Analysis Overview
SHA256
4bccf3d04c1a8dbd6be13c07f42e9467f21b2e2d0a89134e4db55b3e924fbd6c
Threat Level: Shows suspicious behavior
The file 3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Executes dropped EXE
UPX packed file
Checks CPU configuration
Reads system network configuration
Reads runtime system information
Writes file to tmp directory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-29 06:50
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-29 06:50
Reported
2024-07-29 12:05
Platform
ubuntu2204-amd64-20240729-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | /tmp/freeBSD | N/A |
| N/A | N/A | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | /tmp/freeBSD | /tmp/freeBSD | N/A |
| N/A | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a | N/A |
| N/A | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | /tmp/3b5dc047c1aa2200136cce6490b9c912_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/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | N/A |
Reads system network configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/net/dev | /tmp/3b5dc047c1aa2200136cce6490b9c912_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/sys/kernel/version | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | N/A |
| File opened for reading | /proc/stat | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | N/A |
| File opened for reading | /proc/filesystems | /usr/bin/cp | 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/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a | N/A |
| File opened for modification | /tmp/fake.cfg | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | N/A |
| File opened for modification | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 | /usr/bin/cp | N/A |
| File opened for modification | /tmp/freeBSD | /usr/bin/cp | N/A |
| File opened for modification | /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a | /usr/bin/cp | N/A |
Processes
/tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118
[/tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118]
/bin/sh
[sh -c cp /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 /tmp/freeBSD]
/usr/bin/cp
[cp /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 /tmp/freeBSD]
/bin/sh
[sh -c cp /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a]
/tmp/freeBSD
[/tmp/freeBSD /tmp/freeBSD 1]
/usr/bin/cp
[cp /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118 /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a]
/tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a
[/tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118]
/tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118
/bin/sh
[sh -c cp /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118]
/usr/bin/cp
[cp /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118a /tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 198.13.96.38:10991 | tcp | |
| US | 198.13.96.38:10991 | tcp |
Files
/tmp/freeBSD
| MD5 | 3b5dc047c1aa2200136cce6490b9c912 |
| SHA1 | bd273b4aa47546d108119a45212bb96bbb216eb1 |
| SHA256 | 4bccf3d04c1a8dbd6be13c07f42e9467f21b2e2d0a89134e4db55b3e924fbd6c |
| SHA512 | f92c245beb9537fe1e4d9b6c09c3c7a62ae6b3ee5728189515fba07a0157c3a61a0dd922120bb4d77ce872e06193d12a126ca9ff48a9730093f2683889ccabe2 |
memory/1507-1-0x0000000008048000-0x00000000082a063c-memory.dmp
/tmp/3b5dc047c1aa2200136cce6490b9c912_JaffaCakes118
| MD5 | 2c87dc6553988b587e0755a1bd11d265 |
| SHA1 | 9e63beee5f714dd36ae867008e9cfd4022dd0e4e |
| SHA256 | 229ab234a460de38c88542c1a8f07e476f6680f4e3cd87c3143b5cb21942aba9 |
| SHA512 | 27a77bfd62f23f7a1c8fe8d95b56ebb1ab71b483d909f7c8a48b351d4ba4b93df2e3d568da49bf23fda992dfc983300146c2b64db10328cec2e55bbb42c965df |
memory/1510-2-0x0000000008048000-0x00000000082a063c-memory.dmp
memory/1513-3-0x0000000008048000-0x00000000082a063c-memory.dmp