Analysis Overview
SHA256
1511b961af2df26097d353ea30e24acc5372af97c77dd510ed42a7526005535e
Threat Level: Shows suspicious behavior
The file cc85aa29aaefeb42659d1fea3a84bf91_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
2024-08-31 09:01
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-31 09:01
Reported
2024-08-31 09:04
Platform
ubuntu2004-amd64-20240611-en
Max time kernel
149s
Max time network
134s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | /tmp/freeBSD | N/A |
| N/A | N/A | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | /tmp/freeBSD | /tmp/freeBSD | N/A |
| N/A | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a | N/A |
| N/A | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_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/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 | N/A |
Reads system network configuration
| Description | Indicator | Process | Target |
| File opened for reading | /proc/net/dev | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_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/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 | N/A |
| File opened for reading | /proc/stat | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_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/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a | /usr/bin/cp | N/A |
| File opened for modification | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a | N/A |
| File opened for modification | /tmp/fake.cfg | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 | N/A |
| File opened for modification | /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 | /usr/bin/cp | N/A |
| File opened for modification | /tmp/freeBSD | /usr/bin/cp | N/A |
Processes
/tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118
[/tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118]
/bin/sh
[sh -c cp /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 /tmp/freeBSD]
/usr/bin/cp
[cp /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 /tmp/freeBSD]
/tmp/freeBSD
[/tmp/freeBSD /tmp/freeBSD 1]
/bin/sh
[sh -c cp /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a]
/usr/bin/cp
[cp /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118 /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a]
/tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a
[/tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118]
/tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118
/bin/sh
[sh -c cp /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118]
/usr/bin/cp
[cp /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118a /tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118]
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | connectivity-check.ubuntu.com | udp |
| US | 1.1.1.1:53 | connectivity-check.ubuntu.com | udp |
Files
/tmp/freeBSD
| MD5 | cc85aa29aaefeb42659d1fea3a84bf91 |
| SHA1 | cdaed4c668a6028337855f156556c311e0c3fc3e |
| SHA256 | 1511b961af2df26097d353ea30e24acc5372af97c77dd510ed42a7526005535e |
| SHA512 | 5ece883badd8f84e9be54d2b6303913243c3cda2d76e40bd8a60952743d5cb90437e600cdbb295ae2e751315e0b0ccbbd85b2c24b7475e7e720a54bd512d4200 |
memory/1404-1-0x0000000008048000-0x00000000082a063c-memory.dmp
/tmp/cc85aa29aaefeb42659d1fea3a84bf91_JaffaCakes118
| MD5 | 9cc45ca3218455a6d9fc20da1d7876e2 |
| SHA1 | 4122ab96334e9745a7f1b06c6d3da9048a9bdab4 |
| SHA256 | 08345e090465730e6b37c9c67b98d391880064db3e2d01d4adde4b113f276dc6 |
| SHA512 | c2a13b9b370ed401145200be47e60f89c0607d547e3b897c8751911ff1424da29ec3149d7fe07fcedba948f5392f39dfff7802a739933734249eb969db1422e7 |
memory/1410-2-0x0000000008048000-0x00000000082a063c-memory.dmp
memory/1413-3-0x0000000008048000-0x00000000082a063c-memory.dmp