abe8c68df20f28a484c17fdc97f920d0a1285b245965e2bedf |
| SHA512 | b0e90de75d1c9a85d6649890fad18030ad99c1cfa2f05f76e13c778756da10f47a64dbc7ca15a8737a89080059ed72d11427944208c3d4d34b521c6aac325c20 |
memory/1510-1-0x0000000008048000-0x00000000082b04dc-memory.dmp
/tmp/041f6a1b500fe2a6ed9dbea66c741bd6_JaffaCakes118
| MD5 | e81d759964abe7c10d478336a126b70b |
| SHA1 | 1699583f10309a0633e35fe86e693a0874206695 |
| SHA256 | 69069b25fcec9c1f4977df0790a56bf3db20265ef3c3f1615c5d48e35e9c9bda |
| SHA512 | 8990e4654f78178c0175f3f6a684e45a7b305e6b80da9d8219022a89d976fa46ce347da26695a6689405a9e496d092f0b0c03471fb7fa857e874b0530dfccc14 |
memory/1514-2-0x0000000008048000-0x00000000082b04dc-memory.dmp
memory/1517-3-0x0000000008048000-0x00000000082b04dc-memory.dmp